An image display method and system for stimulating the human eye based on regional control

Abstract

The present disclosure belongs to the field of image display, and particularly relates to a human eye stimulation image display method and system based on area control, which comprises the following steps: obtaining a first field of view angle of a first area of a human eye retina, and obtaining a first imaging area corresponding to the first area according to the first field of view angle; presenting a first image in the first imaging area, wherein the first image comprises a first primary color and a second primary color, the wavelength of the first primary color is longer than the wavelength of the second primary color by more than 130 nm, and the whole first primary color and the whole second primary color in the first image have a myopic defocus ratio for forming an axial chromatic aberration; obtaining a second field of view angle of a second area, and obtaining a second imaging area corresponding to the second area according to the second field of view angle; and presenting a second image with defocus in the second imaging area, wherein the second image has a light-dark contrast and a preset blur degree. Different stimulations are performed for different areas, and then the eye axis elongation is inhibited.

Description

Technical Field

[0001] This disclosure pertains to the field of image display, and more specifically relates to a method and system for displaying human eye-stimulated images based on region control. Background Technology

[0002] Based on the distribution of cone and rod cells in the human eye, different regions exhibit varying sensitivities to different physical quantities. Furthermore, according to neurophysiological principles and clinical experimental results, the human optic nerve system produces a corresponding LCA effect in response to certain combinations of wavelengths (colors) in an image, focusing different colors of light onto different focal planes in the eye. Shorter wavelengths focus forward, while longer wavelengths focus backward. The different focal points of different light sources create a defocus difference, stimulating the optic nerve and subsequently modulating the eye's refractive system through central nervous system processing.

[0003] Based on the above principles, applying stimulation to a specific area can have a better stimulating effect on the eyes, thereby improving the condition of the eyes. Summary of the Invention

[0004] This disclosure is made in response to the aforementioned needs of the prior art. The technical problem to be solved by this disclosure is to provide a method and system for displaying human eye stimulation images based on regional control, so as to provide appropriate stimulation to different regions of the human eye to inhibit axial elongation.

[0005] To address the aforementioned problems, the technical solutions provided in this disclosure include:

[0006] A method for displaying human eye-stimulated images based on region control is provided, characterized by comprising: obtaining a first field of view corresponding to a first region of the human eye's retina; obtaining a first imaging region corresponding to the first region based on the first field of view; presenting a first image within the first imaging region, the first image comprising a first primary color and a second primary color, wherein the wavelength of the first primary color is more than 130 nm longer than the wavelength of the second primary color; wherein the first primary color and the second primary color in the first image have a myopic defocus ratio that forms an axial color difference; obtaining a second field of view corresponding to a second region of the human eye's retina; obtaining a second imaging region corresponding to the second region based on the second field of view; and presenting a second image forming defocus within the second imaging region, wherein the content of the second image has brightness contrast and a preset blur.

[0007] By simultaneously achieving myopia defocus and peripheral defocus through the above settings, the elongation of the axial length of the eye can be effectively suppressed. Different images are displayed at different locations, and targeted and stimulating images are presented according to the properties of cone cells and rod cells distributed in different locations, which has a better effect on suppressing the axial length of the eye or even shortening it.

[0008] Preferably, the first region includes the fovea region of the human eye, and the second region includes the fovea region near the center of the human eye.

[0009] The fovea region contains only cone cells and no rod cells. Cone cells have a strong ability to distinguish bright light and color, so the first region displays an image with axial chromatic aberration that can cause myopic defocus. The number of cone cells in the near-fovea region is much smaller than that in the fovea region, but it has more rod cells. Rod cells are highly sensitive to dim light, so the second region displays an image with contrast and blur to form peripheral defocus stimulation.

[0010] Preferably, the first region further includes the concave region of the human eye.

[0011] Preferably, obtaining the first imaging region corresponding to the first region based on the first field of view includes determining the first imaging region corresponding to the first region based on the first field of view and the imaging distance using trigonometric function relationships; obtaining the second imaging region corresponding to the second region based on the second field of view includes determining the second imaging region corresponding to the second region based on the second field of view and the imaging distance using trigonometric function relationships.

[0012] Preferably, determining the first imaging region corresponding to the first region based on the first field of view and imaging distance using trigonometric functions includes obtaining a first circular region corresponding to the first region based on the first field of view and imaging distance, wherein the radius of the first circular region is... Where r1 is the radius of the first circular region, L is the imaging distance, α is the first field of view, and α≤9°; the diameter of the first circular region is used as the width of the first imaging region, and the aspect ratio of the display screen is used as the aspect ratio of the first imaging region to determine the size of the first imaging region; the center of the first circular region coincides with the center of the display screen to determine the position of the first imaging region.

[0013] The imaging position and size of the first imaging area are obtained through the above method, and are adapted to the display screen for easy size adjustment.

[0014] Preferably, determining the second imaging region corresponding to the second region based on the second field of view and imaging distance using trigonometric functions includes obtaining a second circular region corresponding to the second region based on the second field of view and imaging distance, wherein the radius of the second circular region is... Where r2 is the radius of the second circular region, L is the imaging distance, β is the first field of view, and 9° < β ≤ 19°; the center of the second circular region coincides with the center of the first circular region, and the second imaging region includes the remaining region after removing the first circular region from the second circular region.

[0015] The second imaging region is formed in the above manner and is set around the center of the first imaging region, generating peripheral defocus in the area where rod cells are densely distributed.

[0016] Preferably, the second image includes multiple micro-stimulation images, which are evenly distributed in the second imaging region, and the micro-stimulation images have brightness contrast and preset blur.

[0017] Preferably, the display image of the display screen is acquired; the display image is formed into a first image in a manner that presents the display image within the first imaging area according to a scaling ratio; wherein the scaling ratio is obtained based on the first imaging area and the size of the display screen.

[0018] This setup allows for quick and easy switching of the displayed image to directly image within the first area.

[0019] Preferably, obtaining the first imaging region corresponding to the first region based on the first field of view includes: acquiring the position coordinates of the stimulated point in the first region, denoted as (δ, θ), where δ is the field of view of the stimulated point, and θ is the angle between the line connecting the stimulated point and the center of the eye, and a horizontal line extending horizontally to the right with the center of the eye as the origin; obtaining the first position on the display screen at the stimulated point, denoted as (r′, θ′), where r′ is the distance between the first position and the center of the display screen, denoted as... L is the distance between the human eye and the display screen, θ′ is the angle between the line connecting the first position and the center point of the display screen and the horizontal line extending horizontally to the right with the center point of the display screen as the origin, and θ′=θ+180°; the second region surrounds the first region, and the second region is connected to the first region.

[0020] The above method can be used to accurately determine the location on the display screen corresponding to the stimulation point, so as to provide appropriate stimulation in a targeted manner.

[0021] Preferably, the defocus ratio changes periodically over time; at the beginning of a cycle, the defocus ratio starts to change from an initial ratio; within a cycle, the ratio of the light intensity of the first primary color in the defocus ratio increases over time, while the ratio of the light intensity of the second primary color decreases over time; the overall brightness of the first image varies within the range of 200 nits to 300 nits.

[0022] The above settings provide a dynamic adjustment process, offering viewers a buffer and a better user experience. They also increase viewers' viewing time to some extent, thus better inhibiting axial elongation.

[0023] A1. A human eye stimulation image display system based on region control, characterized in that it comprises:

[0024] The first acquisition module obtains the first field of view of the first region of the human eye's retina;

[0025] The first imaging module obtains a first imaging region corresponding to the first region based on the first field of view; presents a first image within the first imaging region, the first image including a first primary color and a second primary color, the wavelength of the first primary color being more than 130nm longer than the wavelength of the second primary color; the first primary color and the second primary color in the first image have a myopic defocus ratio that forms an axial color difference.

[0026] The second acquisition module obtains the second field of view of the second region of the human eye's retina;

[0027] The second imaging module obtains a second imaging region corresponding to the second region based on the second field of view; and presents a defocused second image within the second imaging region, the content of which has brightness contrast and a preset blur.

[0028] as well as

[0029] The display screen shows the first image and the second image.

[0030] A2. A human eye stimulation image display system based on region control according to A1, characterized in that the first region includes the central fovea region of the human eye, and the second region includes the near-central fovea region of the human eye.

[0031] A3. A human eye stimulation image display system based on region control as described in A2, characterized in that the first region further includes the concave region of the human eye.

[0032] A4. A human eye stimulation image display system based on region control as described in A3, characterized in that...

[0033] Obtaining the first imaging region corresponding to the first region based on the first field of view includes determining the first imaging region corresponding to the first region based on the first field of view and the imaging distance using trigonometric function relationships;

[0034] Obtaining a second imaging region corresponding to the second region based on the second field of view includes determining the second imaging region corresponding to the second region based on the second field of view and the imaging distance using trigonometric function relationships.

[0035] A5. A human eye stimulation image display system based on region control as described in A4, characterized in that...

[0036] The step of determining the first imaging region corresponding to the first region based on the first field of view and imaging distance using trigonometric function relationships includes...

[0037] A first circular region corresponding to the first region is obtained based on the first field of view and the imaging distance, and the radius of the first circular region is... Where r1 is the radius of the first circular region, L is the imaging distance, α is the first field of view, and α≤9°;

[0038] The size of the first imaging area is determined by using the diameter of the first circular area as the width of the first imaging area and the aspect ratio of the display screen as the aspect ratio of the first imaging area; the center of the first circular area coincides with the center of the display screen to determine the position of the first imaging area.

[0039] A6. A human eye stimulation image display system based on region control as described in A5, characterized in that,

[0040] The step of determining the second imaging region corresponding to the second region based on the second field of view and imaging distance using trigonometric function relationships includes...

[0041] A second circular region corresponding to the second region is obtained based on the second field of view and the imaging distance, and the radius of the second circular region is... Where r2 is the radius of the second circular region, L is the imaging distance, β is the first field of view, and 9° < β ≤ 19°;

[0042] The center of the second circular region coincides with the center of the first circular region, and the second imaging region includes the remaining region after removing the first circular region from the second circular region.

[0043] A7. A human eye stimulation image display system based on region control as described in A4, characterized in that...

[0044] The second image includes multiple micro-stimulation images, which are evenly distributed in the second imaging area. The micro-stimulation images have brightness contrast and preset blur.

[0045] A8. A human eye stimulation image display system based on region control according to A5, characterized in that the system further includes:

[0046] An image acquisition module is used to acquire the display image of the display screen;

[0047] The scaling module is based on the first imaging area and the size of the display screen; the display image is formed into a first image according to the scaling ratio so that the display image is presented in the first imaging area.

[0048] A9. A human eye stimulation image display system based on region control according to A1, characterized in that,

[0049] The first imaging region corresponding to the first region obtained based on the first field of view includes:

[0050] The position coordinates of the stimulated point in the first region are obtained and represented as (δ, θ), where δ is the field of view angle of the stimulated point and θ is the angle between the line connecting the stimulated point and the center of the eye and the horizontal line extending horizontally to the right with the center of the eye as the origin.

[0051] Based on the location of the stimulated point, a first position on the display screen at that location is obtained, denoted as (r′, θ′), where r′ is the distance between the first position and the center point of the display screen, expressed as... L is the distance between the human eye and the display screen, and θ′ is the angle between the line connecting the first position and the center point of the display screen and the horizontal line extending horizontally to the right with the center point of the display screen as the origin, and θ′=θ+180°;

[0052] The second region surrounds the first region and is adjacent to the first region.

[0053] A10. A human eye stimulation image display system based on region control as described in A2 or A9, characterized in that,

[0054] The defocus ratio of myopia changes periodically over time; at the beginning of a cycle, the defocus ratio starts to change from an initial ratio; within a cycle, the ratio of the light intensity of the first primary color in the defocus ratio increases over time, while the ratio of the light intensity of the second primary color decreases over time.

[0055] The overall brightness of the first image varies between 200 nits and 300 nits.

[0056] Compared with existing technologies, this disclosure has the ability to specifically divide imaging regions corresponding to relevant areas in the eye and present different images; an axial chromatic aberration image is formed at the center of the screen to create a myopic defocus image, and a peripheral micro-stimulation image is formed around the center of the screen to create a peripheral defocus image. The combination of the two can effectively inhibit the elongation of the axial length of the eye and even achieve the effect of shortening the axial length of the eye; the position of the stimulated point in the fovea and concave regions is determined according to the pinhole imaging principle, so as to stimulate the stimulated point accordingly. Attached Figure Description

[0057] To more clearly illustrate the technical solutions in the embodiments of this specification or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the embodiments of this specification. For those skilled in the art, other drawings can be obtained based on these drawings.

[0058] Figure 1 This is a schematic diagram illustrating the principle of myopia defocus.

[0059] Figure 2 This is a schematic diagram illustrating the principle of peripheral defocusing.

[0060] Figure 3 This is a flowchart of the steps of the human eye stimulation image display method based on region control disclosed herein;

[0061] Figure 4 This is a schematic diagram of some human eye regions in an embodiment of this disclosure;

[0062] Figure 5 A schematic diagram showing the regional distribution of cone cells and rod cells in the human eye;

[0063] Figure 6 This is a schematic diagram showing the focal positions of two primary colors when they enter the human eye in an embodiment of this disclosure;

[0064] Figure 7 This is a schematic diagram showing the focal position of the two primary colors at a certain moment when the defocus ratio changes in an embodiment of this disclosure;

[0065] Figure 8 This is a schematic diagram illustrating the correspondence between the stimulated point and the display screen in an embodiment of this disclosure;

[0066] Figure 9 This is a schematic diagram of the human eye stimulation image display system based on region control disclosed herein. Detailed Implementation

[0067] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0068] The widespread use of display devices has increased the burden on the human eye. Under conditions of prolonged close-range observation, the ciliary body needs to change the shape of the lens in order for the image entering the eye to fall on the retina, thus affecting the focal length of the lens. If the eye is in a state of accommodation for a long time, and the ciliary body remains in an overly tense state, it is prone to developing into true myopia. This phenomenon is becoming increasingly common, especially among adolescents and children.

[0069] Axial myopia defocusing has been shown to have a certain effect on inhibiting myopia. Its working principle is as follows: Figure 1 As shown, when the human eye focuses on an image plane, that image plane can be clearly imaged on the retina 1, and is called the principal image plane. If, through optical means, another image plane is presented in front of the retina 1 when the principal image plane falls on the retina 1, it is called the defocus image plane. At this time, the two image planes work together to form axial myopic defocus, which makes the eye want to see the image presented in front of the retina 1 clearly, causing the retina 1 to move forward to inhibit the elongation of the eye axis, and may even reduce the degree of myopia.

[0070] Different colors of light have different wavelengths and different refractive indices in the same medium, causing them to focus at different locations when they enter the eye. When more than one color of light enters the eye, the image of the longest wavelength light will fall behind, and the image of the shortest wavelength light will fall in front. These two colors of light form different focal points on the axis, creating axial chromatic aberration. Furthermore, if the focal point of light falling behind the retina can be moved forward to the retina, the focal point of light that was originally focused in front of the retina will also move forward, away from the retina, thus causing myopic defocus.

[0071] In addition, peripheral defocus also plays a role in inhibiting axial elongation. Its working principle is as follows: Figure 2 As shown, by means of optical means, the image of the area located on the periphery of the area corresponding to the central field of vision is placed in front of the retina, so as to stimulate the eye to adjust and project the image of the peripheral area onto the retina, thereby causing the retina to tend to move forward, inhibiting the elongation of the eye axis, and even causing the eye axis to shorten, thereby achieving the effect of reducing the degree of myopia.

[0072] To facilitate understanding of the embodiments of this application, the following will provide further explanation and description with reference to the accompanying drawings and specific embodiments. These embodiments do not constitute a limitation on the embodiments of this application.

[0073] Example 1

[0074] This embodiment provides a method for displaying human eye stimulation images based on region control, such as... Figure 3-8 As shown.

[0075] like Figure 3 As shown, the human eye stimulation image display method based on region control includes:

[0076] Obtain the first field of view of the first region of the human eye's retina, and obtain the first imaging region corresponding to the first region based on the first field of view.

[0077] like Figure 4 and Figure 5 As shown, the first region includes the fovea region 2. At the posterior pole of the human retina is a shallow, funnel-shaped depression approximately 2 mm in diameter, rich in lutein, called the macula. In the center of the macula is a small depression called the fovea. The macula is avascular, containing only cone cells 3 and no rod cells 4. Light can directly reach the cone cells 3, which have a high resolution for strong light and color. Therefore, the fovea region 2 is the area of ​​highest visual acuity on the retina. Rod cells 4 are cells that sense weak light stimuli, have low light resolution, imperfect color vision, and are sensitive to dim light; they are distributed around the fovea. The fovea region roughly corresponds to a visual field of 0°-5°.

[0078] The first region also includes a secondary foveal region 5, which is connected to the central foveal region 2. The number of cone cells 3 in the secondary foveal region 5 is less than that in the central foveal region 2, and it also includes rod cells 4. Its ability to resolve strong light and color is not as high as that in the central foveal region, but it has a certain sensitivity to dim light. The secondary foveal region 5 basically corresponds to a field of view of 5°-9°.

[0079] When the first region includes only the central concave region 2, the range of the first field of view is 0°-5°; when the first region includes the central concave region 2 and the secondary concave region 5, the range of the first field of view is 0°-9°.

[0080] A first imaging region is obtained based on a first field of view. That is, when a viewer views the image in a natural state, the image in the first imaging region will fall within the first region. The natural state includes viewing the image when the viewer's eyes are relaxed, without any deliberate human control.

[0081] There is a projection relationship between the first region and the first imaging region. Therefore, the first imaging region, obtained based on the first field of view, includes the first imaging region corresponding to the first region, determined using trigonometric functions based on the first field of view and the imaging distance. Further, the radius of the first circular region is obtained based on the first field of view and the imaging distance. Where r1 is the radius of the first circular region, L is the imaging distance, α is the first field of view angle, and α≤9°.

[0082] The image will be displayed on any existing display screen. The screen size is obtained, and the aspect ratio of the screen is determined based on the screen size. The aspect ratio of the first imaging area is set to be the same as that of the display screen. The width of the first imaging area is equal to the diameter of the first circular area, and the length of the first imaging area is derived from the aspect ratio. Thus, the size of the first imaging area is obtained. Furthermore, the center of the first imaging area coincides with the center of the display screen, thus determining the position of the first imaging area.

[0083] In addition to the central fovea region and the secondary fovea region described above, the first region also includes a region with the stimulated point located in the first region as the center and a preset value as the radius.

[0084] like Figure 8 As shown, further, the position coordinates of the stimulated point 7 in the first region are obtained, denoted as (δ, θ), where δ is the field of view angle of the stimulated point 7, and θ is the angle between the line connecting the stimulated point 7 and the center point of the eye, and the horizontal line extending horizontally to the right with the center of the eye as the origin. Based on the pinhole imaging principle, a first position on the display screen 8 corresponding to the position of the stimulated point 7 is obtained, denoted as (r′, θ′), where r′ is the distance between the first position and the center point of the display screen 8, denoted as... L is the distance between the human eye and the display screen 8, and θ′ is the angle between the line connecting the first position and the center point of the display screen 8 and the horizontal line extending horizontally to the right with the center point of the display screen 8 as the origin, and θ′=θ+180°.

[0085] Specifically, the imaging area in the eye is divided into four quadrants, and the display screen 8 is also divided into four quadrants accordingly. When the stimulated point 7 is located in the first quadrant, and the angle between the line connecting the stimulated point 7 and the center point of the eye and the line extending horizontally to the right from the center point of the eye is θ, the image formed by the corresponding first imaging area on the display screen 8 can accurately stimulate the stimulated point 7 in the eye. According to the pinhole imaging principle, the first imaging area should be located in the third quadrant, and the angle between the center of the first imaging area and the line extending horizontally to the right from the center point of the display screen 8 is θ′, where θ′=θ+180°.

[0086] For example, when the field of view corresponding to the location of the stimulated point 7 is 5° and θ = 30°, in order to stimulate the point, a first imaging area corresponding to it should be determined on the display screen 8. The angle between the center of the first imaging area and the positive x-axis direction is 210°, and the distance between the center of the first imaging area and the origin is r′ = L × 0.268.

[0087] A first image is presented within the first imaging region. The first image includes a first primary color and a second primary color, wherein the wavelength of the first primary color is more than 130 nm longer than the wavelength of the second primary color. The first image contains both the first and second primary colors in a myopic defocus ratio that creates axial color difference. This configuration allows for targeted stimulation of the first region, resulting in a better effect of inhibiting axial elongation.

[0088] The wavelength difference between the wavelengths of the first primary color and the second primary color in the first image enables these two primary colors to be imaged by the human eye, with reference to... Figure 6 The focal point of the second primary color falls in front of the retina, and the focal point of the first primary color falls behind the retina. The distance between the focal points of these two primary colors is sufficient to cause myopia defocus in the human eye.

[0089] The primary colors include primary colors based on additive color mixing. Each primary color includes a first primary color having a first wavelength, a second primary color having a second wavelength, and a third primary color having a third wavelength. The first wavelength is 625nm–740nm, the second wavelength is 492–455nm, and the third wavelength is 577nm–492nm.

[0090] The overall proportion of the first and second primary colors creates a myopic defocus ratio that results in axial chromatic aberration. This ensures that when light of the first primary color enters the eye, it forms an image on the retina, while light of the second primary color forms an image in front of the retina. This myopic defocus effectively inhibits axial elongation. Furthermore, when the wavelength of a certain light constitutes a large proportion of the spectrum entering the eye, the eye can focus on that light, meaning the focal point will fall on the retina. Based on this principle, by increasing the proportion of the first primary color in the spectrum entering the eye and decreasing the proportion of the second primary color, or by increasing the proportion of the first primary color while decreasing the proportion of the second primary color, the focal point formed by the light of the first primary color entering the eye can be maximized to fall on the retina.

[0091] The defocus ratio changes over time. During this change, the proportion of the first primary color's light intensity within the defocus ratio increases over time, while the proportion of the second primary color's light intensity decreases over time. This setting is intended to increase the amount of red light stimulation received by the human eye. As the proportion of the first primary color's light intensity increases, such as... Figure 7 As shown, the eye gradually tends to focus clearly on the light of the first primary color. That is, the focal point of the light of the first primary color entering the eye gradually moves from behind the retina towards the retina, while the focal point of the second primary color gradually moves from in front of the retina away from the retina. This exacerbates the degree of defocus in myopia and increases the stimulation required to shorten the axial length of the eye in order to inhibit axial elongation. The change in the defocus ratio over time provides the eye with a gradual process and time to adapt to the enhancement of red light, allowing it to gradually receive the color change. While ensuring a good viewing experience, this subtly prolongs the viewing time during observation, thus better inhibiting axial elongation.

[0092] Furthermore, the defocus ratio changes periodically over time. Specifically, within one cycle, the initial defocus ratio is the initial ratio, in which the ratio of the light intensity of the first primary color increases over time, while the ratio of the light intensity of the second primary color decreases over time. At the start of the next cycle, the ratio of the light intensity of the first primary color abruptly decreases to the ratio corresponding to the initial ratio, while the ratio of the light intensity of the second primary color abruptly increases to the ratio corresponding to the initial ratio. This arrangement allows the human eye time to receive cyclical stimuli and then rest, providing the observer with a good visual experience.

[0093] The display image of the display screen is acquired, and a scaling ratio is obtained based on the first imaging area and the size of the display screen; the display image forms a first image within the first imaging area according to the scaling ratio.

[0094] This configuration allows the display image to be directly compressed within the first imaging area. At the same time, the first primary color and the second primary color in the display image are set to have a myopic defocus ratio that forms an axial color difference, so that the compressed display image can specifically generate myopic defocus in the first area, effectively suppressing the elongation of the eye axis.

[0095] Obtain the second field of view of the second region of the human eye's retina, and obtain the second imaging region corresponding to the second region based on the second field of view.

[0096] like Figure 4 and Figure 5As shown, the second region includes a near-foveal region 6, which is adjacent to the secondary foveal region 5. The number of cone cells 3 in the near-foveal region 6 is much smaller than that in the secondary foveal region 5, and decreases from the center to both sides. The near-foveal region 6 has a larger number of rod cells. That is, the resolution of strong light and color in the second region is much smaller than that in the first region, but the sensitivity of the second region to dim light is much greater than that of the first region. The near-foveal region 6 basically corresponds to a field of view of 9°-19°.

[0097] The second imaging region is obtained based on the second field of view. That is, when the viewer views the image in a natural state, the image in the second imaging region will be within the second region.

[0098] Based on the first field of view and imaging distance, a first imaging region corresponding to the first region is determined using trigonometric functions. Furthermore, the radius of the first circular region is obtained based on the first field of view and imaging distance. r2 is the radius of the second circular region, L is the imaging distance, β is the first field of view, and 9° < β ≤ 19°. The second imaging region includes the region remaining after removing the first circular region from the second circular region.

[0099] For the stimulated point, the second region surrounds the center of the first region and is connected to the first region to form defocus near the stimulated point.

[0100] The second image comprises multiple micro-stimulation images uniformly distributed within the second imaging region. These micro-stimulation images possess contrast and a preset blur level. The peripheral defocused stimulation pattern with blur level simulates the state of an image projected in front of the human retina, causing the retina to tend to move forward, inhibiting axial elongation, and even shortening the axial length, thereby reducing the degree of myopia. The micro-stimulation pattern, through its blur level, simulates the image presented by peripheral objects in front of the retina, making the eye perceive an image falling in front of the retina, generating a forward-moving force, and thus inhibiting axial elongation.

[0101] While myopic defocus occurs in the first region, peripheral defocus occurs in the second region. Under the combined stimulation of the two, the axial length of the eye can be effectively prevented from elongating, and may even be shortened.

[0102] By uniformly placing the microstimulation image within the second imaging area, a uniform and balanced peripheral defocus stimulus can be generated in the human eye. This uniform stimulus provides a good viewing experience, encouraging prolonged viewing and thus enhancing the inhibition of axial elongation, potentially even slowing the progression of myopia. For example, the microstimulation image can be a circular image of withered leaves or a black-and-white Maltese cross image.

[0103] The overall brightness of the first image varies between 200 nits and 300 nits. When the brightness of the video being viewed changes, it can stimulate the optic nerve. When the brightness frequency change is around 2 Hz, the stimulation effect is more obvious, which can prevent the axial length of the human eye's refractive system from elongating, or even shorten it. Correspondingly, the overall brightness variation is controlled between 200 nits and 300 nits.

[0104] Example 2

[0105] This embodiment provides a human eye stimulation image display system based on region control, such as... Figure 9 As shown.

[0106] The human eye stimulation image display system based on region control includes: a display screen, a first acquisition module, a first imaging module, a second acquisition module, and a second imaging module.

[0107] The display screen displays images in a controlled manner.

[0108] The display acquisition module includes a size acquisition module and an image acquisition module, wherein the size acquisition module acquires the display screen, and the image acquisition module is used to acquire the display image presented on the display screen.

[0109] The first acquisition module acquires the first field of view of the first region on the human eye's retina.

[0110] The first imaging module obtains a first imaging region corresponding to the first region based on the first field of view, and presents a first image in the first imaging region of the display screen.

[0111] The second acquisition module acquires the second field of view of the second region of the human eye's retina.

[0112] The second imaging module obtains a second imaging region corresponding to the second region based on the second field of view, and presents a second image in the second imaging region of the display screen.

[0113] The scaling module obtains a scaling ratio based on the first imaging area and the size of the display screen, and forms a first image within the first imaging area based on the scaling ratio of the displayed image on the display screen.

[0114] The acquisition content of the first acquisition module and the second acquisition module is the same as that in Embodiment 1, and the imaging process of the first imaging module and the second imaging module is also the same as that in Embodiment 1, so it will not be described here.

[0115] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this application. It should be understood that the above description is only a specific embodiment of this application and is not intended to limit the scope of protection of this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A method for displaying human eye-stimulated images based on region control, characterized in that, include: Obtain a first field of view corresponding to a first region of the human eye's retina, and obtain a first imaging region corresponding to the first region based on the first field of view; The first region includes the fovea region of the human eye, and the second region includes the near-fovea region of the human eye; A first image is presented within the first imaging area. The first image includes a first primary color and a second primary color. The wavelength of the first primary color is more than 130 nm longer than the wavelength of the second primary color. The first primary color and the second primary color in the first image have a myopic defocus ratio that forms an axial color difference. Obtain a second field of view corresponding to a second region of the human eye's retina, and obtain a second imaging region corresponding to the second region based on the second field of view; A second image is formed out of focus within the second imaging area. The content of the second image has contrast between light and dark and has a preset blur.

2. The method for displaying human eye stimulation images based on region control according to claim 1, characterized in that, The first region also includes the concave region of the human eye.

3. The method for displaying human eye stimulation images based on region control according to claim 2, characterized in that, Obtaining the first imaging region corresponding to the first region based on the first field of view includes determining the first imaging region corresponding to the first region based on the first field of view and the imaging distance using trigonometric function relationships; Obtaining a second imaging region corresponding to the second region based on the second field of view includes determining the second imaging region corresponding to the second region based on the second field of view and the imaging distance using trigonometric function relationships.

4. The method for displaying human eye stimulation images based on region control according to claim 3, characterized in that, The step of determining the first imaging region corresponding to the first region based on the first field of view and imaging distance using trigonometric function relationships includes... A first circular region corresponding to the first region is obtained based on the first field of view and the imaging distance, and the radius of the first circular region is... ,in Let L be the radius of the first circular region and L be the imaging distance. As the first field of view, 9°; The size of the first imaging area is determined by using the diameter of the first circular area as the width of the first imaging area and the aspect ratio of the display screen as the aspect ratio of the first imaging area; the center of the first circular area coincides with the center of the display screen to determine the position of the first imaging area.

5. The method for displaying human eye stimulation images based on region control according to claim 4, characterized in that, The step of determining the second imaging region corresponding to the second region based on the second field of view and imaging distance using trigonometric function relationships includes... A second circular region corresponding to the second region is obtained based on the second field of view and the imaging distance, and the radius of the second circular region is... ,in Let L be the radius of the second circular region, and L be the imaging distance. The first field of view is 9°. 19°; The center of the second circular region coincides with the center of the first circular region, and the second imaging region includes the remaining region after removing the first circular region from the second circular region.

6. The method for displaying human eye stimulation images based on region control according to claim 3, characterized in that, The second image includes multiple micro-stimulation images, which are evenly distributed in the second imaging area. The micro-stimulation images have brightness contrast and preset blur.

7. The method for displaying human eye stimulation images based on region control according to claim 4, characterized in that, Acquire the display image of the display screen; The display image is formed into a first image in a manner that presents the display image within the first imaging area according to a scaling ratio; wherein the scaling ratio is obtained based on the first imaging area and the display screen size.

8. The method for displaying human eye stimulation images based on region control according to claim 1, characterized in that, The first imaging region corresponding to the first region obtained based on the first field of view includes: Obtain the position coordinates of the stimulated point in the first region, denoted as: ,in The field of view is the location of the stimulated point. The angle between the line connecting the stimulated point and the center of the eye and the horizontal line extending horizontally to the right with the center of the eye as the origin; Based on the location of the stimulated point, a first position on the display screen at that location is obtained, and the first position is denoted as... ,in The distance between the first position and the center point of the display screen is denoted as . L is the distance between the human eye and the display screen. Let be the angle between the line connecting the first position and the center point of the display screen, and the horizontal line extending horizontally to the right with the center point of the display screen as the origin. ; The second region surrounds the first region and is adjacent to the first region.

9. A method for displaying human eye stimulation images based on region control according to claim 1 or 8, characterized in that, The defocus ratio of myopia changes periodically over time; at the beginning of a cycle, the defocus ratio starts to change from an initial ratio; within a cycle, the ratio of the light intensity of the first primary color in the defocus ratio increases over time, while the ratio of the light intensity of the second primary color decreases over time. The overall brightness of the first image varies between 200 nits and 300 nits.

10. A human eye stimulation image display system based on region control, characterized in that, include: The first acquisition module obtains a first field of view of a first region of the human eye's retina; the first region includes the fovea region of the human eye. The first imaging module obtains a first imaging region corresponding to the first region based on the first field of view; presents a first image within the first imaging region, the first image including a first primary color and a second primary color, the wavelength of the first primary color being more than 130nm longer than the wavelength of the second primary color; the first primary color and the second primary color in the first image have a myopic defocus ratio that forms an axial color difference. The second acquisition module obtains the second field of view of the second region of the human eye's retina; the second region includes the near-foveal region of the human eye; The second imaging module obtains a second imaging region corresponding to the second region based on the second field of view. A second image is formed in the second imaging area, which is out of focus. The content of the second image has brightness and darkness contrast and has a preset blur. as well as The display screen shows the first image and the second image.

11. A human eye stimulation image display system based on region control according to claim 10, characterized in that, The first region also includes the concave region of the human eye.

12. The human eye stimulation image display system based on region control according to claim 11, characterized in that, Obtaining the first imaging region corresponding to the first region based on the first field of view includes determining the first imaging region corresponding to the first region based on the first field of view and the imaging distance using trigonometric function relationships; Obtaining a second imaging region corresponding to the second region based on the second field of view includes determining the second imaging region corresponding to the second region based on the second field of view and the imaging distance using trigonometric function relationships.

13. A human eye stimulation image display system based on region control according to claim 12, characterized in that, The step of determining the first imaging region corresponding to the first region based on the first field of view and imaging distance using trigonometric function relationships includes... A first circular region corresponding to the first region is obtained based on the first field of view and the imaging distance, and the radius of the first circular region is... ,in Let L be the radius of the first circular region and L be the imaging distance. As the first field of view, 9°; The size of the first imaging area is determined by using the diameter of the first circular area as the width of the first imaging area and the aspect ratio of the display screen as the aspect ratio of the first imaging area; the center of the first circular area coincides with the center of the display screen to determine the position of the first imaging area.

14. A human eye stimulation image display system based on region control according to claim 13, characterized in that, The step of determining the second imaging region corresponding to the second region based on the second field of view and imaging distance using trigonometric function relationships includes... A second circular region corresponding to the second region is obtained based on the second field of view and the imaging distance, and the radius of the second circular region is... ,in Let L be the radius of the second circular region, and L be the imaging distance. The first field of view is 9°. 19°; The center of the second circular region coincides with the center of the first circular region, and the second imaging region includes the remaining region after removing the first circular region from the second circular region.

15. A human eye stimulation image display system based on region control according to claim 12, characterized in that, The second image includes multiple micro-stimulation images, which are evenly distributed in the second imaging area. The micro-stimulation images have brightness contrast and preset blur.

16. A human eye stimulation image display system based on region control according to claim 13, characterized in that, The system also includes: An image acquisition module is used to acquire the display image of the display screen; The scaling module is based on the first imaging area and the size of the display screen; the display image is formed into a first image according to the scaling ratio so that the display image is presented in the first imaging area.

17. A human eye stimulation image display system based on region control according to claim 10, characterized in that, The first imaging region corresponding to the first region obtained based on the first field of view includes: Obtain the position coordinates of the stimulated point in the first region, denoted as: ,in The field of view is the location of the stimulated point. The angle between the line connecting the stimulated point and the center of the eye and the horizontal line extending horizontally to the right with the center of the eye as the origin; Based on the location of the stimulated point, a first position on the display screen at that location is obtained, and the first position is denoted as... ,in The distance between the first position and the center point of the display screen is denoted as . L is the distance between the human eye and the display screen. Let be the angle between the line connecting the first position and the center point of the display screen, and the horizontal line extending horizontally to the right with the center point of the display screen as the origin. ; The second region surrounds the first region and is adjacent to the first region.

18. A human eye stimulation image display system based on region control according to claim 11 or 17, characterized in that, The defocus ratio of myopia changes periodically over time; at the beginning of a cycle, the defocus ratio starts to change from an initial ratio; within a cycle, the ratio of the light intensity of the first primary color in the defocus ratio increases over time, while the ratio of the light intensity of the second primary color decreases over time. The overall brightness of the first image varies between 200 nits and 300 nits.

Images