Myopia lighting system, myopia lighting device and method for controlling the same

Abstract

The present application provides a myopia lighting system, a myopia lighting facility, and a method for controlling the same. The myopia lighting system comprises a broadband spectrum light source that emits broadband spectrum light; and a projection system that projects the broadband spectrum light onto a user's eye area. By using a broadband spectrum light source, irradiation safety can be increased, and the risk of irritating the fundus due to high power can be avoided.

Description

Technology Field

[0001] Cross-reference of related applications

[0002] The present application claims priority to a Chinese patent application filed on January 26, 2024, with application number 202420201949.7 and title "Myopia Lighting System," and a Chinese patent application filed on April 16, 2024, with application number 202410456292.3 and title "Myopia Lighting System, Myopia Lighting Device and Method for Controlling the Same."

[0003] This application generally relates to the technical field of myopia prevention and control devices. More specifically, this application relates to a myopia lighting system, a myopia lighting device, and a method for controlling the same. Background Technology

[0004] Ocular axis growth is one of the major factors contributing to myopia in humans, and is a primary cause of myopia, particularly in adolescents during periods of rapid growth. Research indicates that shining long-wavelength red light at 650 nm directly onto the retina can effectively inhibit the growth of the ocular axis. Furthermore, shining light of a specific wavelength onto the retina with appropriate power and duration promotes choroidal blood flow beneath the retina and improves hypoxic conditions within the choroid; this ultimately leads to choroidal thickening, thereby preventing, controlling, and improving myopia. Therefore, shining light of a specific wavelength onto the retina has an active effect on the prevention and control of myopia in adolescents.

[0005] Conventional red light therapy devices typically use red light source laser diodes (LDs). Because LDs possess characteristics such as monochromaticity, coherence, directionality, and parallelism, there is a risk of causing strong irritation to the fundus when people use red light therapy devices. Furthermore, the use of LDs causes wavelength shifting, making it impossible to project light of the expected wavelength onto the fundus. Additionally, when a person looks directly at the light source or at the light spot on the fundus after lens adjustment, the eye directs the fovea towards the light source itself. This causes the energy of the light spot to concentrate on the fovea of ​​the macula—the most light-sensitive location—which strongly stimulates the user's eye and may potentially cause retinal damage. The problem to be solved

[0006] In light of this, it is desirable to provide a new myopia illumination system that effectively controls the light rays and / or light spots intended to be projected onto the fundus and avoids the risk of high-power stimulation to the fundus. Additionally, it is desirable to effectively control the wavelength of light projected onto the fundus. means of solving the problem

[0007] To solve at least one or more of the technical problems mentioned above, the present application provides a myopic lighting system.

[0008] In a first aspect, the present application provides a myopia lighting system, wherein the myopia lighting system comprises: a broadband spectrum light source emitting broadband spectrum light; and a projection system for projecting the broadband spectrum light onto a user's eye area.

[0009] In some embodiments, the myopia lighting system further includes a beam shaping system that shapes the broadband spectrum beam to form a ring-shaped beam; and the projection system projects the ring-shaped beam onto the user's eye area to form a ring-shaped light spot.

[0010] In some embodiments, the beam forming system comprises a substrate, the substrate comprises a ring-shaped light-emitting portion and an opaque portion located at the center of the ring-shaped light-emitting portion; or the beam forming system comprises a spectrum forming machine, the spectrum forming machine comprises a ring-shaped light-emitting portion and an opaque portion located at the center of the ring-shaped light-emitting portion.

[0011] In some embodiments, the myopia lighting system further includes a target system that generates a beam of light of a target pattern and projects it onto the user's eye area along with a ring-shaped beam.

[0012] In some embodiments, the target system includes a target emitter installed in the spectrum shaper of the beam forming system, positioned at the center of the opaque part of the spectrum shaper, and transmitting a portion of the broadband spectrum light to form an annular light with a target pattern at the center.

[0013] In some embodiments, the target system includes a target light source and a beam splitter, the output light path of the target light source overlaps with the first light path of the beam splitter, and the second light path of the beam splitter overlaps with the propagation light path of the ring-shaped light; the first light path is one of a reflected light path and a projected light path, and the second light path is the other of the reflected light path and the projected light path that is distinct from the first light path, and the position where the target light output by the target light source is projected onto the user's eye area is at the center of the ring-shaped light spot.

[0014] In some embodiments, the myopia lighting system includes at least one of features (1) to (3). (1) The material of the ring-shaped light-transmitting part is one of glass, crystal, plastic, or resin. (2) The material of the opaque part is an opaque material. (3) The opaque part has the same material as the ring-shaped light-transmitting part and is opaque.

[0015] In some embodiments, the opaque part comprises black acrylic; or the opaque treatment comprises sandblasting, painting, or attachment of a black dot ring-shaped light-transmitting film.

[0016] In some embodiments, the size of the ring-shaped light spot satisfies any one of the following. The ring width k of the ring-shaped light spot is 0.0038 mm to 3 mm, and the distance r1 from the center of the light spot to the ring centerline is 0.0038 mm to 3 mm. The inner diameter of the ring-shaped light spot is 0.0076 mm to 6 mm. The inner diameter d1 of the ring-shaped light spot is 1.5 mm and the outer diameter d2 is 2.5 mm. The inner diameter d1 of the ring-shaped light spot is 2.5 mm and the outer diameter d2 is 5.5 mm; or the inner diameter d1 of the ring-shaped light spot is 1.5 mm and the outer diameter d2 is 5.5 mm.

[0017] In some embodiments, the spectral range of the broadband spectrum light source is a spectral range that covers any spectral cutoff width within the range of 300 nm to 700 nm.

[0018] In some embodiments, the broadband spectrum light source is at least one of an LED lamp, an incandescent lamp, and a fluorescent lamp.

[0019] In some embodiments, the myopia lighting system further includes a spectrum shaping system that shapes the spectrum of broadband spectrum light rays to form a light ray having a specified spectrum, and the projection system projects the light ray of the specified spectrum onto the user's eye area.

[0020] In some embodiments, the spectrum forming system comprises one or more spectrum forming machines, and one or more spectrum ranges of the spectrum forming machines satisfy any one of the following: a spectrum cutoff width of 5 nm to 60 nm and a center wavelength selected from the wavelength ranges of 360 nm to 400 nm and 640 nm to 700 nm; a low-pass cutoff range of about 640 nm to 660 nm and a high-pass cutoff range of about 670 nm to 700 nm; or a low-pass cutoff range of about 360 nm to 375 nm and a high-pass cutoff range of about 385 nm to 400 nm.

[0021] In some embodiments, the spectrum shaping device comprises one or more of the following, or a combination thereof: an optical filter; a transmission type diffraction grating filter; a reflection type diffraction grating filter; a prism; a lens; a liquid crystal spectrum transmissive plate; and a spectrum absorber.

[0022] In some embodiments, the spectral characteristics of the spectrum shaper include one of a high-pass, low-pass, band-pass, or multi-band-pass.

[0023] In some embodiments, the myopia lighting system further includes a color temperature controller that controls the color temperature of a light beam projected onto the user's fundus by transmitting a light beam having a specified color temperature range. Preferably, the color temperature controller is a warm color-transmitting plate, and the specified color temperature range is about 3500K-5000K.

[0024] In some embodiments, the myopia lighting system further includes a chromatic plate, the smooth side of the chromatic plate faces a broadband spectrum light source, and the rough side of the chromatic plate faces the user's eye area.

[0025] In some embodiments, the distance from the equalizer to the broadband spectrum light source is 0mm to 1mm.

[0026] In some embodiments, the myopia lighting system further includes a power monitor that monitors the emission power of a broadband spectrum light source and controls it within a predetermined range.

[0027] In some embodiments, the power monitor receives a light beam emitted from a broadband spectrum light source and reflected by the smooth surface of a chromatic plate to enable monitoring.

[0028] In some embodiments, the predetermined range is 0.1mW-1W.

[0029] In some embodiments, the projection system comprises a first aperture, an illumination lens, a second aperture, and a projection lens arranged sequentially along an optical path, wherein the second aperture is in close contact with the illumination lens, the first aperture is optically conjugated with an ocular surface position of the user's eye area, and the second aperture is optically conjugated with a fundus light spot of the user's eye area, and the ocular power of the myopia illumination system is determined based on one or more of the light beam waist size at the ocular surface position, the size of the fundus light spot, and the emission power of a broadband spectrum light source.

[0030] In some embodiments, in a myopic illumination system, if the beam waist diameter does not exceed a specified threshold, the oral power is equal to the emission power of a broadband spectrum light source; or if the beam waist diameter is greater than a specified threshold, the oral power is determined based on the power distribution of the emission power of the broadband spectrum light source and the size of the fundus light spot.

[0031] In some embodiments, the specified threshold is 2.5 mm ± 0.5 mm.

[0032] In a second aspect, the present application provides a myopic lighting device, and said myopic lighting device includes any myopic lighting system of the first aspect.

[0033] In some embodiments, the inner diameter of the ring-shaped light spot output by the myopia lighting system is adjusted based on measurement data of the user's eye area.

[0034] In some embodiments, the myopia lighting device further includes a power controller, the power controller communicates with an external eye area measuring device and acquires measurement data of the user's eye area, and based thereon controls the emission power of the broadband spectrum light source to one of a specified emission power or a plurality of preset emission powers, and updates the specified emission power or preset emission power.

[0035] In some embodiments, the myopia illumination device further comprises a left eye lens tube and a right eye lens tube, and a myopia illumination system is installed in each of the left eye lens tube and the right eye lens tube, and the left eye lens tube and the right eye lens tube are connected by a spacing adjuster, and the spacing adjuster adjusts the distance between the left eye lens tube and the right eye lens tube to match different interpupillary distances.

[0036] In some embodiments, the myopia lighting device further includes an interval controller, the interval controller is connected to an interval adjuster, and controls the interval controller to adjust to a specified step or to perform a cyclic movement according to a preset mode.

[0037] In some embodiments, at least one of the left eye lens tube and the right eye lens tube is equipped with a 3D camera device that collects the user's pupil information.

[0038] In some embodiments, the myopia lighting device further includes an optical axis controller and a mechanical adjuster; the optical axis controller is connected to the mechanical adjuster and the 3D camera device, respectively, and adjusts the axis of the optical path of the myopia lighting system by controlling the mechanical adjuster based on pupil information.

[0039] In some embodiments, the myopia illumination device further includes a forming controller; the forming controller is connected to a 3D camera device and a beam forming system, respectively, and controls the beam forming system based on pupil information to form a ring-shaped light beam eyeball incident beam waist diameter that matches the pupil size.

[0040] In some embodiments, device data of the myopia lighting device is managed integrally by a device management platform, and the myopia lighting device and the device management platform exchange data via wireless communication.

[0041] In some embodiments, the housing of the myopia lighting device is equipped with a vibration motor that operates when the myopia lighting system is running.

[0042] In a third aspect, the present application provides a method for controlling a myopia illumination device, wherein the myopia illumination device comprises a broadband spectrum light source, a beam shaping system, a projection system, and a shaping controller, wherein a broadband spectrum light emitted by the broadband spectrum light source is shaped through the beam shaping system, and the shaped ring-shaped light is projected onto a user's eye area through the projection system to form a ring-shaped light spot; wherein the shaping controller executes the following control method, and the control method comprises: a step of acquiring measurement data of a user's eye area; a step of determining the diameter of the user's central macula based on the measurement data; and a step of controlling the beam shaping system to shape the broadband spectrum light into a designated ring-shaped light—the inner diameter of the designated ring-shaped light matches the diameter of the user's central macula.

[0043] In some embodiments, the myopia lighting device further comprises a power controller, and after acquiring measurement data of a user's eye area, the power controller also executes the following control method, wherein the control method comprises: a step of controlling the emission power of a broadband spectrum light source based on the measurement data to become one of a specified emission power or a plurality of preset emission powers; and a step of updating the specified emission power or preset emission power based on the measurement data, wherein the measurement data includes measurement data acquired over a plurality of cycles; at least one of these steps.

[0044] In some embodiments, the myopia illumination device further comprises a left eye lens tube, a right eye lens tube, a gap adjuster and a gap controller installed between the left eye lens tube and the right eye lens tube; the gap controller also executes the following control method, said control method comprising the step of controlling the gap adjuster based on the user's interpupillary distance to adjust to a specified step or to perform a cyclic movement according to a preset pattern.

[0045] In some embodiments, the myopia lighting device further comprises a mechanical adjuster and an optical axis controller for adjusting the axis of the optical path of the myopia lighting system; the optical axis controller also executes the following control method, said control method comprising the step of adjusting the axis of the optical path of the myopia lighting system by controlling the mechanical adjuster based on the user's pupil information, thereby adjusting the axis of the optical path of the myopia lighting system so that it aligns with the center of the user's pupil.

[0046] In some embodiments, the myopia illumination device further includes a target system for generating a beam of light of a target pattern to be projected onto the user's eye area along with a ring-shaped beam; and the optical axis controller also executes the following control method, said control method including the step of adjusting the direction of the beam of the target pattern by controlling a mechanical adjuster based on the user's pupil information so as to align with the center of the user's pupil.

[0047] In some embodiments, the target system includes a target light source and a beam splitter, the output light path of the target light source overlaps with the first light path of the beam splitter, and the second light path of the beam splitter overlaps with the propagation light path of a ring-shaped light beam; the optical axis controller also executes the following control method, the control method including the step of controlling a mechanical adjuster based on the user's pupil information to adjust one or more parameters among the position of the target light source, the position of the beam splitter, and the angle of the beam splitter.

[0048] In some embodiments, the myopia illumination device further comprises a left eye lens tube and a right eye lens tube, and a myopia illumination system is installed in each of the left eye lens tube and the right eye lens tube; after acquiring measurement data of the user's eye area, the following control method is further executed, wherein the control method comprises at least one of the steps of: controlling and operating one or both of the myopia illumination systems in the left eye lens tube and the right eye lens tube based on the measurement data; controlling the operating period of the myopia illumination systems in the left eye lens tube and the right eye lens tube respectively based on the measurement data; and controlling the emission power of the myopia illumination systems in the left eye lens tube and the right eye lens tube respectively based on the measurement data, and the measurement data includes at least one of the myopia degree of both eyes of the user and ocular axis information. Effects of the invention

[0049] The myopia lighting system provided above can enhance irradiation safety and avoid the risk of high output irritating the fundus by using a broadband spectrum light source. In some embodiments, a beam forming system can shape a broadband spectrum beam to irradiate a ring-shaped light spot onto the eye area, thereby avoiding the location of the central fovea of ​​the eye and enhancing irradiation safety. In some embodiments, by designing the size of the ring-shaped light spot, it can be tailored to the size of the human pupil and the center of the macula, thereby increasing lighting efficiency. Furthermore, in some embodiments, the broadband spectrum light source can be at least one of an LED, an incandescent, or a fluorescent lamp, thereby enhancing safety and effectiveness for the human eye. Additionally, in some embodiments, by shaping the broadband spectrum light using a spectrum forming system, light within a selected wavelength range can be irradiated to the fundus, thereby achieving the expected effect. Brief explanation of the drawing

[0050] Reading the detailed description below with reference to the drawings makes it easier to understand the purposes, features, and advantages of the exemplary embodiments of the present application, as well as other purposes and features. Although several embodiments of the present application are shown illustratively in the drawings, they are not limiting, and identical or corresponding reference numerals indicate identical or corresponding parts. FIG. 1 shows an exemplary structural diagram of a myopia lighting system according to some embodiments of the present application. FIG. 2 is an exemplary implementation of a beam forming machine according to some embodiments of the present application. Figure 3 is a distribution map showing different tissue regions of the fundus. FIG. 4 is a schematic diagram of a ring-shaped light spot according to some embodiment of the present application. FIG. 5 is a schematic diagram of a ring-shaped light spot with a target pattern according to some embodiment of the present application. FIG. 6 is an exemplary structural diagram of a myopia lighting system according to some embodiments of the present application. FIG. 7 is an exemplary structural diagram of a myopia lighting system according to some other embodiments of the present application. Figure 8a shows a spectrum shaper implemented using an optical filter. FIG. 8b shows a spectrum shaper implemented using a transmission diffraction grating filter. FIG. 8c shows a spectrum shaper implemented using a reflective diffraction grating filter. FIG. 9 is a schematic diagram of a spectrum forming machine according to some embodiments of the present application. FIG. 10 is an exemplary embodiment showing a spectrum forming system comprising a plurality of spectrum forming machines according to some other embodiments of the present application. FIG. 11 is a schematic diagram illustrating spectrum forming of a spectrum forming machine according to some other embodiments of the present application. FIG. 12 is an exemplary structural diagram of a myopia lighting system according to some other embodiments of the present application. FIG. 13a is a schematic diagram of a light beam waist according to some embodiments of the present application. FIG. 13b is a schematic diagram of a light beam waist according to some other embodiments of the present application. FIG. 14 is a schematic diagram of the structure of a myopia lighting device according to some embodiment of the present application. FIG. 15 is a schematic diagram comparing the power distribution before and after the operation of a vibration motor according to some embodiments of the present application. FIG. 16 is an exemplary flowchart of a control method for a myopia lighting device according to some embodiments of the present application. FIG. 17 is an exemplary flowchart of a control method for a myopia lighting device according to some other embodiments of the present application. Specific details for implementing the invention

[0051] Hereinafter, together with the drawings in the embodiments of this application, the technical design according to the embodiments of this application is described clearly and completely. Clearly, the described embodiments are merely some embodiments of this application and are not all embodiments. All other embodiments that a person skilled in the art can obtain without creative process based on the embodiments of this application are also within the scope of protection of this application.

[0052] It is understood that the terms “include” and “comprehensively” as used in the specification and claims of this application indicate the presence of the described features, whole, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more features, whole, steps, operations, elements, components, and / or sets thereof.

[0053] It is understood that the terms used in the specification of this application are intended to describe specific embodiments and are not intended to limit this application. As used in the specification and claims of this application, the singular forms “one,” “some,” and “corresponding” are to include the plural forms unless otherwise clearly indicated in the context. Furthermore, the term “and / or” used in the specification and claims of this application means any combination of one or more of the related enumerated items and all possible combinations, and includes such combinations.

[0054] Specific embodiments of the present application are described in detail below together with the drawings.

[0055] To avoid the risks associated with laser diodes (LDs), embodiments of this disclosure use a broad-spectral light source instead of a narrow-spectral LD, thereby reducing the risk of high possible outputs irritating the retina of the eye. Specifically, this application provides a myopia illumination system comprising a broad-spectral light source emitting broad-spectral light and a projection system that projects the light onto the user's eye area. Based on this basic myopia illumination system, this disclosure provides various embodiments to further optimize the function and effect of the system.

[0056] FIG. 1 shows an exemplary structural diagram of a myopia lighting system (100) according to some embodiments of the present application. As shown in FIG. 1, the myopia lighting system (100) may include a broadband spectrum light source (1), a beam shaping system (2), and a projection system (3). The broadband spectrum light source (1) is used to emit a broadband spectrum light. The beam shaping system (2) is used to shape the broadband spectrum light to form a ring-shaped light. The projection system (3) is used to project the ring-shaped light onto the user's eye area to form a ring-shaped light spot.

[0057] A broadband spectrum light source (1) may be installed at the entrance of a light transmission channel and used to emit light of a broadband spectrum. In some embodiments, the spectral range of the broadband spectrum light source (1) may be a spectral range including any spectral cutoff width within the range of 300 nm to 700 nm. In one example, the spectral range of the broadband spectrum light source is 500 nm to 800 nm, including the range of 500 nm to 700 nm. Using a broadband spectrum light source can provide a rich spectral resource to a myopia illumination system, thereby enabling the achievement of the desired effect by selecting light of the desired spectrum and irradiating the fundus retina. In some embodiments, the broadband spectrum light source (1) may include, but is not limited to, light-emitting diodes (LEDs), incandescent lamps, fluorescent lamps, etc. The emission power of the broadband spectrum light source (1) may be about 0.1 mW to 1 W, and the output power before entering the eye is about 0.1 mW to 15 mW. By using a light source like the one above and controlling the output power before it enters the eye, the safety of the lighting can be improved during the use of the myopia lighting system.

[0058] The beam shaping system (2) is used to shape the broadband spectrum beam emitted by the broadband spectrum light source (1) to form a ring-shaped beam. The broadband spectrum light source (1) can generally be viewed as a point light source or as a surface light source after homogenization, and the shape of the emitted beam is generally circular. Through the beam shaping system (2), the circular beam can be adjusted into a desired shape, for example, a ring-shaped beam, and thus the user's eye area can be illuminated in the desired shape. A specific implementation of the beam shaping system will be described later.

[0059] The projection system (3) is used to project a ring-shaped beam formed in this shape onto the user's eye area, for example, the fundus, to form a ring-shaped light spot thereon. The projection system (3) can be implemented in various ways.

[0060] In some embodiments, the projection system (3) may include an illumination lens (31) and a projection lens (32). The illumination lens (31) is installed on a broadband spectrum light source (1) located on the light source emission side to collect light rays emitted by the broadband spectrum light source (1) and project the light rays to the projection lens (32). The projection lens (32) is positioned at a certain distance from the illumination lens (31) so as to project the light rays emitted by the illumination lens (31) into the user's pupil (10).

[0061] In this application, a lens refers to an optical member made of a transparent material whose surface is part of a sphere. "Illumination" and "projection" are functional terms, and specific implementations may be a single lens or a group of lenses composed of multiple lenses. The illumination lens and the projection lens may form a system structure of Köhler illumination. Those skilled in the art will also understand that projection systems can be implemented in other ways, such as critical illumination projection, optical lens projection, light wave guide projection, AR / VR projection systems, etc., and lighting systems such as direct light illumination, LED desk lamp type lighting, and indoor / outdoor lighting are also possible. However, since the inventive concept of this application is not limited thereto, a detailed description of the projection system is omitted.

[0062] Accordingly, through the myopia illumination system provided above, a broadband spectrum light source is used and the broadband spectrum light is shaped by a beam shaping system, so that a ring-shaped light forms a ring-shaped light spot on the user's eye area, thereby avoiding the location of the central macula depression and increasing irradiation safety. In some embodiments, an LED is used as the broadband spectrum light source to improve safety and efficacy for the human eye.

[0063] As mentioned above, a beam forming system can shape a broadband spectrum beam to form a beam of a specific shape, such as a ring beam. A beam forming system may include one or more beam forming units, thereby enabling the formation of beams of various shapes and specifications. Various methods can be used to implement the beam forming unit.

[0064] FIG. 2 is an exemplary implementation of a beam forming machine according to some embodiment of the present application. In this embodiment, the beam forming machine can form an incident circular beam into a ring beam.

[0065] As illustrated in FIG. 1, a light shaping device (20) comprises a substrate (21), the substrate (21) comprising a ring-shaped light-emitting portion (211) and an opaque portion (212) located at the center of the ring-shaped light-emitting portion. When a circular light beam is incident on the substrate (21), the light beam is transmitted only through the ring-shaped light-emitting portion (211) to form a ring-shaped light beam.

[0066] In another embodiment, the beam shaper (20) may also perform a spectrum shaping function, and the beam shaper (20) may be understood as a spectrum shaper. Examples include optical filters, and the spectrum shaper will be described in detail later. Referring to the beam shaper illustrated in FIG. 2, this spectrum shaper may also include a ring-shaped light emitter and an opaque part located at the center of the ring-shaped light emitter. In some embodiments, the opaque part may be circular or have other shapes such as a hexagon or an octagon. As one example, the shape of the opaque part of the beam shaper (20) is primarily selected as circular to match the shape of the concave center of the macula.

[0067] The material of the ring-shaped light-transmitting part may include any one of glass, crystal, plastic, or resin. Furthermore, the plastic / resin may include any one of acrylic PMMA, polystyrene PS, cycloolefin copolymer COC, cycloolefin copolymer COP, rigid polyethylene terephthalate PET, polyvinyl chloride PVC, or polycarbonate PC. It is necessary to note that the above materials are merely some examples provided by this application, and other plastic or resin materials may be used in actual application, which are not listed individually herein. The material of the opaque part may be an opaque material, or the opaque part may have the same material as the ring-shaped light-transmitting part but be treated to be opaque, for example, sandblasted or painted, and the treated surface may be opaque.

[0068] In one example, the beam forming machine (20) can use a transparent acrylic plate as a substrate to create a circular groove in the center and insert an opaque black acrylic that fits into the groove. Similarly, the spectrum forming machine can create a circular groove in the center and then insert an opaque black acrylic that fits into the groove.

[0069] In another example, the beam forming machine (20) may use an acrylic transparent plate as a substrate and perform sandblasting or painting within a central circular area, or attach a black dot ring-shaped light-transmitting film to the center, and the circular surface thus treated is opaque. Similarly, the spectrum forming machine may complete the opacity treatment by performing sandblasting, painting, or attaching a black dot ring-shaped light-transmitting film within a central circular area.

[0070] In another example, the beam forming machine (20) has a hard PET, PVC, or PC as a substrate, sandblasting or coating treatment within a central circular area, or attaches a black dot ring-shaped light-transmitting film to the center, and the treated surface does not transmit light.

[0071] A ring-shaped beam formed through beam shaping can be projected onto the user's eye area through a projection system to form a ring-shaped light spot, thereby increasing irradiation safety by avoiding the location of the central concave area of ​​the eye.

[0072] Figure 3 is a distribution diagram showing different tissue regions of the fundus. As can be seen in Figure 3, the diameter of the fovea is approximately 1.5 mm, the diameter of the parafovea is approximately 2.5 mm, and the diameter of the perifovea is approximately 5.5 mm. The diagram also additionally indicates the size of the foveal avascular zone (FAZ), with the diameter of the FAZ being approximately 0.5 mm, the diameter of the foveola being approximately 0.35 mm, and the diameter of the umbo being approximately 0.15 mm. Based on the distribution of different tissue regions in the fundus, the size and shape of a ring-shaped light spot can be designed to irradiate the desired area while avoiding irradiation of unwanted areas.

[0073] FIG. 4 is a schematic diagram of a ring-shaped light spot according to some embodiments of the present application. The size of the ring-shaped light spot can be represented by several parameters. As shown in FIG. 4, in one example, the size of the ring-shaped light spot can be represented by the inner diameter d1 of the inner ring and the outer diameter d2 of the outer ring. Considering the distribution of different tissue regions in the fundus, the inner diameter d1 of the ring-shaped light spot output by the myopic illumination system is 0.0076 mm to 6 mm. In some embodiments, the size of the ring-shaped light spot may be any combination of the following.

[0074] The inner diameter d1 is about 1.5 mm and the outer diameter d2 is about 2.5 mm, and the ring-shaped light spot illuminates the parafovea region but avoids the fovea region.

[0075] The inner diameter d1 is approximately 2.5 mm and the outer diameter d2 is approximately 5.5 mm; in this case, the ring-shaped light spot illuminates the perifovea region but avoids the parafovea region. Or

[0076] The inner diameter d1 is about 1.5 mm and the outer diameter d2 is about 5.5 mm, and the ring-shaped light spot illuminates the perifovea region but avoids only the fovea region.

[0077] In another example, the size of the ring-shaped light spot can be represented by the ring width k and the distance r1 from the center of the light spot to the ring centerline. In some embodiments, the ring width k of the ring-shaped light spot may be approximately 0.0038 mm to 3 mm, and the distance r1 from the center of the light spot to the ring centerline is approximately 0.0038 mm to 3 mm.

[0078] By designing the size of the ring-shaped light spot, it can be tailored to the size of the human pupil and the center of the macula, thereby improving lighting efficiency. The size of the ring-shaped light spot can be achieved by selecting an appropriate beam shaper or by adjusting relevant optical components (e.g., apertures) within the myopia lighting system. Regardless of the adjustment method used, the ring-shaped light spot ultimately projected onto the user's eye must meet the intended size requirements.

[0079] The ring-shaped light spot output by the myopia lighting system is designed to match the tissue structure of the user's eye area, so it must be aligned with the position of the user's eye area during use. This ensures that the ring-shaped light spot is projected onto the matching position to guarantee a lighting effect. Optionally or additionally, in some embodiments, a target pattern may be added to the ring-shaped light spot output by the myopia lighting system to assist with alignment. FIG. 5 is a schematic diagram of a ring-shaped light spot with a target pattern according to some embodiments of the present application, wherein the target pattern guides the user's pupil to be stably aligned with the target pattern as a fixation point, thereby ensuring the angle and position at which the ring-shaped light spot enters the pupil.

[0080] In some embodiments, a target system is added to the myopia lighting system to form a ring-shaped light spot with a target pattern, generating a beam of the target pattern so as to be projected onto the user's eye area along with the ring-shaped beam. In one example, the target pattern may be formed through a beam forming system. The beam forming device or spectrum forming device illustrated in FIG. 2 has a target emitter, which is positioned at the center of the opaque part to transmit some broadband spectrum light to form a ring-shaped beam with a target pattern at the center. In this embodiment, there are no strict restrictions on the shape of the target emitter, and it may be circular, ring-shaped, cross-shaped, or star-shaped, and no excessive restrictions are placed on this.

[0081] In another example, the target pattern may be formed through an additional target light source and a beam splitter. FIG. 6 is an exemplary structural diagram of a myopic illumination system (600) according to some embodiment of the present application. As seen in FIG. 6, the myopic illumination system may include a target light source (11) and a beam splitter (12), and the broadband spectrum light source (1), the beam shaping system (2), and the projection system (3) are placed in the same light path, and the target light source (11) is placed in a different light path. The beam splitter (12) is placed at the boundary of the two light paths, wherein the light path containing the broadband spectrum light source (1) is the first light path and the light path containing the target light source (11) is the second light path. The beam splitter (12) can transmit the light of the first light path and reflect the light of the second light path, so that a ring-shaped light spot and a target light spot can be projected together onto the user's fundus, and the position on the fundus where the target light spot is projected is specifically located at the center of the ring-shaped light spot.

[0082] It is necessary to explain that the beam splitter (12) can also reflect the light rays of the first light path and transmit the light rays of the second light path, thereby projecting the ring-shaped light spot and the target light spot together onto the user's fundus. To make it easier to understand, the light path containing the broadband spectrum light source (1), the beam shaping system (2), and the projection system (3) in FIG. 6 can be exchanged with the light path containing the target light source (11), and is not limited thereto.

[0083] It is necessary to explain further that in this embodiment, there are no strict restrictions on the shape of the target light spot. In some embodiments, different shapes of target light spots can be realized by adjusting the shape of the light outlet of the target light source, for example, by installing a light-blocking plate with a specific shape at the light outlet of the target light source and adjusting the shape of the target light beam.

[0084] FIG. 7 is an exemplary structural diagram of a myopia lighting system (700) according to some other embodiments of the present application. As can be seen in FIG. 7, the myopia lighting system (700) may include a broadband spectrum light source (1), a spectrum shaping system (5), and a projection system (3). The broadband spectrum light source (1) is used to emit broadband spectrum light. The spectrum shaping system (5) is used to form the spectrum of the broadband spectrum light to produce a light with a specified spectrum. The projection system (3) is used to project the specified spectrum light onto the user's eye area. The broadband spectrum light source and the projection system may be described in combination with FIG. 1 above, which is not repeated herein.

[0085] In the embodiments of the present application, spectrum shaping refers to adjusting the optical spectrum of an input light beam, and includes, for example, adjusting the wavelength range of the light beam, specifically the starting wavelength, cutoff wavelength, spectrum cutoff width, etc. By spectrum shaping a broadband spectrum light beam, a desired effect can be achieved by selecting a light beam of a desired wavelength and irradiating it onto the fundus.

[0086] A spectrum shaping system may include one or more spectrum shaping machines. Spectrum shaping machines can be implemented in various ways.

[0087] FIGS. 8a-8c illustrate exemplary implementations of a spectrum shaping machine according to some embodiments of the present application.

[0088] FIG. 8a shows a spectrum shaper implemented using an optical filter. In this embodiment, the spectrum shaper can be realized using a single or multiple optical filters. The principle of realizing spectrum shaping through an optical filter is illustrated in the drawing. As shown in the drawing, the optical filter (51) selectively transmits a portion of the spectrum for the incident light (511) and cuts off the remaining spectrum through absorption, reflection, etc. That is, it transmits a designated light (512) according to the spectral characteristics of the filter and reflects or absorbs undesignated light (513).

[0089] FIG. 8b shows a spectrum shaper implemented using a transmission diffraction grating filter. In this embodiment, the spectrum shaper can be implemented using a single or multiple transmission diffraction grating filters. An exemplary structure of a transmission diffraction grating filter is shown in the drawing. As shown in the drawing, the transmission diffraction grating filter (52) consists of a series of parallel and equally spaced narrow slits or protrusions, and diffraction occurs when a light source passes parallel to the diffraction grating. By changing the diffraction grating parameters, light rays of a specific wavelength can be allowed to pass through, while light rays of the remaining wavelengths are diffracted elsewhere or removed, thereby achieving a spectrum shaper effect.

[0090] FIG. 8c illustrates a spectrum shaper implemented using a reflective diffraction grating filter. In this embodiment, the spectrum shaper can be implemented using one or more reflective diffraction grating filters. The drawing illustrates the principle by which the reflective diffraction grating filter implements the spectrum shaper. As shown in the drawing, light rays of a specific wavelength are reflected in both directions by the reflective diffraction grating filter (53) and collected by the system, while light rays of unselected wavelengths are diffusely reflected or removed to achieve a spectrum shaper effect.

[0091] As will be understood by those skilled in the art, spectrum shaping may also be implemented using other devices. For example, a spectrum shaper may be constructed using one or more various optical components, which include, but are not limited to, prisms and lenses. Additionally, a spectrum shaper may be constructed using non-optical components, such as liquid crystal spectroscopic plates or spectroscopic absorbers containing spectroscopic absorbing materials. Regardless of the form it takes, the essence of a spectrum shaper is an optical filter. Therefore, the spectral range of a spectrum shaper implemented with various devices can be represented by the filtering parameters of the optical filter. These filtering parameters include, but are not limited to, a center wavelength, a starting wavelength (also called a low-pass cutoff wavelength), a cutoff wavelength (also called a high-pass cutoff wavelength), and a spectrum cutoff width. Similarly, the spectral characteristics of a spectrum shaper may include any one of high-pass, low-pass, band-pass, or multi-band-pass. Each spectrum shaper may have its own spectral range and spectral characteristics.

[0092] FIG. 9 is a schematic diagram of a spectrum shaping device according to some embodiment of the present application. In this embodiment, the spectrum range of the spectrum shaping device may be as follows. The low-pass cutoff wavelength range is approximately 640 nm to 660 nm, and the high-pass cutoff wavelength range is approximately 670 nm to 700 nm, i.e., the spectrum cutoff width is approximately 10 nm to 60 nm. As shown in the figure, the transmitted spectrum range is the same as the spectrum range irradiated onto the fundus retina. The spectrum range of this embodiment may correspond to the red light spectrum.

[0093] Research has revealed that using a 650nm wavelength is effective for the prevention and management of myopia in adolescents. Furthermore, it has been confirmed that using a 670nm wavelength demonstrates similar effects in the prevention and management of myopia in middle-aged individuals. The principle of prevention lies in the strong penetrating power of the wavelength range where long-wavelength red light is located. Therefore, red light can act on the choroid simultaneously after passing through the retina. Due to its thermal effect, red light opens bottleneck-like stenosis at the location of small arterial openings in the choroidal lobules, increasing blood flow into the lobules. This leads to an increase in microcirculating blood volume, thickening of the choroid, and prevention of scleral hypoxia. Supplying sufficient oxygen to the sclera improves blood circulation in the fundus, thereby achieving a preventive effect against myopia. Additionally, 650nm red light induces retinal epithelial pigment cells to secrete dopamine, which can effectively inhibit the excessive growth of the ocular axis. Therefore, by adjusting parameters such as the low-pass cutoff wavelength and high-pass cutoff wavelength of the spectrum shaper according to the above range, a suitable red light from a broadband spectrum light source can be selected to suit the user's situation, thereby obtaining a more superior myopia prevention effect.

[0094] Furthermore, in some embodiments, the spectrum shaping system may include multiple spectrum shaping units, each having a different spectral range and / or a different spectral cutoff width, thereby enabling a free combination of different spectral ranges and different spectral cutoff widths. This combination method can effectively improve the spectrum utilization rate and the effects on the prevention and improvement of myopia.

[0095] FIG. 10 is an exemplary embodiment showing a spectrum forming system comprising a plurality of spectrum forming machines according to another embodiment of the present application. As illustrated in FIG. 10, the spectrum forming system (5) may be implemented in the form of a rotatable disk, and a plurality of spectrum forming machines (e.g., optical filters) are arranged in the main direction on the edge of the disk. Among the plurality of spectrum forming machines, at least two different spectrum forming machines are included. For example, spectrum forming machines (52) and (53) are illustrated in the drawing, each having a spectrum cutoff width of 10 nm and 20 nm, respectively, while having the same center wavelength. Additionally, spectrum forming machines (54) and (55) are illustrated in the drawing, each having a spectrum cutoff width of 650 nm and 670 nm, respectively, while having the same center wavelength, so that they can be adjusted to suit various types of users. Furthermore, a light-transmitting plate (56) is also illustrated in the drawing, which can be considered as a full-band spectrum forming machine. As you can understand, the different spectrum shapers shown in the drawing may have different center wavelengths and spectrum cutoff widths, which are not listed here individually.

[0096] FIG. 11 is a schematic diagram illustrating spectrum shaping of a spectrum shaping device according to another embodiment of the present application. In this embodiment, the spectrum range of the spectrum shaping device may be as follows: the low-pass cutoff wavelength range is about 360 nm to 375 nm, the high-pass cutoff wavelength range is about 385 nm to 400 nm, i.e., the spectrum cutoff width is about 10 nm to 40 nm. As can be seen in the figure, the transmission spectrum range is the spectrum range irradiated onto the fundus retina. The spectrum range of this embodiment may correspond to the ultraviolet spectrum.

[0097] Research has revealed that purple light can have a significant effect on eye health and on the prevention and management of myopia. Therefore, by adjusting parameters such as the low-pass cutoff wavelength and high-pass cutoff wavelength of a spectrum shaper according to the range mentioned above, the expected myopia prevention effect can be achieved by selecting an appropriate purple light from a broadband spectrum light source and irradiating it onto the user's retina.

[0098] Similarly, in some embodiments, the spectrum forming system may include multiple spectrum forming machines, and each spectrum forming machine may have a different spectrum range and / or a different spectrum cutoff width, thereby enabling a free combination of various spectrum ranges and various spectrum cutoff widths.

[0099] The red light spectrum shaping and violet light spectrum shaping mentioned above can be arranged individually or in combination. For example, there are combinations of different spectral cutoff widths in the red light spectrum, combinations of different spectral cutoff widths in the violet light spectrum, and combinations of the red light spectrum and the violet light spectrum. The spectral ranges of the different spectrum shaping devices may be the same or different, and may partially overlap or not overlap. This allows for an effective increase in spectrum utilization and the effects of myopia prevention and improvement.

[0100] In some embodiments, the spectral cutoff width of the single-spectral molder is approximately 5 nm to 60 nm, and the center wavelength can be any wavelength within the wavelength ranges of 360 nm to 400 nm and 640 nm to 700 nm. For example, the spectral cutoff width can be 60 nm, 40 nm, 20 nm, 10 nm, 5 nm, etc. Narrowing the spectral cutoff width allows for the precise selection of the required wavelength, ensures the unity of the narrowband spectrum, and obtains the improvement effect brought by the corresponding wavelength.

[0101] In another embodiment, a variety of selectable spectral ranges can be provided by using a combination of multiple spectrum shaping machines. For example, the spectral range of the first spectrum shaping machine is 380±10nm, the spectral range of the second spectrum shaping machine is 650nm±5nm, the spectral range of the third spectrum shaping machine is 665nm±5nm, the spectral range of the fourth spectrum shaping machine is 670nm±5nm, the spectral range of the fifth spectrum shaping machine is 680nm±5nm, the spectral range of the sixth spectrum shaping machine is 650nm±10nm, the spectral range of the seventh spectrum shaping machine is 665nm±10nm, the spectral range of the eighth spectrum shaping machine is 665nm±20nm, the spectral range of the ninth spectrum shaping machine is 670nm±20nm, the spectral range of the tenth spectrum shaping machine is 680nm±20nm, etc.

[0102] When using a combination of multiple spectrum shapers, these spectrum shapers may all be of the same type, for example, all optical filters or all reflective diffraction grating filters. They may also be of different types, such as partially optical filters, partially diffraction grating filters, or partially prisms. A person skilled in the art may select an appropriate spectrum shaper to suit the spatial structure of the myopic illumination system as described in this application.

[0103] FIG. 12 is an exemplary structural diagram of a myopic lighting system (1200) according to some other embodiments of the present application. In these embodiments, some other parts of the myopic lighting system are also shown to better understand the present application. Based on the myopic lighting system (100) shown in FIG. 1, the myopic lighting system (1200) of FIG. 12 includes a dividing component, a condensing lens, an aperture, a color temperature controller, a power monitor and / or a spectrum forming system, etc.

[0104] As illustrated in FIG. 12, a myopia lighting system (1200) may include a broadband spectrum light source (1), a power monitor (4), a grading member (6), a condensing lens (7), a beam shaping system (2), an aperture (8), a color temperature controller (9), a spectrum shaping system (5), an illumination lens (31), and a projection lens (32) arranged along a light path. Here, the broadband spectrum light source (1) may adopt an LED and emit divergent light. The divergent light undergoes the grading action of the grading member (6) and the condensing action of the condensing lens (7) to form a concentrated uniform light. This uniform light can be shaped through the beam shaping system (2) to form a ring-shaped light. Subsequently, the color temperature can be adjusted through the color temperature controller (9), and after undergoing spectrum shaping through the spectrum shaping system (5), the output light has a specified spectrum range. During the light transmission process, the aperture (8) can adjust the size and / or power of the light rays passing through it. The adjusted light rays pass through the illumination lens (31) and the projection lens (32) and are finally output as uniformly distributed light rays and projected onto the user's pupil (10).

[0105] A person skilled in the art should understand that FIG. 12 illustrates only one exemplary structure of a myopic lighting system. In this structure, the power monitor (4), the equilibrium element (6), the condensing lens (7), the beam shaping system (2), the spectrum shaping system (5), the aperture (8), and the color temperature controller (9) are all optional optical components. When setting up a myopic lighting system, one or more of these may be placed in the myopic lighting system according to actual needs, and other optical components such as a marker light source (11) and a beam splitter (12) combined with the embodiment of FIG. 6 above may also be added to implement the corresponding functions.

[0106] In some embodiments, the equalizing member (6) is a member having the function of equalizing the light source, such as a equalizing plate, a diffuser plate, or a light guide plate. Taking the equalizing plate as an example, the equalizing plate can be set to be located at a distance of about 0 mm to 1 mm from the broadband spectrum light source (1). The closer the distance between the equalizing plate and the broadband spectrum light source (1), the greater the energy transmitted as the light rays from the broadband spectrum light source (1) pass through the equalizing plate, and the utilization efficiency of the light source increases accordingly. For example, the equalizing plate can be placed in close contact with the light-emitting port of the broadband spectrum light source (1) so that all the output light rays of the broadband spectrum light source (1) pass through the equalizing plate. In actual application, when inserting the equalizing plate into the myopia lighting system (1100), it is necessary to select an appropriate distance between the equalizing plate and the broadband spectrum light source (1) so that problems such as deformation of the equalizing plate due to assembly tolerances do not occur.

[0107] In some embodiments, the smooth surface of the diffuser plate is positioned to face the broadband spectrum light source (1). Since the light source is only transmissive on the smooth surface, positioning the smooth surface of the diffuser plate toward the broadband spectrum light source (1) ensures that energy passes through the diffuser plate to the maximum extent. The rough surface of the diffuser plate is positioned to face the user's eyes. When set in this way, light passing through the diffuser plate causes a scattering effect on the rough surface, forming a uniform surface light source on the rough surface. Additionally, assuming that the diffuser component uses a different optical component, it is necessary to further explain that the side with the scattering effect of the optical component must be positioned toward the user's eyes, and the other side toward the broadband spectrum light source (1).

[0108] Additionally, if the smooth surface of the chromatic plate is directed toward the broadband spectrum light source (1), it can reflect light rays at a large angle. Therefore, if a power monitor (4) is placed in the reflection path, the output of the broadband spectrum light source can be monitored, making it easy to control within a preset range. The preset range is, for example, about 0.1 mW to 1 W. For example, the power monitor (4) may be a photoelectric conversion chip, which receives light rays emitted from the broadband spectrum light source (1) and reflected from the smooth surface of the chromatic plate, collects the energy of the light rays, and converts them into an electrical signal. This electrical signal can be transmitted to a backend for monitoring, thereby monitoring the stability of the output power of the broadband spectrum light source (1), which can improve the safety of the myopia lighting system.

[0109] As an example, when performing stability monitoring, taking a photoelectric conversion chip as an example, the photoelectric conversion chip outputs a PD value. For example, a PD value of 100 corresponds to a power of 0.1 mW, and the backend can determine the stability of the emitted power of the broadband spectrum light source (1) by identifying changes in the photoelectric converter output PD value. In one embodiment, the backend can monitor the absolute value of the PD value, and if the PD value exceeds an allowable range, it can determine that there is a power abnormality, transmit an alarm, and / or actively adjust the emitted power of the broadband spectrum light source (1). In another embodiment, the backend can determine an abnormality by monitoring the fluctuation of the PD value over a certain period. For example, if the maximum value of the fluctuation of the PD value over a certain period reaches a fluctuation threshold, it can determine that there is a power abnormality, transmit an alarm, and / or actively adjust the emitted power of the broadband spectrum light source (1). It is necessary to note that the above description is an example of the method of implementing the monitoring function provided by the present embodiment, and other implementation methods may also be applied to the present application in actual application.

[0110] In some embodiments, a broadband spectrum light source (1) is positioned on the incident spherical surface of a condensing lens (7). Furthermore, in some embodiments, the condensing lens (7) may be in close contact with the light-emitting surface of the broadband spectrum light source (1), and this arrangement may cause the target surface of the broadband spectrum light source (1) to be positioned on the incident spherical surface of the condensing lens (7), and furthermore, cause all divergent rays output by the broadband spectrum light source (1) to be condensed.

[0111] The condensing lens (7) can be applied to a plano-convex lens, an aspherical lens, or other optical components having a condensing function. Assuming that a plano-convex lens is adopted as the condensing lens, the convex side of the plano-convex lens faces the light source, and the flat side faces the user's eye area. Additionally, it should be explained that if the condensing lens adopts other optical components, the side of the optical component from which light rays are emitted faces the light source, and the side from which light rays are concentrated faces the user's eye area, so that the emitted light rays are collected and the focusing process is performed.

[0112] Furthermore, in a nearsighted lighting system equipped with a power monitor (4), if the power monitor (4) detects a power abnormality, the light source radiation power may be adjusted by moving the condensing lens away from the light source.

[0113] In some embodiments, the spectrum shaping system (5) is used to shape the spectrum of a broadband spectrum light source from a light source to form a light with a specified spectrum before projecting the light onto the user's eye area. In this application, spectrum shaping means adjusting the optical spectrum of an input light, and includes, for example, adjusting the wavelength range of the light, specifically the starting wavelength, cutoff wavelength, spectrum cutoff width, etc. By shaping the broadband spectrum light, a light of a desired wavelength can be selected and irradiated onto the retina, thereby achieving the expected effect.

[0114] The spectrum forming system (5) may include one or more spectrum forming machines. In this embodiment, the spectrum forming machine can be implemented in various ways, for example, the spectrum forming machine can be implemented using one or more optical filters. In the embodiment described in conjunction with FIGS. 8a-8c above, various implementation methods of the spectrum forming system (5) and the forming principles thereof have been described in detail, and specific configurations and embodiments can be described by referring to the above description, so they will not be repeated here.

[0115] Furthermore, various spectrum shapers of the spectrum shaper system (5) can be switched via a switch, and by operating the switch to insert a designated spectrum shaper into the light path of the myopia illumination system, spectrum shape targeting a broadband spectrum light can be performed, and among these, a light of a desired wavelength can be selected and irradiated onto the fundus. It should be noted here that any device capable of implementing the switching function is suitable for this embodiment, for example, a rotary switch, and the present application embodiment is not limited in this respect.

[0116] In some embodiments, the aperture (8) may be a hole aperture, and the size and / or power of the light beam may be controlled by adjusting the hole size parameter of the hole aperture. For example, the hole aperture may be located on the exit surface of a condensing lens, and the diverging light source passing through the condensing lens passes through the hole aperture so that the power of the light source passing through the aperture is increased. When the light source is an LED, the diverging angle of the LED light source is large and the power distribution is diverging, so the diverging light beam from the LED light source converges after passing through the condensing lens, and the power distribution of the light source is concentrated and transmitted to the rear and passes through the hole aperture. At this time, the light source at the location of the hole aperture corresponds to a surface light source, has low power attenuation, the diverging angle is the diverging angle of the convergent light beam passing through the hole aperture, and the size is the aperture size of the hole aperture.

[0117] Additionally, the aperture is located at the front focal plane of the illumination lens (31), and the exit surface of the illumination lens (31) is located between the illumination lens (31) and the projection lens (32) and is close to the illumination lens (31). That is, the exit surface of the illumination lens (31) is located behind the illumination lens (31) and is located close to the back side. By arranging it in this way, the light spot energy distribution at the exit surface of the illumination lens (31) can be made more uniform.

[0118] The exit surface of the illumination lens (31) is also located on the front focal surface of the projection lens (32). When set up this way, when using the aforementioned myopia illumination system, the light spot distribution of the exit surface of the illumination lens (31) is projected onto the fundus, allowing the human eye to see a uniform surface light source. Furthermore, the design may be configured so that the user's pupil is located on the rear focal surface of the projection lens (32), thereby allowing all light emitted from each location of the exit surface of the illumination lens (31) to pass through the pupil and illuminate the user's fundus.

[0119] Based on the positional conditions of the illumination lens (31) and the projection lens (32), a person skilled in the art can clearly understand that in this embodiment, the illumination lens (31) and the projection lens (32) form a system structure that constitutes a Köhler illumination and solves the problem of non-uniformity of the light source. A person skilled in the art should understand that this embodiment may also adopt other methods to achieve a projection system. For example, projection systems such as critical illumination projection, optical lens projection, light wavemap projection, AR / VR, etc. may be included, and lighting systems such as direct illumination, LED stand-type lighting, indoor and outdoor lighting may also be included.

[0120] In another embodiment, the aperture (8) may include a first aperture and a second aperture, and the first aperture, the illumination lens (31), the second aperture, and the projection lens (32) are arranged sequentially to form a projection system. In this projection system, the positions of the illumination lens (31) and the projection lens (32) can be referenced from the description above, and the position of the first aperture can be referenced from the aperture position described above, so it is not repeated here.

[0121] As an example, the second aperture is closely attached to the illumination lens (31), the first aperture is optically co-located with the eye surface of the user's eye area and the second aperture is optically co-located with the fundus light spot of the user's eye area. In this case, the aperture size of the first aperture determines the size of the light beam waist at the optical co-location position formed by the first aperture and the eye surface of the user's eye area, and the aperture size of the second aperture determines the size of the fundus light spot of the user's eye area or the angle of incidence into the eye area. As can be understood, by adjusting the aperture sizes of the first aperture and / or the second aperture, the fundus light spot projected onto the user's eye area can be shaped, specifically, the size can be shaped.

[0122] When illuminating a user's eye using a myopic lighting system, the pupil automatically constricts upon light stimulation, reducing the pupil diameter by approximately 2.5 mm. This results in a difference between the power of the fundus light spot output by the myopic lighting system and the power actually entering the eye. Specifically, the power actually entering the eye decreases by a factor of the square due to pupil constriction, and this relationship can be expressed as follows: w = W × (Ld)² / L², where w is the power actually entering the eye, W is the light spot power output by the myopic lighting system, L is the pupil diameter, and d represents the amount of pupil constriction. In the user's eye region, pupil constriction reduces the diameter of the light entry point, thereby decreasing the area of ​​the light source by a factor of the square, which in turn results in a power loss of a factor of the square.

[0123] Furthermore, the ocular projection power of the myopia illumination system is determined based on one or more factors of the light beam waist size at the surface of the eye, the size of the fundus light spot, and the emission power of the broadband spectrum light source. As can be understood, the power distribution of the fundus light spot projected onto the user's eye area may also be shaped by adjusting the aperture size of the first aperture and / or the second aperture.

[0124] In order to ensure the referenceability of the power and lighting efficiency of the mouth, in some embodiments, the first aperture is designed to be optically co-positioned with the mouth position on the eye surface of the user's eye area so that the light rays from the mouth position on the eye surface converge, and the angle of incidence of the actual light rays into the mouth is 1.5 mrad to 350 mrad.

[0125] In some embodiments, power control is completed by controlling the size of the light beam waist at the ocular surface. When the diameter of the light beam waist does not exceed a specified threshold, the ocular power is equal to the output power of a broadband spectrum light source. In some embodiments, the specified threshold is approximately 2.5 mm ± 0.5 mm. For example, FIG. 3a is a schematic diagram of a light beam waist according to some embodiments of the present application, and as in FIG. 13a, when the actual diameter of the light beam waist is 2.5 mm or less, if the pupil diameter is larger than the diameter of the light beam waist, all light rays can be incident on the eye even in a constricted pupil state, and all light spot power of the system output can be received and utilized at the fundus.

[0126] In some other embodiments, the situation in which power adjustment is completed by controlling the size of the light beam waist at the ocular surface orally is as follows. When the light beam waist diameter is greater than a specified threshold, the orally power is determined based on the output power distribution of the broadband spectrum light source and the fundus light spot. As one example, FIG. 13b is a schematic diagram of a light beam waist according to some other embodiment of the present application, and as shown in FIG. 13b, when the actual light beam waist diameter is 2.5 mm or greater, the pupil diameter is smaller than the diameter of the light beam waist. Assuming that the light spot power output by the system exhibits a Gaussian distribution and the light beam waist diameter is greater than 2.5 mm, then the role of the power received by the pupil in the user's eye area is approximately 90% to 100%, and the degree of overlap between the pupil and the area where the power outputting the light spot is concentrated is high. Alternatively, if the light spot power output by the system is uniformly distributed, the power ratio received by the pupil of the user's eye is the ratio of the pupil area to the area where the system outputs the light spot.

[0127] It is necessary to explain further that in some embodiments, the aperture size parameter of the first aperture has a greater influence on the output distribution of the fundus light spot, and the aperture size parameter of the second aperture has a greater influence on the size of the fundus light spot. Therefore, the aperture size of the first aperture can be adjusted to primarily control the output of the fundus light spot, and the aperture size of the second aperture can be adjusted to primarily control the size of the fundus light spot. For example, when performing light spot shaping, the aperture of the second aperture can be adjusted first according to the required light spot size, then the first light spot power adjustment curve can be determined according to the aperture size of the second aperture, and then the aperture size of the first aperture can be adjusted based on the first light spot power adjustment curve so that the power of the fundus light spot satisfies the requirements. Furthermore, one exemplary expression of the first light spot power adjustment curve is W = a1 x 14 + a2 x 13 + a3 x 12 + a4 x 1 + a5, where W represents the light spot power, X1 represents the opening of the first aperture, and a1, a2, a3, a4, and a5 represent the coefficients of each equation of the first light spot power adjustment curve. The coefficient values ​​can be obtained by referring to a table based on the light spot size and the opening size of the second aperture.

[0128] Furthermore, in some embodiments, the influence of the first aperture on the light spot size may be ignored, in which case the size of the light spot has a one-to-one correspondence with the aperture size of the second aperture. This relationship may be represented by a preset light spot size adjustment curve or by a light spot size mapping table. For example, the preset light spot size adjustment curve can be represented as S = -0.42X2 + 3.0533, where S represents the light spot size and X2 represents the aperture size of the second aperture. The light spot size mapping table contains a mapping relationship consisting of an array of aperture sizes and light spot sizes that satisfy the preset light spot size adjustment curve, which is not described in detail.

[0129] In some embodiments, the color temperature controller (9) is used to control the color temperature of the light projected onto the user's eye by passing light of a specified color temperature range. In some embodiments, the color temperature controller (9) may be a warm-colored light-transmitting plate capable of passing light of a color temperature range of about 3500K-5000K. By adding the color temperature controller, the light can be made softer so that it is not harmful or irritating to the eyes.

[0130] A person skilled in the art should understand that FIG. 12 represents only one exemplary structure of a myopic lighting system. In other embodiments, the chromatic light source (6) and the condensing lens (7) may be placed at different locations, for example, the broadband spectrum light source (1), the chromatic light source (6), and the condensing lens (7) may be placed in order, or the broadband spectrum light source (1), the condensing lens (7), and the chromatic light source (6) may be placed in order, and no excessive restrictions are placed thereon. The spectrum shaping system (5) and the color temperature controller (9) may also be set at different locations, for example, the spectrum shaping system (5) may be placed at any of the following locations. The beam shaper is also similar to a spectrum shaper, and both devices can be set at any location between the broadband spectrum light source (1) and the condensing lens (7), between the condensing lens (7) and the aperture (8), between the condensing lens (6) and the aperture (8), between the aperture (8) and the illumination lens (31), between the illumination lens (31) and the projection lens (32), and in the direction in which the projection lens (32) moves away from the broadband spectrum light source (1). Likewise, the color temperature controller (9) can also be set at any location in the light path between the broadband spectrum light source (1) and the user's eye area, and can be selected according to actual design requirements, with no restrictions thereon. Similarly, the color temperature controller (9) can also be set at any location in the light path between the broadband spectrum light source (1) and the pupil (10) of the human eye, and the color temperature controller (9) and the spectrum shaping system (5) can be arranged in any relative positional relationship with each other in a myopia illumination system. For example, the light beam may first pass through the color temperature controller (9) to complete color temperature adjustment and then enter the spectrum shaping system (5), or it may first pass through the spectrum shaping system (5) to perform spectrum shaping and then enter the color temperature controller (9), and there are no limitations on this point in the embodiments of the present application.

[0131] Persons skilled in the art should also understand that the myopia lighting system described in conjunction with FIG. 12 above is merely one optional example, and in actual application, optical elements, etc., described in the above-mentioned embodiment may be added, removed, or replaced as needed. For example, in another embodiment, the myopia lighting system may include only a broadband spectrum light source (1), a condensing lens (7), a beam shaping system (2), a spectrum shaping system (5), an illumination lens (31), and a projection lens (32). As yet another example, in another embodiment, the myopia lighting system may include only a broadband spectrum light source (1), a power monitor (4), a equilibrium member (6), a beam shaping system (2), an illumination lens (31), and a projection lens (32). The function of each component installed in the myopia lighting system has already been described in detail in the above-mentioned embodiment and is therefore not repeated here.

[0132] Furthermore, the electrical components of the myopia lighting system provided in any of the embodiments mentioned above may be powered using a stabilized power supply, such as a battery, and for example, may be powered using a lithium battery to power a broadband spectrum light source, a power monitor, etc. The use of a stabilized power supply can ensure the power stability of the myopia lighting system. In addition, the myopia lighting system can monitor the stabilized power circuit in real time and, when the battery level is low, for example, when it falls below 5%, notify the user of the low level so that the user can replace it in a timely manner.

[0133] Based on the myopia lighting system provided above, the present application may also provide a myopia lighting device comprising the myopia lighting system described in any of the embodiments mentioned above. Furthermore, in some embodiments, the myopia lighting device may output a ring-shaped light spot satisfying required conditions by utilizing a myopia lighting system comprising a beam-shaping system described in any of the previous embodiments. The inner diameter of the ring-shaped light spot output by the myopia lighting system may be adjusted based on measurement data of the user's eye area, for example, the measurement data of the user's eye area may be collected by an external eye area measuring device, for example, an ophthalmic comprehensive measuring device.

[0134] As an example, a myopia light irradiation device can be implemented as a personalized smart device for the user and measures the user's eyes through a comprehensive eye measurement device. For instance, by taking a photograph of the user's fundus retina, tissue differentiation in the retinal region can be identified and determined, and the diameter of the central macula can be determined. Assuming the diameter of the user's central macula is 1.5 mm, when configuring the myopia light irradiation device, the inner diameter of the ring-shaped light spot output by the myopia light irradiation system can be adjusted to 1.5 mm through a beam shaping system to realize personalized myopia light treatment.

[0135] As another example, the power of the myopia lighting device may be pre-labeled in one or more levels, and when using the device, the user can select and use an appropriate level depending on the situation. For example, it may be labeled with three power levels, such as the first level being 0.3mw, the second level being 0.9mw, and the third level being 1.5mw, allowing for different usage methods to be set for people of different age groups or degrees of myopia. For example, children may use a low level, while people with high prescriptions may use a high level. In some embodiments, a single level or multiple levels may be realized through power correction of a broadband spectrum light source, for example, by configuring a pre-specified output or a plurality of preset emission powers, and after turning on the myopia lighting device, the emission power of the broadband spectrum light source may be directly set to one of the specified emission power or a plurality of preset emission powers.

[0136] Generally, since myopia illumination devices perform myopia irradiation treatment on both eyes of the user, the device may be equipped with two lens tubes, namely a left eye lens tube and a right eye lens tube, which are used to accommodate the myopia illumination system. Furthermore, cushioning pads made of soft materials such as silicone or sponge may be attached to the ends of the left / right eye lens tubes that come into contact with the user's eyes, thereby improving comfort when using the myopia illumination device.

[0137] To make it easier for a person skilled in the art to understand the structure of the myopia illumination device, FIG. 4 is a schematic diagram of the structure of a myopia illumination device (1400) according to some embodiments of the present application, and as shown in FIG. 14, in some embodiments, the left eye lens tube (141) and the right eye lens tube (142) are connected via a spacing adjuster (143), and the spacing adjuster (143) can adjust the distance between the left eye lens tube (141) and the right eye lens tube (142) to accommodate various pupil spacings. The myopia illumination device can not only support grade adjustment for different users but also adjust the pupil spacing. Furthermore, the pupil spacing can be set in different steps, for example, if the spacing range allowed by the spacing adjuster is 42mm-76mm, one pupil spacing grade can be set for every interval such as 2mm, 1mm, or 0.5mm, and the present application does not impose any particular limitations on the spacing between each pupil spacing grade.

[0138] In another embodiment, a monocular or binocular 3D imaging device may be installed in the left eye lens tube and / or the right eye lens tube, which can collect the user's pupil information. For example, pupil information such as the user's pupil size can help adjust the diameter of the converging light rays entering the eye or adjust the grade power of the myopia lighting device, thereby ensuring the effectiveness of the light entering the eye.

[0139] As an advancement, the myopia illumination device may also include a mechanical adjuster used to adjust the optical path axis of the myopia illumination system within the lens tube. By combining it with a 3D camera device installed in the left eye lens tube and / or the right eye lens tube, the center of the output ring-shaped light spot can be aligned with the direction of the human eye's gaze by changing the direction of the optical path axis of the myopia illumination system, thereby ensuring the eye incidence efficiency of the light spot.

[0140] In addition to adjusting the optical path axis of the myopic illumination system within the lens tube, the mechanical adjuster may, in some embodiments, further adjust the position of the target pattern. By adjusting the position of the target pattern, a change in the user's gaze direction is induced, thereby preventing visual fatigue caused by the user staring in the same direction for a long time. It is necessary to explain that during the process of adjusting the position of the target pattern, the direction of the optical path axis of the myopic illumination system must be controlled synchronously to ensure that the target pattern is always positioned at the center of the ring-shaped light spot, thereby ensuring that the ring-shaped light spot is projected onto a designated area of ​​the user's eye.

[0141] To increase the accuracy of the above adjustment process, a 3D camera device can be combined to synchronously monitor the user's real-time movement status, thereby providing reference information for the adjustment of the mechanical controller and ensuring the validity of the investigation.

[0142] Additionally, to ensure a more uniform power distribution of the fundus light spot, in some embodiments, a vibration motor (144) may be installed in the housing of the myopia lighting device. The vibration motor (144) is driven when the myopia lighting system is in operation, and to more intuitively illustrate the uniform effect of the vibration motor, FIG. 15 is a schematic diagram comparing the power distribution before and after the operation of the vibration motor according to some embodiments of the present application. According to FIG. 15, after the vibration motor vibrates at a constant period, the power distribution waveforms before and after the vibration overlap, reducing the amplitude of fluctuation and showing that the power distribution is more uniform and stable. To further explain, the vibration direction of the vibration motor may be the arrangement direction of the left eye lens tube and the right eye lens tube, and it may be selected to vibrate one or both of the left eye lens tube and the right eye lens tube during vibration.

[0143] In order to realize intelligent control of a myopic lighting device, in some embodiments of the present application, a controller is additionally installed in the myopic lighting device. It is necessary to explain that the number of controllers may be one or multiple, and in the present application, the same controller may perform different subsequent functions, or multiple different controllers may each perform different functions.

[0144] As an example, a power controller is connected to a broadband spectrum light source and used to control the emission power of the broadband spectrum light source, and achieves power level control by adjusting the emission power of the broadband spectrum light source to a specified emission power or one of several preset emission powers according to, for example, a user's feedback level command.

[0145] Furthermore, the power controller can communicate with an external eye measurement device and automatically adjust the device's power level after receiving measurement data from the device. For example, the user can perform eye measurements at regular intervals, such as once a month or half a month, to check for retinal damage or whether the degree of myopia has improved; based on this information, the controller can update the designated or preset emission power to refresh and upgrade the preset power level.

[0146] The interval controller can adjust the interpupillary distance grade. As another example, the interval controller can be connected to and used to control the interval adjuster. For first-time users, an exercise mode can be implemented using the interval controller and interval adjuster; in this mode, the gap between the left and right lens tubes cycles between 42mm and 76mm, effectively helping first-time users adapt to red light. Note that the interval ranges mentioned above are merely one example.

[0147] As another example, the shaping controller may be connected to a 3D camera device to acquire pupil information collected from the user. In some embodiments, the shaping controller is connected to a beam shaping system to control the beam shaping system to adjust the diameter of the converging beam entering the eye according to the user's pupil size, thereby forming a ring-shaped beam that fits the user's pupil size. In another embodiment, the optical axis controller is connected to a mechanical adjuster to control the mechanical adjuster to adjust the optical path axis of the myopia illumination system according to the user's pupil position so that it is aligned with the center of the pupil, thereby ensuring the efficiency of the light source's incidence on the eye.

[0148] It is necessary to clarify that the aforementioned power controller, interval controller, molding controller, and lighting controller may be the same controller, or they may be multiple controllers performing different functions in the myopia lighting device. The naming of the controllers above is merely to distinguish the various functions they perform and does not limit the number of controllers.

[0149] Device usage information can also be stored within the myopia lighting device, and this may include usage requirement information and device usage information. Among these, the usage requirement information may include the number of times the device is used per day, the time interval between uses, and the duration of use. For example, the usage requirement information may stipulate that the myopia lighting device be used twice a day, with an interval of at least 4 hours between each use, for 3 minutes each time, and the controller can monitor whether the device usage meets this usage requirement information. If the requirements are met, the device operates normally; otherwise, the device cannot be used normally. In medical environments, the number of times the device is used per day may be set to unlimited, or multiple selectable usage time levels may be set. Meanwhile, device usage information is used to provide feedback on the device's usage status. For example, the device usage information may include the number of times the device is used, the device location, the type of network used, the duration of use, whether the device is in normal condition, and the power used.

[0150] As an example, device data, such as the device usage information, can be managed integrally by a device management platform, and the myopia lighting device and the device management platform exchange data via wireless communication. The device management platform can remotely upgrade the myopia lighting system by monitoring this data. In some embodiments, the myopia lighting device may be equipped with a remote upgrade module, which is controlled by the device management platform and serves to perform remote upgrades based on the user's eye measurement data for each session.

[0151] Based on the functions of one or more controllers described in the above embodiments, some embodiments of the present application may provide a method for controlling a myopic lighting device, and this control method may be applied to a myopic lighting device in any of the embodiments described above. For convenience of explanation, the method for controlling a myopic lighting device is described below using the case of a single controller as an example. It is necessary to explain that if the myopic lighting device uses multiple controllers, the following control method can be matched with controllers having different functions, and this is not discussed in further detail.

[0152] In this embodiment, the control method is executed by a controller such as a molding controller. FIG. 16 is an exemplary flowchart of a control method (1600) for a myopia lighting device according to some embodiment of the present application.

[0153] As illustrated in FIG. 16, measurement data of the user's eye area is acquired in step S1601. In some embodiments, the measurement data may be collected through an external measuring device, such as an ocular comprehensive measuring device. Furthermore, the measurement data may be collected at regular intervals to form a data set consisting of measurement data from multiple intervals. The measurement data may include, but is not limited to, details such as the diameter of the user's central macula, binocular myopia degree, user pupil distance, axial length, etc.

[0154] In step S1602, the diameter of the user's central macula is determined based on the measurement data. The diameter of the user's central macula can reflect the location and size of the sensitive area of ​​the user's eye, thereby guiding the shape of the ring-shaped light spot.

[0155] In step S1603, the beam shaping system is controlled to shape the broadband spectrum beam into a specified ring beam. In this step, the controller controls the beam shaping process by controlling the beam shaping system to form the specified ring beam; the implementation of the shaping function of the beam shaping system has been described in detail in the previous embodiment and is therefore not repeated here.

[0156] In this embodiment, the inner diameter of the designated ring-shaped beam is made to match the diameter of the user's central macula, so that the user's central macula can be protected from strong light stimulation.

[0157] Additionally, in some embodiments, the controller may control the emission power of the broadband spectrum light source. As one example, the power of the myopia lighting system may be preset in one or more power levels, and when the myopia lighting device is turned on, the controller may control the emission power of the broadband spectrum light source to a specified emission power so that the power of the myopia lighting system satisfies a preset power level, or the controller may control the emission power of the broadband spectrum light source to one of several preset emission powers so that the power of the myopia lighting system satisfies one of the preset power levels.

[0158] Furthermore, if the measurement data includes measurement data acquired over multiple cycles, the controller can also determine information based on the measurement data, such as whether there is damage to the user's fundus, the extent of the damage, or whether the degree of myopia has improved, and accordingly, adjust the power rating by updating the specified emission power or preset emission power.

[0159] In addition to power level adjustment, in some other embodiments, a controller, for example, a spacing controller, may be controlled to adjust to different interpupillary distances. In this embodiment, the myopia illumination device also includes a left eye lens tube, a right eye lens tube, and a spacing adjuster positioned between the two, said spacing adjuster being used to adjust the spacing between the left eye lens tube and the right eye lens tube.

[0160] FIG. 17 is an exemplary flowchart of a control method (1700) for a myopia lighting device according to another embodiment of the present application, and a controller such as an interval controller can also perform the control method illustrated in FIG. 17.

[0161] In step S1701, pupil information of the user is obtained. In this embodiment, the pupil information includes the distance between the user's pupils. In some embodiments, pupil information may be collected through a 3D camera device installed in the lens tube. This 3D camera device may be a monocular or binocular camera device, and may also be installed in only one of the left lens tube and the right lens tube, or in both lens tubes. The 3D camera device is installed near the eye area close to the lens tube to facilitate the collection of the user's pupil information, and the collected pupil information is transmitted to a controller to subsequently perform tasks such as adjusting the grade of the distance between the pupils.

[0162] In step S1702, the spacing adjuster is controlled to adjust to a specified step or to perform a circular motion according to a preset mode based on the user's interpupillary distance. In some embodiments, the controller can control the spacing adjuster to adjust the spacing between the left eye lens tube and the right eye lens tube to match the user's interpupillary distance, where the spacing refers to the distance between the axes of the left eye lens tube and the right eye lens tube. In another embodiment, the controller can adjust the spacing adjuster to a specified step, and the specified grade may be one of several preset spacing grades. For example, the spacing range of the spacing adjuster may be 42 mm to 76 mm, and for each spacing, one spacing grade may be created with a spacing of 2 mm, 1 mm, or 0.5 mm. In another embodiment, the myopia light device may have a preset mode called a motion mode, in which the spacing adjuster performs a circular motion within that spacing range to improve the ability of a novice user to adapt to red light.

[0163] In addition to the interpupillary distance, a controller, for example, an optical axis controller, can control the angle at which a ring-shaped beam enters the eye. For example, a myopia lighting device may include a mechanical adjuster for adjusting the optical path axis of the myopia lighting system. After obtaining pupil information from the user in step S1701, the controller can perform step S1703 to control the mechanical adjuster so that the optical path axis of the myopia lighting system aligns with the center of the user's pupil according to the center of the user's pupil.

[0164] Furthermore, in some embodiments, the myopia lighting device may include a target system, which is used to generate a beam of light of a target pattern. After acquiring the user's pupil information in step S1701, the controller may also control a mechanical adjuster based on the user's pupil information to adjust the direction of the beam of light of the target pattern so that it aligns with the center of the user's pupil.

[0165] As an example, a target system includes a target light source and a beam splitter, and the relative positions of the target light source and the beam splitter within the myopic illumination device have already been described in detail in a previous example and are therefore not repeated here. In this example, the controller can adjust the direction of the light rays of the target pattern by controlling a mechanical adjuster to adjust one or more of the position of the target light source, the position of the beam splitter, and the angle of the beam splitter.

[0166] In addition, in some embodiments of the present application, the user's pupil size can be obtained through a 3D camera device installed in a myopia illumination device, which can be referenced by a controller to control a beamforming system and used to adjust the waist diameter of the eye incident beam of a ring-shaped ray to match the pupil size. Furthermore, the 3D camera device can calculate and capture the pupil size in real time, and the controller can control the beamforming machine in real time according to the results collected by the 3D camera device in real time.

[0167] In some embodiments of the present application, the myopia illumination systems of the left eye lens tube and the right eye lens tube may be controlled separately. As one example, after the controller acquires the user's eye area measurement data, based on the user's binocular myopia degree and / or ocular axis information, the controller may activate the myopia illumination system of the left eye lens tube if the user is myopic in only one eye, activate the myopia illumination system of the right eye lens tube if the user is myopic in only the right eye, or activate both systems if the user is myopic in both eyes. Furthermore, in some other embodiments, the controller may control the operation periods of the myopia illumination systems of the left eye lens tube and the right eye lens tube separately, thereby enabling time-segmented management. For example, for a user with different degrees of binocular myopia, the irradiation time for the eye with the higher myopia degree may be 3 minutes, and the irradiation time for the eye with the lower myopia degree may be 2 minutes or 1 minute, and the time unit may be set in minutes or seconds, without any specific limitations.

[0168] Furthermore, in some embodiments, the controller may individually control the emission power of the myopia illumination system for each of the left eye lens tube and the right eye lens tube. For example, for a user with different degrees of myopia in the two eyes, high emission power may be used for the eye with higher myopia and low emission power for the eye with lower myopia.

[0169] Terms such as "first" or "second" as used in this application are used for descriptive purposes only to indicate numbers or ordinal numbers and should not be understood as implying a number of technical features that specify, imply, or indicate relative importance. Accordingly, a feature limited to "first" or "second" may include at least one such feature, either explicitly or implicitly. In the description of this application, the meaning of "plural" refers to at least two, e.g., two, three, or more, unless explicitly limited otherwise.

[0170] Although numerous embodiments of the present application have been presented and described in this document, it will be apparent to those skilled in the art that such embodiments are provided merely as examples. Those skilled in the art may conceive many changes, modifications, and alternatives without departing from the spirit and concept of the present application. It should be understood that various alternatives to the embodiments of the present application described in this document may be adopted in the practice of implementing the present application. The appended claims are intended to limit the scope of protection of the present application and therefore include equivalents or alternatives within the scope of these claims.

Claims

Claim 1 A myopia lighting system characterized by comprising: a broadband spectrum light source emitting a broadband spectrum light; and a projection system for projecting the broadband spectrum light onto a user's eye area. Claim 2 A myopia lighting system according to claim 1, further comprising a beam shaping system that shapes the broadband spectrum beam to form a ring-shaped beam; wherein the projection system projects the ring-shaped beam onto the user's eye area to form a ring-shaped light spot. Claim 3 A myopia illumination system according to paragraph 2, wherein the beam forming system comprises a substrate, the substrate comprises a ring-shaped light-emitting part and an opaque part located at the center of the ring-shaped light-emitting part, or the beam forming system comprises a spectrum forming device, the spectrum forming device comprises a ring-shaped light-emitting part and an opaque part located at the center of the ring-shaped light-emitting part. Claim 4 A myopia lighting system according to paragraph 2, further comprising a target system that generates a beam of light of a target pattern and projects it onto the user's eye area together with the ring-shaped beam. Claim 5 A myopia illumination system according to claim 4, wherein the target system comprises a target emitter installed in the spectrum shaper of the beam shaping system, positioned at the center of the opaque part of the spectrum shaper, and transmitting a portion of the broadband spectrum light to form a ring-shaped light with a target pattern at the center. Claim 6 A myopia illumination system according to claim 4, wherein the target system comprises a target light source and a beam splitter, the output light path of the target light source overlaps with the first light path of the beam splitter, and the second light path of the beam splitter overlaps with the propagation light path of the ring-shaped light; the first light path is one of a reflection light path and a projection light path, and the second light path is the other of the reflection light path and the projection light path that is distinct from the first light path, and the position where the target light output by the target light source is projected onto the user's eye area is at the center of the ring-shaped light spot. Claim 7 A myopia lighting system characterized by comprising at least one of the following: (1) the material of the ring-shaped light-transmitting part comprises one of glass, crystal, plastic, or resin; (2) the material of the opaque part is an opaque material; and (3) the opaque part has the same material as the ring-shaped light-transmitting part and is opaque. Claim 8 A myopia lighting system according to claim 7, wherein the opaque part comprises black acrylic; or the opaque treatment comprises sandblasting, painting, or attachment of a black dot ring-shaped light-transmitting film. Claim 9 A myopia illumination system characterized in that, in any one of claims 2 to 8, the size of the ring-shaped light spot is such that the ring width k of the ring-shaped light spot is 0.0038 mm to 3 mm and the distance r1 from the center of the light spot to the ring-shaped centerline is 0.0038 mm to 3 mm; the inner diameter of the ring-shaped light spot is 0.0076 mm to 6 mm; the inner diameter d1 of the ring-shaped light spot is 1.5 mm and the outer diameter d2 is 2.5 mm; the inner diameter d1 of the ring-shaped light spot is 2.5 mm and the outer diameter d2 is 5.5 mm; or the inner diameter d1 of the ring-shaped light spot is 1.5 mm and the outer diameter d2 is 5.5 mm. Claim 10 A myopia illumination system according to any one of claims 1 to 9, characterized in that the spectral range of the broadband spectrum light source is a spectral range covering any spectral cutoff width within the range of 300nm to 700nm. Claim 11 A myopia lighting system characterized in that, in any one of claims 1 to 10, the broadband spectrum light source comprises at least one of an LED lamp, an incandescent lamp, and a fluorescent lamp. Claim 12 A myopia lighting system characterized in that, in any one of claims 1 to 11, it further comprises a spectrum shaping system that shapes the spectrum of the broadband spectrum light to form a light having a specified spectrum, and the projection system projects the light of the specified spectrum onto the user's eye area. Claim 13 A myopia illumination system according to claim 12, wherein the spectrum forming system comprises one or more spectrum forming devices, and one or more spectrum ranges of the spectrum forming devices satisfy any one of the following: a spectrum cutoff width of 5 nm to 60 nm and a center wavelength selected from the wavelength ranges of 360 nm to 400 nm and 640 nm to 700 nm; a low-pass cutoff range of approximately 640 nm to 660 nm and a high-pass cutoff range of approximately 670 nm to 700 nm; or a low-pass cutoff range of approximately 360 nm to 375 nm and a high-pass cutoff range of approximately 385 nm to 400 nm. Claim 14 A myopia illumination system according to claim 13, wherein the spectrum forming device comprises one or more of the following: an optical filter; a transmission type diffraction grating filter; a reflection type diffraction grating filter; a prism; a lens; a liquid crystal spectrum transmitting plate; and a spectrum absorber, or a combination thereof. Claim 15 A myopia illumination system according to claim 13, characterized in that the spectral characteristics of the spectrum shaping device include one of a high-pass, a low-pass, a band-pass, or a multi-band-pass. Claim 16 A myopia lighting system characterized by further including a color temperature controller that controls the color temperature of a light beam to be projected onto a user's fundus by transmitting a light beam having a specified color temperature range, in any one of claims 1 to 15. Claim 17 A myopia lighting system according to claim 16, characterized in that the color temperature controller is a warm-color light-transmitting plate and the specified color temperature range is approximately 3500K-5000K. Claim 18 A myopia lighting system according to any one of claims 1 to 17, further comprising a light-emitting plate, wherein the smooth surface of the light-emitting plate faces the broadband spectrum light source and the rough surface of the light-emitting plate faces the user's eye area. Claim 19 A myopia lighting system according to claim 18, characterized in that the distance from the equalizing plate to the broadband spectrum light source is 0mm to 1mm. Claim 20 A myopia lighting system characterized by further including a power monitor that monitors the emission power of the broadband spectrum light source and controls it within a predetermined range, in any one of claims 18 to 19. Claim 21 A myopia lighting system according to claim 20, characterized in that the power monitor receives a light beam emitted from the broadband spectrum light source and reflected by the smooth surface of the equilibrium plate to implement the monitoring. Claim 22 A myopia lighting system characterized in that, in claim 20, the above-mentioned predetermined range is 0.1mW-1W. Claim 23 A myopia illumination system according to any one of claims 1 to 22, wherein the projection system comprises a first aperture, an illumination lens, a second aperture, and a projection lens arranged sequentially along an optical path, wherein the second aperture is in close contact with the illumination lens, the first aperture forms an optical conjugate with the eye surface of the user's eye area, and the second aperture forms an optical conjugate with the fundus light spot of the user's eye area, and wherein the mouth power of the myopia illumination system is determined based on one or more of the light beam waist size at the eye surface of the mouth, the size of the fundus light spot, and the emission power of the broadband spectrum light source. Claim 24 A myopia illumination system according to claim 23, characterized in that, if the light beam waist diameter does not exceed a specified threshold, the oral power is equal to the emission power of the broadband spectrum light source; or if the light beam waist diameter is greater than the specified threshold, the oral power is determined based on the power distribution of the emission power of the broadband spectrum light source and the size of the fundus light spot. Claim 25 A myopia illumination system characterized in that, in claim 24, the specified threshold is 2.5mm ± 0.5mm. Claim 26 A myopic lighting device characterized by comprising a myopic lighting system according to any one of claims 1 to 25. Claim 27 A myopia lighting device according to claim 26, characterized in that the inner diameter of the ring-shaped light spot output by the above myopia lighting system is adjusted based on measurement data of the user's eye area. Claim 28 A myopia lighting device according to any one of claims 26 to 27, further comprising a power controller, wherein the power controller is connected via communication with an external eye area measuring device, acquires measurement data of the user's eye area, controls the emission power of the broadband spectrum light source to one of a designated emission power or a plurality of preset emission powers based on the measurement data, and updates the designated emission power or the preset emission power. Claim 29 A myopia illumination device according to any one of claims 26 to 28, further comprising a left eye lens tube and a right eye lens tube, wherein a myopia illumination system is installed in each of the left eye lens tube and the right eye lens tube, and the left eye lens tube and the right eye lens tube are connected by a spacing adjuster, wherein the spacing adjuster adjusts the distance between the left eye lens tube and the right eye lens tube to match different interpupillary distances. Claim 30 A myopia lighting device according to claim 29, further comprising a gap controller, wherein the gap controller is connected to the gap adjuster and controls the gap controller to adjust to a specified step or to perform a cyclic movement according to a preset mode. Claim 31 A myopia illumination device characterized in that, in any one of claims 29 to 30, at least one of the left eye lens tube and the right eye lens tube is equipped with a 3D camera device for collecting the user's pupil information. Claim 32 A myopia lighting device according to claim 31, further comprising an optical axis controller and a mechanical adjuster; wherein the optical axis controller is connected to the mechanical adjuster and the 3D camera device, respectively, and adjusts the axis of the optical path of the myopia lighting system by controlling the mechanical adjuster based on pupil information. Claim 33 A myopia illumination device according to any one of claims 31 to 32, further comprising a forming controller; wherein the forming controller is connected to the 3D camera device and the beam forming system, respectively, and controls the beam forming system based on the pupil information to form a ring-shaped ray incident beam waist diameter that matches the pupil size. Claim 34 A myopia lighting device characterized in that, in any one of claims 26 to 33, the device data of the myopia lighting device is managed integrally by a device management platform, and the myopia lighting device and the device management platform exchange data via wireless communication. Claim 35 A myopia lighting device characterized in that, in any one of claims 26 to 34, a vibration motor that operates when the myopia lighting system is in operation is installed in the housing of the myopia lighting device. Claim 36 A method for controlling a myopia lighting device, wherein the myopia lighting device comprises a broadband spectrum light source, a beam shaping system, a projection system, and a shaping controller, wherein a broadband spectrum light emitted by the broadband spectrum light source is shaped through the beam shaping system, and the shaped ring-shaped light is projected onto a user's eye area through the projection system to form a ring-shaped light spot; wherein the shaping controller executes the following control method, and the control method comprises: a step of acquiring measurement data of a user's eye area; a step of determining the diameter of the user's central macula based on the measurement data; and a step of controlling the beam shaping system to shape the broadband spectrum light into a designated ring-shaped light, wherein the inner diameter of the designated ring-shaped light matches the diameter of the user's central macula. Claim 37 A method for controlling a myopia lighting device according to claim 36, wherein the myopia lighting device further comprises a power controller, and after acquiring measurement data of a user's eye area, the power controller also executes the following control method, wherein the control method comprises: a step of controlling the emission power of the broadband spectrum light source based on the measurement data to become one of a designated emission power or a plurality of preset emission powers; and a step of updating the designated emission power or preset emission power based on the measurement data - wherein the measurement data includes measurement data acquired over a plurality of cycles -; characterized by comprising at least one of these steps. Claim 38 A method for controlling a myopia illumination device according to claim 36, wherein the myopia illumination device further comprises a left eye lens tube, a right eye lens tube, a gap adjuster and a gap controller installed between the left eye lens tube and the right eye lens tube; wherein the gap controller also executes the following control method, and the control method includes the step of controlling the gap adjuster based on the user's interpupillary distance to adjust to a specified step or performing a cyclic movement according to a preset pattern. Claim 39 A method for controlling a myopia lighting device according to claim 36, wherein the myopia lighting device further comprises a mechanical adjuster and an optical axis controller for adjusting the axis of the optical path of the myopia lighting system; and wherein the optical axis controller also executes the following control method, and the control method comprises the step of controlling the mechanical adjuster based on the user's pupil information to adjust the axis of the optical path of the myopia lighting system so that the axis of the optical path of the myopia lighting system aligns with the center of the user's pupil. Claim 40 A method for controlling a myopia lighting device according to claim 39, wherein the myopia lighting device further comprises a target system for generating a target pattern of light rays to be projected onto the user's eye area together with the ring-shaped light rays; and wherein the optical axis controller also executes the following control method, and the control method comprises the step of adjusting the direction of the target pattern of light rays to align with the center of the user's pupil by controlling the mechanical adjuster based on the user's pupil information. Claim 41 A method for controlling a myopia illumination device according to claim 40, wherein the target system comprises a target light source and a beam splitter, the output light path of the target light source overlaps with the first light path of the beam splitter, and the second light path of the beam splitter overlaps with the propagation light path of the ring-shaped light; and the optical axis controller also executes the following control method, wherein the control method includes the step of controlling the mechanical adjuster based on the user's pupil information to adjust one or more parameters among the position of the target light source, the position of the beam splitter, and the angle of the beam splitter. Claim 42 A method for controlling a myopia lighting device according to claim 36, wherein the myopia lighting device further comprises a left eye lens tube and a right eye lens tube, and a myopia lighting system is installed in each of the left eye lens tube and the right eye lens tube; and after acquiring measurement data of a user's eye area, further execute the following control method, wherein the control method comprises at least one of the steps of: controlling and operating one or both of the myopia lighting systems in the left eye lens tube and the right eye lens tube based on the measurement data; controlling the operating period of the myopia lighting systems in the left eye lens tube and the right eye lens tube based on the measurement data; and controlling the emission power of the myopia lighting systems in the left eye lens tube and the right eye lens tube based on the measurement data. The measurement data comprises at least one of the myopia degree of both eyes of the user and ocular axis information.

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