CN105943327B - Vision exercise health care system with anti-dizziness device - Google Patents
Vision exercise health care system with anti-dizziness device Download PDFInfo
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- CN105943327B CN105943327B CN201610389163.2A CN201610389163A CN105943327B CN 105943327 B CN105943327 B CN 105943327B CN 201610389163 A CN201610389163 A CN 201610389163A CN 105943327 B CN105943327 B CN 105943327B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H5/00—Exercisers for the eyes
- A61H5/005—Exercisers for training the stereoscopic view
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
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Abstract
The invention relates to a vision exercise health care system with anti-dizziness equipment, comprising: the anti-dizziness device comprises a rotation controller which is arranged on the head-mounted device and internally provided with a head future position prediction unit, and the rotation controller is used for calculating a corresponding rotation angle of the vision detection image or the vision care image to be displayed according to the picture angle change condition of the vision detection image or the vision care image to be displayed by the head future position prediction unit so as to keep synchronous with the head position and the offset motion state of the angle of a user. The user can perform self-help vision detection, correction and health care, and the feeling of dizzy can not be generated during detection and health care, and the vision detector has real feeling of presence and reality.
Description
Technical Field
The invention belongs to the technical field of vision health care, and particularly relates to a vision exercise health care system.
Background
In recent years, the number of people suffering from myopia of teenagers is always high, the number of people suffering from myopia tends to increase year by year, and the problem seriously affects the healthy growth of the teenagers, and meanwhile, the problem also draws the wide attention of people in all communities.
The current vision testing means mainly adopts the vision chart identification or computer detection, and the vision chart identification mode is generally only suitable for being conducted by professionals in hospitals, physical examination centers, mirror distribution centers and the like and is not suitable for home examination because the vision chart identification mode has high requirements on light and distance; the computer detection mode is not suitable for household purchase because of expensive equipment. Because the two modes can not provide a simple, convenient and anytime and anywhere vision inspection mode for people, many teenagers can not be detected in time, and therefore, the best opportunity for intervention to treat myopia is missed.
In addition, there are many rehabilitation methods of myopia, which are mainly classified into surgical treatment and physical treatment, and surgical rehabilitation methods have a relatively large risk and leave sequelae for teenagers. There are many physical rehabilitation methods in the market at present, such as: the eye exercises are promoted for many years, and the eye exercises have certain health care effects, but have few rehabilitation effects; the traditional Chinese medicine physiotherapy massage push-pull method requires special nursing of professionals, and is not convenient for large popularization; the visual muscle training method is combined with the eye-nourishing vision-increasing operation method, and is a method with better effect.
The device comprises a player and a stereoscopic imaging optical device, wherein the player can play the stereoscopic imaging software or disc, and output a stereoscopic image signal to the optical device, and the optical device can display a stereoscopic image. The optical device is a virtual large-view-field near-purpose three-dimensional imaging video glasses device, and the rehabilitation induction of a user is realized through the rehabilitation device of the system, so that the aims of eye health care and myopia treatment rehabilitation are achieved. However, the invention still has the following disadvantages or shortcomings: (1) The invention can only correct and recover the myopia, but can not detect the myopia; (2) Eye fatigue occurs when the eyes continue to do extreme movements; (3) The principle of the invention is that the eyes do limit movement and simultaneously cooperate with corresponding respiratory movement, namely, inhalation is required from myokinetic movement until breath is held, and exhalation can be performed when the eyes return to a normal position, so that the invention has higher requirements on coordination capacity and physical quality (particularly vital capacity) of a person; (4) The distance between the video glasses display screen and eyes is short, which can make eyes clearly see 'particles' on the screen, and the visual experience is poor; (5) The device can not adjust the display of the image according to the head movement of the user, and can cause visual delay and further cause various discomforts such as nausea, dizziness and the like to the user.
As another example, a network eye care instrument provided in chinese patent publication No. CN102895097a comprises a support and a display therapeutic body, wherein a driving device is arranged on the support; the driving device is connected with the output end of the display therapeutic body, and the display therapeutic body is connected with the cloud server; the display therapeutic body downloads and displays the corresponding 3D visual physiological image in the cloud server according to the input myopia segmentation signal, and controls the driving device to drive the display therapeutic body displaying the 3D visual physiological image to perform required reciprocating motion on the support. The driving device drives the display therapeutic body for displaying the 3D visual physiological image to do required reciprocating motion on the bracket, so that the lens of the eye of a user does regular focusing motion, the ciliary muscle of the eye is always in a contracted-relaxed-contracted-relaxed state, the ciliary muscle of the eye can be recovered to be elastic through exercise treatment for a period of time, the lens is recovered to be in situ, the refractive power of the eye refractive system is matched with the length of the eye axis, and the object image is accurately landed on the retina. However, the invention still has the following disadvantages or shortcomings: (1) The invention can only correct and recover the myopia, but can not detect the myopia; (2) The equipment has complex structure and large volume, has higher manufacturing, using and maintaining costs, and is not beneficial to popularization and use in common families; (3) The user cannot freely use the health care instrument at any time and any place as the portable device is used, so that the health care instrument is not beneficial to popularization to all myopic users.
In summary, it is an urgent need in the industry to provide a vision training and health care system and method that is convenient and can realize vision testing and provide vision care at any time and any place.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a vision exercise and care system with anti-dizziness devices that can achieve vision testing for a user at any time and anywhere and provide vision care for the user based on the user's vision testing data.
In order to achieve the above object, the present invention provides a vision exercise health care system having an anti-dizziness device, comprising: the anti-dizziness device comprises a head-mounted device, an intelligent control device in communication connection with the head-mounted device and an anti-dizziness device in communication connection with the intelligent control device; the head-mounted device is used for displaying a vision detection image or a vision care image to a user and tracking the offset movement of the head position and the angle of the user so as to transmit the offset movement state of the head position and the angle of the user to the intelligent control device; the intelligent control device is used for providing a mode for detecting or protecting health for a user, sending a vision detection image or a vision protection image to the head-mounted device according to the mode selected by the user, and receiving the offset motion state of the head position and the angle of the user transmitted by the head-mounted device so as to control the image processing device and the anti-dizziness device to coordinate and cooperate; the anti-dizziness device comprises a rotation controller which is arranged on the head-mounted device and internally provided with a head future position prediction unit, wherein the rotation controller is used for calculating the corresponding rotation angle of the vision detection image or the vision care image to be displayed by the head future position prediction unit according to the picture angle change condition of the vision detection image or the vision care image to be displayed so as to keep synchronous with the head position and the offset motion state of the angle of a user.
Alternatively, the vision inspection image or the vision care image is set as an image having a fixed timing relationship between the constituent pictures to determine in advance the picture angle change condition of the image to be played.
Optionally, the anti-dizziness device further includes an anti-dizziness swivel chair, the anti-dizziness swivel chair includes a swivel chair body, a swivel base supported at the bottom of the swivel chair body, and a swivel head support disposed at the top of the back of the swivel chair body for fixing the head of the user, wherein the swivel base and the swivel head support are in communication connection with the rotation controller, and the swivel base and the swivel head support are used for receiving the corresponding rotation angle of the vision detection image or the vision care image to be displayed calculated by the rotation controller and rotating at the rotation angle, so that the body rotation range and the head rotation range of the user are consistent with the rotation angle.
Alternatively, the rotational range of the swivel base is 360 degrees.
Optionally, an inertial sensor and a gravity sensor are arranged in the rotating base, and an inertial sensor or an electromagnetic sensor is arranged in the rotating head support.
Optionally, sensors built into the swivel base and swivel head rest are configured to send sensed body motion parameters and head motion parameters, respectively, to the swivel controller to correct the head future position prediction unit.
Optionally, the headset comprises: an image display device for receiving the vision inspection image or the vision care image and displaying the vision inspection image or the vision care image to a user; an audio playing device for playing a sound file synchronized with the vision inspection image or the vision care image displayed by the image display device; and the motion sensing device is used for tracking the offset motion of the head position and the angle of the user and transmitting the offset motion state of the head position and the angle of the user to the intelligent control equipment.
Preferably, the image display device comprises an LED display screen and convex lenses corresponding to the left eye and the right eye of the user respectively, wherein the LED display screen is used for displaying the images subjected to the split-screen processing by the image processing equipment in different areas of the LED display screen corresponding to the left eye and the right eye of the user; the convex lens is used for respectively projecting images displayed by the LED display screen in a split mode into the left eye and the right eye of a user.
Preferably, the LED display screen is a real screen with a resolution of 1920×1080, the pixel picture of the LED display screen corresponding to the left eye or the right eye of the user is set to 960×1080, and the video quality played by the LED display screen is set to 1080p.
Preferably, the viewing angle of the convex lens is 110 °.
Optionally, the system further comprises an image processing device and a remote terminal device which are in communication connection with the intelligent control device, wherein the image processing device is used for receiving the vision detection image or the vision care image transmitted by the intelligent control device, performing split-screen processing on the vision detection image or the vision care image and then transmitting the vision detection image or the vision care image to the image display device; the remote terminal equipment comprises a plurality of intervention modules, and each remote terminal equipment is used for starting the corresponding intervention module according to the detection feedback of the intelligent control equipment receiving the user on the vision detection image.
Preferably, the image processing device performs preprocessing and reverse warping on the received vision detection image or vision care image, then compresses the picture edge of the vision detection image or vision care image after reverse warping, and bends and deforms the picture edge to neutralize the amplifying effect of the convex lens.
Optionally, the motion sensing device is at least one or a combination of two or more of the following types of sensors: mechanical sensors, electromagnetic sensors, optical sensors, ultrasonic sensors, inertial sensors, or gravitational sensors.
Optionally, the head-mounted device further comprises sound collection means for receiving voice feedback of the user for the vision test image or the vision care image and transmitting the voice feedback to the intelligent control device.
Preferably, the intervention module includes an eye sensitivity enhancement module, an eye fatigue relief training module, a lens dispensing module, and an ophthalmic disease control module.
Preferably, the vision test image is set as a virtual reality standard test symbol.
Preferably, the vision care image is set to be guided by the change of light, brightness, and depth of field to restore eye fatigue of the user.
Preferably, the variations in light, brightness, and depth of field include analog focusing, auto-focus shifting, auto-zoom, and auto-hyperopic fogging.
Preferably, the intelligent control device comprises a notebook computer, a tablet computer or a smart phone.
Alternatively, the communication connection between the components of the present invention may be selected from wired and/or wireless connections.
The beneficial effects of the invention are as follows: (1) The user can perform vision inspection on himself at any time and any place without the assistance of medical staff, and is not limited by doctor resources, so that self-help vision inspection is realized; (2) According to the vision care images matched with the vision detection data provided by the vision detection data of the user, the eye movement of the user is guided to relieve the visual fatigue and the vision is subjected to targeted intervention, so that the vision of the user is corrected and recovered; (3) The anti-dizziness device can ensure that the conversion angle of the pictures of the vision detection image or the vision care image received by the user and the corresponding sound are synchronous with the body action of the user, thereby effectively avoiding the generation of dizzy, nausea or other uncomfortable feelings; (4) The vision detection image or the vision care image processed by the image processing equipment can lead the user to generate real feeling of presence and reality; (5) The vision exercise health care system with the anti-dizziness equipment is characterized in that all the equipment are connected through a communication network, can be used remotely and are not limited by the use time and place.
Drawings
Fig. 1 is a schematic configuration view of a vision exercise health care system with an anti-dizziness device of the present invention.
Fig. 2 is a schematic structural view of the head-mounted device of the present invention.
Fig. 3 is a schematic structural view of the anti-dizziness swivel chair of the invention.
Detailed Description
The invention will be further elucidated by reference to the drawings and examples, which are not intended to be limiting in any way. Unless otherwise defined, all scientific and technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and to which this invention pertains.
As shown in fig. 1, as a non-limiting example, the present invention provides a vision exercise health care system with an anti-dizziness device comprising: head-mounted device 100, intelligent control device 300, anti-dizziness device 400, and remote terminal device 500.
The head-mounted device 100 comprises an image display device 101, an audio playing device 102 and a motion sensing device 103. The image display device 101 includes an LED display screen (not shown) and convex lenses (not shown) corresponding to the left eye and the right eye of the user, and the LED display screen can display the images split-screen processed by the intelligent control device 300 in different areas of the LED display screen corresponding to the left eye and the right eye of the user, and although the distance between the LED display screen and the eyes of the user is very short, the close-range images can be seen clearly under the action of the convex lenses. The angle of the pictures seen by the left eye and the right eye of the user is different, and the two convex lenses are arranged to respectively project the images displayed by the split screens of the LED display screen into the left eye and the right eye of the user, so that the objects seen by the user show a stereoscopic impression, a sense similar to a real object is created, the object can be simulated to be in far-near transformation within the visual field range, and the effect of virtual reality is generated. In addition, the visual angle of the diagonal line of the picture of the vision detection image or the vision care image can reach 110 degrees, and the output image has no obvious distortion. The user can play the sound file synchronized with the vision inspection image or the vision care image displayed by the image display device 101 and play the instruction of the intelligent control device 300 to the user while watching the vision inspection image or the vision care image. When the user moves, the motion sensor 103 can track the offset motion of the head position and angle of the user, and transmit the offset motion state of the head position and angle of the user to the intelligent control device 300, so as to feed back the motion of the user in real time, and enable the user to interact with the virtual world, so that the user really feels that the user is in the virtual world. Meanwhile, the intelligent control device 300 controls the anti-dizzy device 400 according to the information provided by the motion sensing device 103, so as to ensure that the transformation angle of the picture received by the user and the corresponding sound are synchronous with the physical action of the user, thus preventing the user from feeling dizzy and nausea.
Because the convex lens is used in the image display device 101 to enable the user to have a larger visual angle, but the convex lens can distort the picture at the same time, in order to offset the distortions, after the vision detection image or the vision care image transmitted by the intelligent control device 300 is split-screen processed, a reverse distortion is preprocessed, the edge of the picture is compressed, the image is bent and deformed, and the pre-deformation processing on the picture just neutralizes the amplifying effect of the convex lens, so that the final display effect is more accurate, and the obtained effect is the completely immersed experience.
When the user wears the head-mounted device 100, the intelligent control device 300 can provide a mode for selecting detection or health care for the user, and when the user selects the detection mode, the intelligent control device 300 sends the processed vision detection image to the image display device 101 and sends an instruction to the audio playing device 102 to guide the eyeballs of the user to move, in the detection process, the intelligent control device 300 can also receive the offset motion state of the head position and angle of the user transmitted by the motion sensing device 103, so as to control the anti-dizziness device 400 to coordinate, and after the detection is finished, the intelligent control device 300 also receives the detection feedback of the user on the vision detection image and sends the detection feedback to the remote terminal device 500.
As an alternative embodiment, the headset 100 further comprises a sound collection device 104 that can receive the user's voice feedback for the vision test image or the vision care image and transmit the voice feedback to the intelligent control device 300, which intelligent control device 300 can send to the remote terminal device 500 in combination with the user's detection feedback for the vision test image.
When people rotate the head in the real world, the front picture in front of eyes can change along with the visual angle, the front picture seen by the head when the head is forward, the left picture is seen when the head is left, the right picture is seen when the head is right, and therefore, when the user rotates the head, the brain can complement a complete three-dimensional image through the continuous pictures seen by the brain. However, when the user wears the head-mounted device 100 to watch the image displayed on the image display apparatus 101, the user rotates the viewing angle or moves the body, and the image display speed does not keep pace with the rotation or movement speed of the user, so that the user may feel dizziness with a delay.
In order to prevent users from generating uncomfortable feelings of dizziness, the invention simulates the head movement of the users, especially for the head movement when vision detection and eye fatigue recovery are needed, establishes a random process by using a statistical model, and designs a head future position prediction unit based on filtering and measured data preprocessing technology. Meanwhile, as shown in fig. 2, the anti-dizziness apparatus 400 includes a rotation controller (not shown) having a head future position prediction unit built in, and an anti-dizziness swivel chair 402, wherein the anti-dizziness swivel chair 402 includes a swivel chair body 4021, a swivel base 4022 supported at the bottom of the swivel chair body 4021, and a swivel head rest 4023 provided at the top of the back of the swivel chair body 4021 for fixing the head of a user. Because the visual inspection image or the visual health care image generally has a fixed time sequence relationship between the constituent pictures of the video, the invention fully utilizes the characteristic that the change condition of the picture angle of the picture to be played can be known in advance, the head future position prediction unit arranged in the rotation controller pre-judges the rotation angle according to the change condition of the picture to be played, then the rotation controller sends the rotation angle corresponding to the pre-judged future moment to the anti-dizziness swivel chair 402, the rotary head rest 4023 in the anti-dizziness swivel chair 402 rotates according to the rotation angle corresponding to the future moment sent by the rotation controller, so that the picture consistency in the rotation range of the head of a user is ensured, and the rotary base 4022 capable of rotating by 360 degrees also rotates according to the rotation angle corresponding to the future moment sent by the rotation controller, so that the picture consistency in the rotation range of the body of the user is ensured.
Since it is difficult to ensure that the body and head of the user remain absolutely stationary, it is also necessary to adjust the deviation due to the body movement of the user. An inertial sensor or an electromagnetic sensor is built in the rotary head rest 4023, an inertial sensor and a gravity sensor are built in the rotary base 4022, and the two sensors are used for sending sensed action parameters to the rotary controller again and feeding the sensed action parameters back to the head future position prediction unit for correcting the algorithm, so that the rotary-video synchronization algorithm correction system is formed.
After the vision inspection is completed, the intelligent control device 300 receives the inspection feedback of the user on the vision inspection image and transmits the inspection feedback to the remote terminal device 500, and the remote terminal device 500 correspondingly starts the eyeball sensitivity improving module, the eye fatigue relieving training module, the lens matching module or the ophthalmic disease controlling module according to the inspection feedback transmitted by the intelligent control device so as to provide corresponding vision care service for the user. For example, after measuring the vision condition of the user according to the definition of the visual object or measuring the eye fatigue of the user through the reaction speed of the visual object, starting an eye fatigue relieving training module, playing the vision care image on the image display device 101 for the user to watch, and performing omnibearing eye fatigue recovery through the change guidance of light rays, brightness and depth of field, such as counteracting the vision defect of the user by using an analog focusing means and providing prestinum hyperopia and defocus, or moving the near focus to a far place by using an automatic focusing means, zooming the vision, relieving fatigue, or increasing the eye focusing sensitivity by using an automatic zooming means, or reducing the mixed myopia degree by using an automatic hyperopia atomization means.
As an alternative implementation manner, the system further comprises an image processing device which is in communication connection with the intelligent control device, wherein the image processing device is used for receiving the vision detection image or the vision care image transmitted by the intelligent control device, performing split-screen processing on the vision detection image or the vision care image, and transmitting the vision detection image or the vision care image to the image display device.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention. Such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. A vision exercise health care system with anti-dizziness device, comprising: the anti-dizziness device comprises a head-mounted device, an intelligent control device in communication connection with the head-mounted device and an anti-dizziness device in communication connection with the intelligent control device; wherein,
the head-mounted device is used for displaying a vision detection image or a vision care image to a user and tracking the offset movement of the head position and the angle of the user so as to transmit the offset movement state of the head position and the angle of the user to the intelligent control device;
the intelligent control device is used for providing a mode for detecting or protecting health for the user, sending the vision detection image or the vision protection image to the head-mounted device according to the mode selected by the user, and receiving the offset motion state of the head position and the angle of the user transmitted by the head-mounted device so as to control the head-mounted device and the anti-dizziness device to coordinate and cooperate;
the anti-dizziness device comprises a rotation controller which is arranged on the head-mounted device and internally provided with a head future position prediction unit, wherein the rotation controller is used for calculating a corresponding rotation angle of the vision detection image or the vision care image to be displayed by the head future position prediction unit according to the picture angle change condition of the vision detection image or the vision care image to be played so as to keep synchronous with the head position and the deviation movement state of the angle of the user;
the vision detection image or the vision care image is set as an image with a fixed time sequence relation among all the constituent images so as to pre-determine the angle change condition of the image to be played;
the anti-dizziness equipment further comprises an anti-dizziness swivel chair, the anti-dizziness swivel chair comprises a swivel chair body, a swivel base supported at the bottom of the swivel chair body and a swivel head support arranged at the top of a chair back of the swivel chair body and used for fixing the head of a user, wherein the swivel base and the swivel head support are in communication connection with the rotation controller, and the swivel base and the swivel head support are used for receiving the to-be-displayed vision detection image or the corresponding rotation angle of the vision care image calculated by the rotation controller and rotating at the rotation angle, so that the body rotation range and the head rotation range of the user are consistent with the rotation angle; the rotation range of the rotating base is 360 degrees; an inertial sensor and a gravity sensor are arranged in the rotating base, and an inertial sensor or an electromagnetic sensor is arranged in the rotating head support; the sensors built in the rotating base and the rotating head support are set to respectively send the sensed body motion parameters and the sensed head motion parameters to the rotating controller so as to correct the head future position prediction unit.
2. The vision exercise healthcare system with anti-dizziness device of claim 1, wherein the head-mounted device comprises:
an image display device for receiving the vision inspection image or the vision care image and displaying the vision inspection image or the vision care image to a user;
audio playing means for playing a sound file synchronized with the vision inspection image or the vision care image displayed by the image display means;
and the motion sensing device is used for tracking the offset motion of the head position and the angle of the user and transmitting the offset motion state of the head position and the angle of the user to the intelligent control equipment.
3. The vision training and health care system with anti-dizziness device according to claim 2, further comprising an image processing device and a remote terminal device which are in communication connection with the intelligent control device, wherein the image processing device is used for receiving the vision detection image or the vision health care image transmitted by the intelligent control device, and sending the vision detection image or the vision health care image to the image display device after split screen processing; the remote terminal device comprises a plurality of intervention modules, and each remote terminal device is used for starting the corresponding intervention module according to the detection feedback of the intelligent control device to the vision detection image received by the user.
4. The vision exercise health care system with anti-dizziness device of claim 3, wherein the motion sensing means is at least one or a combination of two or more of the following types of sensors: mechanical sensors, electromagnetic sensors, optical sensors, ultrasonic sensors, inertial sensors, or gravitational sensors.
5. The vision training and health care system with anti-dizziness device of claim 4 wherein the head-mounted device further comprises sound collection means for receiving voice feedback of the user for the vision test image or the vision health care image and transmitting the voice feedback to the intelligent control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610389163.2A CN105943327B (en) | 2016-06-02 | 2016-06-02 | Vision exercise health care system with anti-dizziness device |
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| CN201610389163.2A CN105943327B (en) | 2016-06-02 | 2016-06-02 | Vision exercise health care system with anti-dizziness device |
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| CN105943327A CN105943327A (en) | 2016-09-21 |
| CN105943327B true CN105943327B (en) | 2023-12-08 |
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| EP3461394A1 (en) * | 2017-10-02 | 2019-04-03 | Essilor International | Method and system for adapting the visual and/or visual-motor behaviour of a person |
| CN110007475A (en) * | 2019-04-17 | 2019-07-12 | 万维云视（上海）数码科技有限公司 | Utilize the method and apparatus of virtual depth compensation eyesight |
| CN113212437B (en) * | 2021-05-21 | 2023-03-17 | 吉林大学 | Motion sickness estimation method during vehicle curve running |
| CN113257387B (en) * | 2021-06-07 | 2023-01-31 | 上海圻峰智能科技有限公司 | Wearable device for rehabilitation training, rehabilitation training method and system |
| CN116458835B (en) * | 2023-04-27 | 2024-02-13 | 上海中医药大学 | Detection and prevention system for myopia and amblyopia of infants |
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