Control Method, Device, Equipment and Storage Medium of Myopia Prevention and Control Instrument

Abstract

The present application discloses a control method, device, equipment and storage medium for a myopia prevention and control instrument. The method includes: obtaining an eye image of a user, analyzing the bright and dark regions of the eye image to obtain the pupil area; determining the incident light power and spot area of the effective light to be applied to the user's eyes; based on the incident power, pupil area and spot area of the effective light, determining the target detection emission light power of the effective light; obtaining the set emission light power, and based on the set emission light power and the target detection emission light power, obtaining the emission light power to be adjusted, so as to adjust the effective light based on the emission light power to be adjusted. The present application automatically adjusts the effective light of the light source based on the change of the pupil area, thereby preventing the incident light power from changing and reducing the safety hazard of the user.

Description

Technical Field

[0001] The present application relates to the technical field of artificial intelligence for medical instruments, and particularly to a control method, device, equipment and storage medium for a myopia prevention and control instrument. Background Art

[0002] In recent years, the incidence of myopia among teenagers in China has shown a significant upward trend, and the types of myopia prevention and control instruments have also increased accordingly.

[0003] Myopia means that due to the elongation of the eye axis, when parallel light enters the eye, it focuses in front of the retina, resulting in the retina being unable to form a clear image. Currently, widely used myopia prevention and control instruments irradiate the eyes with red light (wavelength 630 - 660 nm), increasing the blood flow in the choroid of the fundus, thereby thickening the choroid and restoring the elasticity of the scleral fibers to control the elongation of the eye axis. The eye axis no longer grows or even shortens, thereby preventing and controlling myopia. However, the emission light power of existing myopia prevention and control instruments is preset, and there may be a problem of excessive power, posing a safety hazard to users. Summary of the Invention

[0004] The main purpose of the present application is to provide a control method, device, equipment and storage medium for a myopia prevention and control instrument, aiming to solve the technical problem that the emission power of the myopia prevention and control instrument cannot be effectively adjusted during the treatment process of existing myopia prevention and control instruments.

[0005] To achieve the above object, the present application provides a control system for a myopia prevention and control instrument, and the control system for the myopia prevention and control instrument includes:

[0006] A light source, which is used to emit a first incident light and emit the first incident light to a beam splitting component;

[0007] A beam splitting component, which is used to receive the first incident light emitted by the light source, perform beam splitting processing on the first incident light based on a second preset angle value to obtain a second incident light and a third incident light, is further used to transmit the second incident light to a beam converter, is further used to reflect the third incident light to a processor, and is further used to receive the eye reflection light of the user's eyes focused by the beam converter and reflect the eye reflection light to an image sensor;

[0008] A beam converter, which is used to receive the second incident light transmitted by the beam splitting component, convert the second incident light into parallel effective light, uniformly irradiate the effective light on the user's eyes, is further used to convert the parallel eye reflection light into focused light and focus the focused light on the beam splitting component;

[0009] An image sensor, which is configured to receive the eye reflection light reflected by the beam splitting component, convert the eye reflection light into an eye image of the user's eye, and also send the eye image of the user's eye to a processor;

[0010] A processor, which is configured to receive the third incident light reflected by the beam splitting component, detect the optical power of the third incident light, also receive the eye image sent by the image sensor to obtain the pupil area, further determine the target detection emission optical power, and also adjust the emission optical power.

[0011] Optionally, the beam splitting component further includes:

[0012] Performing beam splitting processing on the first incident light based on a second preset angle value and transmission processing with a preset transmittance to obtain the second incident light, and performing reflection processing on the first incident light to obtain the third incident light.

[0013] This application also provides a control method for a myopia prevention and control instrument, which is applied to the control system of the myopia prevention and control instrument. The control method of the myopia prevention and control instrument includes:

[0014] Obtaining an eye image of the user's eye, analyzing the bright and dark areas of the eye image to obtain the pupil area;

[0015] Determining the incident optical power and spot area of the effective light to be applied to the user's eye;

[0016] Based on the incident power, pupil area and spot area of the effective light, determining the target detection emission optical power of the effective light;

[0017] Obtaining the set emission optical power, and based on the set emission optical power and the target detection emission optical power, obtaining the emission optical power to be adjusted, so as to adjust the effective light based on the emission optical power to be adjusted.

[0018] Optionally, the step of determining the incident optical power and spot area of the effective light to be applied to the user's eye includes:

[0019] Determining the first incident light for the effective light and determining the first angle value of the first incident light;

[0020] Performing beam splitting processing on the first incident light based on a second preset angle value and transmission processing with a preset transmittance to obtain the second incident light;

[0021] Performing conversion processing on the second incident light based on parallel light to obtain the effective light to be applied to the user's eye;

[0022] Determining the incident optical power of the effective light;

[0023] Based on the transmittance, the first angle value, and the second angle value, obtain the spot area of the effective light to be applied to the user's eye.

[0024] Optionally, the step of obtaining the set emission light power and obtaining the emission light power to be adjusted based on the set emission light power and the target detection emission light power includes:

[0025] Obtain the set emission light power;

[0026] Determine the third incident light obtained after reflecting the first incident light;

[0027] Detect the light power of the third incident light, and based on the light power of the third incident light, obtain the error between the set emission light power and the light power of the third incident light;

[0028] Based on the error and the target detection emission light power, obtain the emission light power to be adjusted.

[0029] Optionally, the step of obtaining an eye image of the user's eye and analyzing the light and dark areas of the eye image to obtain the pupil area includes:

[0030] Obtain an eye image of the user's eye, compare the light and dark areas of the eye image, and determine the open / closed eye state of the user;

[0031] When the user is in an open-eye state, obtain the pupil area based on the dark area in the eye image.

[0032] Optionally, the control method of the myopia prevention and control instrument further includes:

[0033] When the user is in an open-eye state, record the time of the effective light entering the eye;

[0034] Accumulate the time of the effective light entering the eye to obtain the duration of the effective light entering the eye;

[0035] Based on the duration of the effective light entering the eye, determine the energy of the effective light acting on the user's pupil.

[0036] This application also provides a control device for a myopia prevention and control instrument, and the control device for the myopia prevention and control instrument includes:

[0037] An acquisition module that acquires an eye image of the user's eye, analyzes the light and dark areas of the eye image, and obtains the pupil area;

[0038] A determination module that determines the incident light power and the spot area of the effective light to be applied to the user's eye;

[0039] Determine the target detection emission optical power of the effective light based on the incident optical power, pupil area, and spot area of the effective light

[0040] A detection module, which obtains the set emission optical power, and based on the set emission optical power and the target detection emission optical power, obtains the emission optical power to be adjusted, so as to adjust the effective light based on the emission optical power to be adjusted.

[0041] Optionally, the determination module includes:

[0042] A first determination unit, which determines the first incident light for the effective light and determines the first angle value of the first incident light;

[0043] A beam splitting module, which performs beam splitting processing based on a second preset angle value and transmission processing with a preset transmittance on the first incident light to obtain a second incident light;

[0044] A conversion module, which performs conversion processing based on parallel light on the second incident light to obtain the effective light to act on the user's eyes;

[0045] A second determination unit, which determines the incident optical power of the effective light;

[0046] Based on the transmittance, the first angle value, and the second angle value, obtain the spot area of the effective light to act on the user's eyes.

[0047] Optionally, the detection module includes;

[0048] A first acquisition unit, which acquires the set emission optical power;

[0049] A reflection module, which determines a third incident light obtained after reflecting the first incident light;

[0050] A detection unit, which detects the optical power of the third incident light, and based on the optical power of the third incident light, obtains the error between the set emission optical power and the optical power of the third incident light;

[0051] Based on the error and the target detection emission optical power, obtain the emission optical power to be adjusted.

[0052] Optionally, the acquisition module includes:

[0053] A comparison module, which acquires an eye image of the user, compares the bright and dark areas of the eye image, and determines the open / closed eye state of the user;

[0054] When the user is in an open eye state, based on the dark area in the eye image, obtain the pupil area.

[0055] Optionally, the control device of the myopia prevention and control instrument further includes:

[0056] A recording module, which records the eye entry time of the effective light when the user is in an open-eye state;

[0057] An accumulation module, which accumulates the eye entry time of the effective light to obtain the eye entry duration of the effective light;

[0058] Based on the eye entry duration of the effective light, determine the energy of the effective light acting on the user's pupil.

[0059] This application also provides a control device for a myopia prevention and control instrument. The control device for the myopia prevention and control instrument is an entity node device. The control device for the myopia prevention and control instrument includes: a memory, a processor, and a program of the control method for the myopia prevention and control instrument stored on the memory and executable on the processor. When the program of the control method for the myopia prevention and control instrument is executed by the processor, the steps of the control method for the myopia prevention and control instrument as described above can be implemented.

[0060] This application also provides a storage medium, on which a program for implementing the control method for the myopia prevention and control instrument as described above is stored. When the program of the control method for the myopia prevention and control instrument is executed by the processor, the steps of the control method for the myopia prevention and control instrument as described above are implemented.

[0061] This application also provides a computer program product, including a computer program, which implements the steps of the control method for the myopia prevention and control instrument as described above when executed by the processor.

[0062] This application provides a control method, device, equipment, and storage medium for a myopia prevention and control instrument. Compared with the existing myopia prevention and control instrument, where the light irradiation power does not change during use and there is a problem of excessive power, which poses a safety problem for users. In this application, an eye image of the user's eye is obtained, the bright and dark areas of the eye image are analyzed to obtain the pupil area; the incident light power and spot area of the effective light to be applied to the user's eye are determined; based on the incident power, pupil area, and spot area of the effective light, the target detection emission light power of the effective light is determined; the set emission light power is obtained, and based on the set emission light power and the target detection emission light power, the emission light power to be adjusted is obtained, so as to adjust the effective light based on the emission light power to be adjusted. In this application, as long as the target detection emission light power is obtained through the pupil area, the emission light power to be adjusted can be obtained based on the target detection emission light power and the set emission light power. That is, in this application, the effective light of the light source is automatically adjusted based on the change in the pupil area, thereby preventing the incident light power from changing and reducing the safety hazard of the user. Description of the Drawings

[0063] The accompanying drawings here are incorporated into the specification and form a part of this specification, showing embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application.

[0064] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0065] Figure 1 It is a schematic flowchart of the first embodiment of the control method for the myopia prevention and control instrument of the present application;

[0066] Figure 2 It is a schematic block diagram of the first embodiment of the control method for the myopia prevention and control instrument of the present application;

[0067] Figure 3 It is a schematic diagram of the device structure of the hardware operating environment related to the solution of the embodiment of the present application;

[0068] Figure 4 It is a schematic diagram of the optical path analysis of the first embodiment of the control method for the myopia prevention and control instrument of the present application.

[0069] The realization of the purpose, functional features, and advantages of the present application will be further described in conjunction with the embodiments with reference to the accompanying drawings. Specific Embodiments

[0070] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0071] The embodiment of the present application provides a control method for a myopia prevention and control instrument. In the first embodiment of the control method for the myopia prevention and control instrument of the present application, referring to Figure 1 , the control method for the myopia prevention and control instrument includes:

[0072] Step S10: Obtain an eye image of the user, analyze the bright and dark areas of the eye image, and obtain the pupil area;

[0073] Step S20: Determine the incident light power and spot area of the effective light to be applied to the user's eyes;

[0074] Based on the incident power, pupil area, and spot area of the effective light, determine the target detection emission light power of the effective light;

[0075] Step S30: Obtain the set emission light power, and based on the set emission light power and the target detection emission light power, obtain the emission light power to be adjusted, so as to adjust the effective light based on the emission light power to be adjusted.

[0076] The specific steps are as follows:

[0077] In step S10, an eye image of the user's eye is obtained, the bright and dark areas of the eye image are analyzed, and the pupil area is obtained.

[0078] In this embodiment, it should be noted that the control method of the myopia prevention and control instrument can be applied to the control device of the myopia prevention and control instrument. The control device of the myopia prevention and control instrument belongs to the control equipment of the myopia prevention and control instrument, and the control equipment of the myopia prevention and control instrument belongs to the control system of the myopia prevention and control instrument.

[0079] For the control system of the myopia prevention and control instrument, a spectroscopic component, a beam converter, an image sensor, a light source, and a light power detection module are built in.

[0080] Specifically, the image sensor can collect the eye image of the user and send the eye image to the processor.

[0081] Specifically, the light source can emit light with a wavelength of 630 - 660 nm. For example, the light source can be a laser, a light-emitting diode, a flashlight, etc.

[0082] Specifically, the spectroscopic component can decompose the light emitted by the light source into one or more beams of light, and can also reflect the decomposed one or more beams of light to the light power detection module;

[0083] The spectroscopic component can transmit the decomposed one or more beams of light to the beam converter, and can also reflect the reflected light on the eye surface focused by the beam converter to the image sensor.

[0084] Among them, the light power detection module can be located inside the control system or can be an external carrier.

[0085] Specifically, the beam converter can convert scattered light into parallel light or convert parallel light into scattered light.

[0086] In this embodiment, the eye reflected light reflected by the user's eye is detected by the image sensor, the eye reflected light is converted into an eye image, and the pupil area is obtained by analyzing the area of the bright and dark areas of the eye image.

[0087] Specifically, as Figure 4As shown in the figure, a first incident light with a wavelength of 630 - 660 nm is emitted by a light source to a beam splitter component, and the first incident light is split by the beam splitter component to obtain a second incident light and a third incident light. The second incident light is converted into parallel light by a beam converter and then evenly irradiates on the user's eyes, and an eye reflection light is formed on the user's eyes. The eye reflection light is converted into a focused light by the beam converter, and the eye reflection light is focused onto the beam splitter component. The beam splitter component reflects the eye reflection light onto an image sensor, and the image sensor converts the eye reflection light into an eye image and sends it to a control system to analyze the bright and dark areas of the eye image. Based on the dark area of the eye image, the area of the dark area of the eye image is obtained, and then the pupil area is obtained.

[0088] Among them, the first incident light is the emitted light from the light source to the beam splitter component;

[0089] The second incident light is the split light of the first incident light transmitted through the beam splitter component to the beam converter;

[0090] The third incident light is the split light of the first incident light reflected by the beam splitter component to a light power detection module.

[0091] Among them, the second incident light is scattered light before passing through the beam converter, and the eye reflection light is parallel light before passing through the beam converter.

[0092] For example, a red light with a wavelength of 630 - 660 nm is emitted by a light - emitting diode. The red light is split by a beam - splitting film with a transmittance of 90% to obtain 90% transmitted light and 10% reflected light. The 90% transmitted light is converted into parallel light by a convex lens and then evenly irradiates on the user's eyes, and parallel reflected light is formed on the user's eyes. The parallel reflected light of the user's eyes is converted into focused light by the convex lens and then focused onto the beam - splitting film, and the beam - splitting film reflects the eye reflection light onto an image sensor. The eye reflection light is converted into an eye image by the image sensor, and the eye image is sent to the control system to analyze the bright and dark areas of the eyes, obtain the area of the dark area of the eye image, and then obtain the pupil area of the user.

[0093] Specifically, the steps of obtaining an eye image of the user's eyes, analyzing the bright and dark areas of the eye image, and obtaining the pupil area include:

[0094] Step A1: Obtain an eye image of the user's eyes, compare the bright and dark areas of the eye image, and determine the open - eye or closed - eye state of the user;

[0095] Step A2: When the user is in an open - eye state, obtain the pupil area based on the dark area in the eye image.

[0096] In this embodiment, since the incident light absorbed by the pupil area is more and the reflected light is less, while the incident light absorbed by the non-pupil area tissue is less and the reflected light is more, the pupil area in the eye image is darker than the non-pupil area. And the pupil area is a circular dark area in the eye image. By comparing the bright area and the circular dark area in the eye image, analyzing the circular dark area in the user's eye image, if there is a complete circular dark area in the user's eye image, it is determined that the user is in an open-eye state. When the user is in an open-eye state, the area of the circular dark contour in the eye image is calculated by a preset area algorithm to obtain the pupil area.

[0097] It should be noted that the method for obtaining the pupil area includes, but is not limited to, calculating the area of the bright and dark areas of the eye image, and can also be directly detecting the pupil area, detecting the area of the pupil reflected light with a photosensitive element, etc.

[0098] In this embodiment, first, the eye image of the user's eye is obtained. After obtaining the eye image of the user's eye, the bright and dark areas of the eye image are analyzed, and the area of the circular dark area of the eye image is calculated by a preset area algorithm, and then the pupil area is obtained.

[0099] Step S20, determine the incident light power and the spot area of the effective light to be applied to the user's eye;

[0100] Based on the incident power, the pupil area, and the spot area of the effective light, determine the target detection emission light power of the effective light.

[0101] In this embodiment, the incident light power and the spot area of the effective light to be applied to the user's eye are determined in advance, and combined with the pupil area, the target detection emission light power of the effective light is calculated.

[0102] In this embodiment, the calculation process of the target detection emission light power is as follows:

[0103] Light source emission power: Wx

[0104] Transmittance of the beam splitting component: a

[0105] The transmitted light power through the beam splitting component W1 = a * Wx

[0106] The reflected light power through the beam splitting component W2 = (1 - a) * Wx

[0107] The spot area S1 of the parallel light after being condensed by the beam converter

[0108] Human eye pupil area S0, S0 = 0 when the eyes are closed

[0109] Incident power (effective light power) W0

[0110] If the unit light intensity remains unchanged, then W1 / S1 = W0 / S0

[0111] Substitute W1, then (a * Wx) / S1 = W0 / S0

[0112] The light source emission power Wx = (W0 * S1) / (a * S0)

[0113] Among them, the target detection emission light power is the actual light power that the light source needs to emit when the power entering the eye does not change.

[0114] Among them, the light splitting component can be a light splitting component with adjustable transmittance or a light splitting component with fixed transmittance. For example, a light splitter with adjustable transmittance, a light splitting film with a fixed transmittance value, etc.

[0115] In this embodiment, the power of the effective light to be applied to the user's eyes is obtained through the information input module, where the information input module can be:

[0116] Method 1: It can be voice input. When language information is obtained, the light power entering the eye of the effective light is obtained from the voice information;

[0117] Method 2: A touchpad can also be set, and based on the information input on the touchpad, the light power entering the eye is obtained.

[0118] Step S30, obtain the set emission light power, and based on the set emission light power and the target detection emission light power, obtain the emission light power to be adjusted, so as to adjust the effective light based on the emission light power to be adjusted.

[0119] In this embodiment, the preset emission light power is obtained. The light source emits the first incident light based on the set emission light power, and the first incident light is detected to obtain the actual emission light power, and the error between the actual emission light power and the set emission light power is obtained. Based on the error between the actual emission light power and the set emission light power and the target detection emission light power, the emission light power to be adjusted is obtained. The control system adjusts the light power of the first incident light emitted by the light source based on the emission light power to be adjusted, and then adjusts the effective light.

[0120] Among them, the actual emission light power is the light power of the first incident light.

[0121] Among them, the effective light is the light that can act on the user's eyes.

[0122] Among them, the step of obtaining the set emission light power and obtaining the emission light power to be adjusted based on the set emission light power and the target detection emission light power includes:

[0123] Step B1, obtain the set emission light power;

[0124] Step B2: Determine the third incident light obtained after reflecting the first incident light.

[0125] Step B3: Detect the optical power of the third incident light, and based on the optical power of the third incident light, obtain the error between the set emission optical power and the optical power of the third incident light.

[0126] Based on the error and the target detection emission optical power, obtain the emission optical power to be adjusted.

[0127] Among them, the third incident light is obtained by the beam splitting component reflecting the first incident light based on the reflectivity of the beam splitting component.

[0128] Among them, the sum of the reflectivity and the transmittance of the beam splitting component is 1. For example, if the transmittance of the beam splitting component is 90%, the reflectivity is 10%; if the transmittance is 80%, the reflectivity is 20%.

[0129] Specifically, the optical power detection module receives the third incident light, detects the optical power of the third incident light, and based on the optical power of the third incident light, obtains the error between the set emission optical power and the optical power of the third incident light.

[0130] Among them, the optical power of the third incident light is the actual emission optical power.

[0131] Specifically, by simply calculating the error between the set emission optical power and the optical power of the third incident light and the target detection emission optical power, the emission optical power to be adjusted can be obtained.

[0132] The steps of determining the incident optical power and the spot area of the effective light to act on the user's eye include:

[0133] Step C1: Determine the first incident light for the effective light and determine the first angle value of the first incident light.

[0134] Specifically, based on the included angle between the extension line of the focus of the light source and the beam converter, determine the first angle value of the first incident light.

[0135] Step C2: Perform beam splitting processing based on a second preset angle value and transmission processing with a preset transmittance on the first incident light to obtain a second incident light.

[0136] Specifically, pre-determine the second angle value and the transmittance of the beam splitting component, and perform transmission processing on the first incident light incident on the beam splitting component to obtain a second incident light.

[0137] Step C3: Perform conversion processing based on parallel light on the second incident light to obtain the effective light to act on the user's eye.

[0138] Specifically, the second incident light is scattered light. The second incident light irradiates on the beam converter, and the scattered second incident light is converted into parallel second incident light through the beam converter, obtaining the effective light to act on the user's eyes, and the effective light is uniformly irradiated on the user's eyes in parallel.

[0139] Step C4: Determine the incident light power of the effective light;

[0140] Wherein, the incident light power is determined based on the safety value specified by the Food and Drug Administration for the light power.

[0141] Step C5: Based on the transmittance, the first angle value, and the second angle value, obtain the spot area of the effective light to act on the user's eyes.

[0142] Specifically, by determining the transmittance of the beam splitting component and the second angle value, and the first angle value of the light source, the spot area of the parallel second incident light on the beam converter can be determined. By detecting the spot area of the parallel second incident light on the beam converter, the spot area of the effective light to act on the user's eyes is obtained.

[0143] In this embodiment, it is determined that the light source is located on the extension line of the focus of the beam converter. By adjusting the angle between the first incident light and the extension line of the focus, the first angle value is obtained. The first incident light is emitted onto the beam splitting component. The beam splitting component performs beam splitting and transmission processing on the first incident light to obtain the transmitted second incident light, and the second incident light is transmitted onto the beam converter. The scattered second incident light is converted into parallel second incident light through the beam converter, and then the spot area of the parallel light on the beam converter is detected to obtain the spot area of the effective light to act on the user's eyes.

[0144] Wherein, the transmittance of the beam splitting component and the second angle value are determined in advance.

[0145] In this embodiment, the set emission light power is obtained, and the first incident light emitted by the light source is determined. The light source irradiates the first incident light onto the beam splitting component. The beam splitting component performs beam splitting and reflection processing on the first incident light to obtain the third incident light. The beam splitting component reflects the third incident light to the optical power detection module. The optical power detection module detects the third incident light to obtain the optical power of the third incident light. Based on the optical power of the third incident light, the error between the set emission light power and the optical power of the third incident light is obtained. Based on the error and the target detection emission light power, the emission light power to be adjusted is obtained.

[0146] Wherein, the optical power of the third incident light is the actual emission light power of the light source.

[0147] For example, the set emission optical power is 1 watt, and the target emission power is obtained as 1 watt. The angle of the light source is adjusted, and the first incident light is emitted. The first incident light irradiates on a beam splitting component with a reflectivity of 10%. The beam splitting component reflects 10% of the first incident light into the optical power detection module. The actual optical power of the first incident light is detected by the optical power detection module as 1.2 watts, and the error between the set emission optical power and the actual optical power is obtained as -0.2 watts. Based on the error of -0.2 watts and the target detection emission optical power of 1 watt, the emission optical power to be adjusted is determined as 0.8 watts.

[0148] In this embodiment, after obtaining the target emission optical power based on the pupil area, the set emission optical power is acquired. Based on the set emission optical power and the target detection emission optical power, the emission optical power to be adjusted is obtained, so as to adjust the effective light based on the emission optical power to be adjusted.

[0149] This application provides a control method, device, equipment and storage medium for a myopia prevention and control instrument. Compared with the existing myopia prevention and control instrument, in which the light irradiation power does not change during use and there is a problem of excessive power, causing safety problems for users, in this application, an eye image of the user is acquired, the bright and dark areas of the eye image are analyzed to obtain the pupil area; the incident optical power and the spot area of the effective light to act on the user's eyes are determined; based on the incident power, the pupil area and the spot area of the effective light, the target detection emission optical power of the effective light is determined; the set emission optical power is acquired, and based on the set emission optical power and the target detection emission optical power, the emission optical power to be adjusted is obtained, so as to adjust the effective light based on the emission optical power to be adjusted. In this application, as long as the target detection emission optical power is obtained through the pupil area, the emission optical power to be adjusted can be obtained based on the set emission power. That is, in this application, based on the change of the pupil area for target detection emission optical power, the effective light of the light source is automatically adjusted, thereby preventing the incident optical power from changing and reducing the safety hazard of the user.

[0150] Further, based on the above embodiments in this application, another embodiment of this application is provided. In this embodiment, the control method of the myopia prevention and control instrument further includes:

[0151] Step D1, when the user is in an open-eye state, record the incident time of the effective light;

[0152] Step D2, accumulate the incident time of the effective light to obtain the incident duration of the effective light;

[0153] Step D3, based on the incident duration of the effective light, determine the energy of the effective light acting on the user's pupil.

[0154] In this embodiment, the eye entry time and the eye entry optical power of the effective light are set in advance through the information input module, that is, the energy of the effective light irradiating the pupil is set. By comparing the bright and dark areas in the user's eye image, it is determined in real time whether the user is in an open-eye state. If the user is in an open-eye state, the eye entry time of the effective light is recorded, and the eye entry time of the effective light is accumulated to obtain the eye entry duration of the effective light. If the effective eye entry duration reaches the set eye entry time, it is determined that the myopia prevention and control instrument has completed its work to ensure that the energy of the effective light irradiating the pupil reaches the energy set by the user, and the completion information is sent to the reminder module of the myopia prevention and control instrument for the myopia prevention and control instrument to remind the user that the work is completed.

[0155] Among them, the energy acting on the user's pupil shall not exceed the set energy.

[0156] Among them, the reminder module of the myopia prevention and control instrument can be an indicator light, voice reminder, vibration reminder, shutdown, etc.

[0157] For example, the eye entry time of the effective light is set in advance to 3 minutes through the information input module. After the myopia prevention and control instrument starts working, the eye opening time is accumulated, and the eye entry time of the effective light is determined through the eye opening time, that is, the eye entry time of the effective light is accumulated. If the myopia prevention and control instrument detects that the user closes their eyes during work, the accumulation of the eye entry time is paused. When the user is detected to be in an open-eye state again, the eye entry time continues to be accumulated. After the eye entry time accumulates to 3 minutes, it is determined that the myopia prevention and control instrument has completed its work, and the completion information is sent to the reminder module.

[0158] In this embodiment, the eye state of the user is judged in real time. If the eye state of the user is in an open-eye state, the eye entry time of the effective light is recorded, and the eye entry time of the effective light is accumulated to obtain the eye entry duration of the effective light. After the eye entry duration just meets the preset eye entry time, the completion information is obtained, and the completion information is sent to the reminder module to further remind the user that the myopia prevention and control instrument has completed its work.

[0159] Further, based on the above-mentioned embodiment in the present application, another embodiment of the present application is provided. In this embodiment, after obtaining the set emission optical power and obtaining the emission optical power to be adjusted based on the set emission optical power and the target detection emission optical power, and performing the step of adjusting the effective light based on the emission optical power to be adjusted, the method includes:

[0160] Step E1, determining the error between the set emission optical power and the optical power of the third incident light;

[0161] Step E2, analyzing the error to obtain the correction information of the light source;

[0162] Step E4, based on the correction information, correcting the error between the set emission optical power and the optical power of the third incident light.

[0163] Among them, the correction information includes the opto - electrical conversion curve.

[0164] In this embodiment, the error between the set emission optical power and the optical power of the third incident light is determined and analyzed to obtain the opto - electrical conversion curve of the light source. When the opto - electrical conversion curve of the light source changes, the opto - electrical conversion curve of the light source is corrected through the control system, that is, the opto - electrical conversion curve of the light source is calibrated, so as to correct the error between the set emission optical power and the optical power of the third incident light.

[0165] Among them, the method for correcting the opto - electrical conversion curve of the light source can be, but is not limited to, adjusting the relationship between the input voltage, current and emission optical power of the light source to correct the opto - electrical conversion curve of the light source.

[0166] Further, based on the above - mentioned embodiment of the present application, another embodiment of the present application is provided. In this embodiment, a control system of a myopia prevention and control instrument is provided. The control system of the myopia prevention and control instrument includes:

[0167] A light source for emitting a first incident light and emitting the first incident light to a beam splitting component;

[0168] A beam splitting component for receiving the first incident light emitted by the light source, performing beam splitting processing on the first incident light based on a second preset angle value to obtain a second incident light and a third incident light, further for transmitting the second incident light to a beam converter, further for reflecting the third incident light to a processor, and further for receiving the eye reflection light of the user's eye focused by the beam converter and reflecting the eye reflection light to an image sensor;

[0169] A beam converter for receiving the second incident light transmitted by the beam splitting component, converting the second incident light into parallel effective light, uniformly irradiating the effective light on the user's eye, and further for converting the parallel eye reflection light into focused light and focusing the focused light onto the beam splitting component;

[0170] An image sensor for receiving the eye reflection light reflected by the beam splitting component, converting the eye reflection light into an eye image of the user's eye, and further for sending the eye image of the user's eye to the processor;

[0171] A processor for receiving the third incident light reflected by the beam splitting component, detecting the optical power of the third incident light, further for receiving the eye image sent by the image sensor to obtain the pupil area, further for determining the target detection emission optical power, and further for adjusting the emission optical power.

[0172] Wherein, the first incident light is subjected to beam splitting processing based on a second preset angle value and transmission processing with a preset transmittance to obtain a second incident light, and a third incident light is obtained by reflecting the first incident light.

[0173] The specific implementation manner of the control system of the myopia prevention and control instrument in this application is basically the same as that of each embodiment of the control method of the myopia prevention and control instrument described above, and will not be elaborated here.

[0174] Refer to Figure 3 , Figure 3 It is a schematic diagram of the device structure of the hardware operating environment involved in the solution of the embodiment of this application.

[0175] As Figure 3 shown, the control device of this myopia prevention and control instrument may include: a processor 1001, such as a CPU, a memory 1005, and a communication bus 1002. Among them, the communication bus 1002 is used to realize the connection and communication between the processor 1001 and the memory 1005. The memory 1005 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as a disk memory. Optionally, the memory 1005 may also be a storage device independent of the aforementioned processor 1001.

[0176] Optionally, the control device of this myopia prevention and control instrument may further include an image sensor, a light source, an optical power detection module, a beam splitting component, a beam converter, an input module, a network interface, sensors, an audio circuit, a WiFi module, etc. The network interface may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface and a Bluetooth interface). The input module may optionally include a keyboard, a system soft keyboard, voice input, wireless reception input, etc. The beam splitting component may optionally include a beam splitting film, a beam splitting prism, and a beam splitter.

[0177] Those skilled in the art can understand that Figure 3 the structure of the control device of the myopia prevention and control instrument shown in

[0178] As Figure 3 shown, the memory 1005, as a storage medium, may include an operating system, a network communication module, and a control program for the myopia prevention and control instrument. The operating system is a program for managing and controlling the hardware and software resources of the control device of the myopia prevention and control instrument, and supports the operation of the control program for the myopia prevention and control instrument and other software and / or programs. The network communication module is used to realize the communication between the components inside the memory 1005 and the communication between other hardware and software in the control system of the myopia prevention and control instrument.

[0179] In Figure 3 In the control device of the myopia prevention and control instrument shown, the processor 1001 is used to execute the control program of the myopia prevention and control instrument stored in the memory 1005, and implement the steps of the control method of the myopia prevention and control instrument described in any one of the above.

[0180] The specific implementation manner of the control device of the myopia prevention and control instrument in this application is basically the same as each embodiment of the above control method of the myopia prevention and control instrument, and will not be repeated here.

[0181] This application also provides a control device for a myopia prevention and control instrument, and the control device for the myopia prevention and control instrument includes:

[0182] An acquisition module, which acquires an eye image of a user, analyzes the bright and dark areas of the eye image, and obtains the pupil area;

[0183] A determination module, which determines the incident light power and the spot area of the effective light to be applied to the user's eyes;

[0184] Based on the incident power, the pupil area, and the spot area of the effective light, determine the target detection emission light power of the effective light;

[0185] A detection module, which acquires the set emission light power, and based on the set emission light power and the target detection emission light power, obtains the emission light power to be adjusted, so as to adjust the effective light based on the emission light power to be adjusted.

[0186] Optionally, the determination module includes:

[0187] A first determination unit, which determines the first incident light for the effective light and determines the first angle value of the first incident light;

[0188] A beam splitting module, which performs beam splitting processing based on a second preset angle value and transmission processing with a preset transmittance on the first incident light to obtain a second incident light;

[0189] A conversion module, which performs conversion processing based on parallel light on the second incident light to obtain the effective light to be applied to the user's eyes;

[0190] A second determination unit, which determines the incident light power of the effective light;

[0191] Based on the transmittance, the first angle value, and the second angle value, obtain the spot area of the effective light to be applied to the user's eyes.

[0192] Optionally, the detection module includes;

[0193] A first acquisition unit, which acquires the set emission light power;

[0194] A reflection module that determines a third incident light obtained after reflecting a first incident light;

[0195] A detection unit that detects the optical power of the third incident light and obtains an error between the set emission optical power and the optical power of the third incident light based on the optical power of the third incident light;

[0196] Based on the error and the target detection emission optical power, obtain the emission optical power to be adjusted.

[0197] Optionally, the acquisition module includes:

[0198] A comparison module that acquires an eye image of the user, compares the bright and dark areas of the eye image, and determines the open / closed eye state of the user;

[0199] When the user is in an open-eye state, obtain the pupil area based on the dark area in the eye image.

[0200] Optionally, the control device of the myopia prevention and control instrument further includes:

[0201] A recording module that records the entry time of the effective light into the eye when the user is in an open-eye state;

[0202] An accumulation module that accumulates the entry time of the effective light into the eye to obtain the entry duration of the effective light into the eye;

[0203] Based on the entry duration of the effective light into the eye, determine the energy of the effective light acting on the user's pupil.

[0204] The specific implementation manner of the control device of the myopia prevention and control instrument in this application is basically the same as that of the embodiments of the above myopia prevention and control method, and will not be elaborated here.

[0205] This application provides a storage medium, and the storage medium stores one or more programs, and the one or more programs can also be executed by one or more processors to implement the steps of the myopia prevention and control method described in any one of the above.

[0206] The specific implementation manner of the storage medium of this application is basically the same as that of the embodiments of the above myopia prevention and control method, and will not be elaborated here.

[0207] This application also provides a computer program product, including a computer program, and when the computer program is executed by a processor, it implements the steps of the above myopia prevention and control method.

[0208] The specific implementation manner of the computer program product of this application is basically the same as that of the embodiments of the above myopia prevention and control method, and will not be elaborated here.

[0209] It should be noted that in this document, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the presence of additional identical elements in the process, method, article or device comprising such element.

[0210] The serial numbers of the above embodiments of the present invention are only for description and do not represent the superiority or inferiority of the embodiments.

[0211] Through the description of the above embodiments, those skilled in the art can clearly understand that the above embodiment methods can be implemented by means of software plus a necessary general hardware platform. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation. Based on such an understanding, the technical solution of the present invention, in essence or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions for causing a terminal device (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in the various embodiments of the present invention.

[0212] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A control system of a myopia prevention and control instrument, characterized in that, The control system of the myopia prevention and control instrument includes: A light source for emitting a first incident light and transmitting the first incident light to a beam splitting component; The beam splitting component is configured to receive the first incident light emitted by the light source, perform beam splitting processing on the first incident light based on a second preset angle value to obtain a second incident light and a third incident light, and is further configured to transmit the second incident light to a beam converter, reflect the third incident light to a processor, receive the eye reflection light of the user's eye focused by the beam converter, and reflect the eye reflection light to an image sensor; The beam converter is configured to receive the second incident light transmitted by the beam splitting component, convert the second incident light into parallel effective light, uniformly irradiate the effective light on the user's eye, and is further configured to convert the parallel eye reflection light into focused light and focus the focused light on the beam splitting component; The image sensor is configured to receive the eye reflection light reflected by the beam splitting component, convert the eye reflection light into an eye image of the user's eye, and send the eye image of the user's eye to the processor; The processor is configured to receive the third incident light reflected by the beam splitting component, detect the optical power of the third incident light, receive the eye image sent by the image sensor to obtain the pupil area, determine the target detection emission optical power, and adjust the emission optical power.

2. The control system of the myopia prevention and control instrument according to claim 1, characterized in that, The beam splitting component is further configured to: Perform beam splitting processing on the first incident light based on a second preset angle value and transmission processing with a preset transmittance to obtain a second incident light, and perform reflection processing on the first incident light to obtain a third incident light.

3. A control method for a myopia prevention and control instrument, characterized in that, The control method of the myopia prevention and control instrument is applied to the control system of the myopia prevention and control instrument according to claim 1 or 2, and the control method of the myopia prevention and control instrument includes: Obtain an eye image of the user's eye, analyze the bright and dark areas of the eye image to obtain the pupil area; Determine the incident optical power and spot area of the effective light to act on the user's eye; Based on the incident optical power, pupil area, and spot area of the effective light, determine the target detection emission optical power of the effective light; Obtain the set emission optical power, and based on the set emission optical power and the target detection emission optical power, obtain the emission optical power to be adjusted, so as to adjust the effective light based on the emission optical power to be adjusted.

4. The control method of the myopia prevention and control instrument according to claim 3, wherein, The step of determining the incident optical power and spot area of the effective light to act on the user's eye includes: Determine the first incident light for the effective light and determine the first angle value of the first incident light; Perform beam splitting processing on the first incident light based on a second preset angle value and transmission processing with a preset transmittance to obtain a second incident light; Perform conversion processing on the second incident light based on parallel light to obtain the effective light to act on the user's eye; Determine the incident optical power of the effective light; Based on the transmittance, the first angle value, and the second preset angle value, obtain the spot area of the effective light to act on the user's eye.

5. The control method of the myopia prevention and control instrument according to claim 4, characterized in that, The steps of obtaining the set emission optical power and obtaining the emission optical power to be adjusted based on the set emission optical power and the target detection emission optical power include: Obtain the set emission optical power; Determine the third incident light obtained after reflecting the first incident light; Detect the optical power of the third incident light, and based on the optical power of the third incident light, obtain the error between the set emission optical power and the optical power of the third incident light; Based on the error and the target detection emission optical power, obtain the emission optical power to be adjusted.

6. The control method of the myopia prevention and control instrument according to claim 3, characterized in that, The steps of obtaining the eye image of the user, analyzing the bright and dark areas of the eye image, and obtaining the pupil area include: Obtain the eye image of the user, compare the bright and dark areas of the eye image, and determine the open / closed eye state of the user; When the user is in the open eye state, obtain the pupil area based on the dark area in the eye image.

7. The control method of the myopia prevention and control instrument according to claim 3, characterized in that, The control method of the myopia prevention and control instrument further includes: When the user is in the open eye state, record the incident time of the effective light into the eye; Accumulate the incident time of the effective light into the eye to obtain the incident duration of the effective light into the eye; Based on the incident duration of the effective light into the eye, determine the energy of the effective light acting on the pupil of the user.

8. A control device for a myopia prevention and control instrument, characterized in that, The control device of the myopia prevention and control instrument is applied to the control system of the myopia prevention and control instrument as described in claim 1, and the control device of the myopia prevention and control instrument includes: An acquisition module that acquires the eye image of the user, analyzes the bright and dark areas of the eye image, and obtains the pupil area; A determination module that determines the incident optical power and the spot area of the effective light to be applied to the user's eye; Based on the incident optical power, the pupil area, and the spot area of the effective light, determine the target detection emission optical power of the effective light; A detection module that acquires the set emission optical power, and based on the set emission optical power and the target detection emission optical power, obtains the emission optical power to be adjusted, so as to adjust the effective light based on the emission optical power to be adjusted.

9. A control device for a myopia prevention and control instrument, characterized in that, The control device of the myopia prevention and control instrument includes: a memory, a processor, and a program stored on the memory for implementing the control method of the myopia prevention and control instrument, The memory is used to store the program for implementing the control method of the myopia prevention and control instrument; The processor is used to execute the program for implementing the control method of the myopia prevention and control instrument to implement the steps of the control method of the myopia prevention and control instrument as described in any one of claims 4 to 7.

10. A storage medium, characterized in that, A program for implementing the control method of the myopia prevention and control instrument is stored on the storage medium, and the program for implementing the control method of the myopia prevention and control instrument is executed by the processor to implement the steps of the control method of the myopia prevention and control instrument as described in any one of claims 4 to 7.

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