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253results about "Eye exercisers" patented technology

Intelligent zooming system and method for visual adjustment function training

The invention discloses an intelligent zooming system and method for visual adjustment function training, and relates to the technical field of medical auxiliary equipment and visual health. The system comprises an intelligent zoom terminal and a control platform, and the control platform generates a training instruction set containing modulation parameters and task parameters and sends the training instruction set to the terminal; the modulation parameter controls the diopter modulator to generate a specific diopter change mode, and the task parameter controls the AR display module to present an interactive visual training task; the terminal controller synchronously executes diopter modulation and task presentation; the control platform further analyzes and optimizes modulation parameters to update subsequent training based on user interaction data collected during the training process. According to the invention, through cooperation of diopter change and visual training and parameter adaptive optimization based on user feedback, closed-loop personalized training of a visual adjustment function is realized.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV

Ciliary muscle adjustment training system and method based on eye movement tracking

The invention relates to the technical field of visual health management, in particular to a ciliary muscle adjustment training system and method based on eye movement tracking, and the method comprises the steps: collecting eye movement data of a fixation point track, an adjustment amplitude change rate and pupil response time in real time, and combining personalized parameters such as the age of a user, diopter and a training target; inputting a ciliary muscle training dynamic planning algorithm module, dynamically generating a stage scheme containing a training action type, a single-group duration, a stimulation interval and a focal length adjustment strategy, and adaptively adjusting the strategy according to real-time adjustment stability and a historical ability curve; through multi-dimensional matching analysis of a pre-stored standard eye movement template, a training specification score is calculated from the track goodness of fit, speed uniformity, amplitude standard-reaching rate and binocular coordination, visual fatigue parameters are obtained based on continuous training duration, pupil fluctuation and retina reflex change, a scoring result is dynamically corrected, and a visual fatigue evaluation result is obtained. Personalized, self-adaptive and quantitative safety control of the training process is realized.
Owner:QINGTIAN HEMU INFORMATION TECHNOLOGY CO LTD

VR visual training method and system based on dynamic refraction adjustment

The invention provides a VR visual training method and system based on dynamic refraction adjustment, and is applied to the technical field of VR visual training, and the system comprises a display module, a focusing mechanism, a hybrid optical system and a main controller. The main controller generates a target diopter sequence changing along with time according to the training mode, and drives the optical lens group to move along the optical axis direction, so that the focal power of the system is physically changed; meanwhile, the virtual image depth is updated according to the diopter, and perspective parameters are adjusted and rendered, so that the position of the presented virtual image is consistent with the optical focus in real time; in the training process, the adjusting reaction speed and the adjusting lag amount are obtained through the clear recognition performance of the user on the sighting mark, the main controller conducts self-adaptive adjustment on the follow-up refraction change track based on feedback, and training stimulation is made to be matched with the instant adjusting ability of the user. A real, continuous and individualized adjusting stimulation environment can be constructed, and the effectiveness and safety of ciliary muscle training are improved.
Owner:YOUXIN INTELLIGENT TECH (WUXI) CO LTD

Multi-dimensional visual training feedback system and method for improving binocular fusion vision and stereoscopic vision functions

PendingCN121971280AImprove continuous parametersRaise willingnessPhysical therapies and activitiesEye exercisersVisual functionPrediction algorithms
The invention belongs to the technical field of visual training, and particularly relates to a multi-dimensional visual training feedback method for improving binocular fusion visual and stereoscopic visual functions, and the method comprises the following steps: carrying out medical baseline detection, generating an initial ability portrait through visual function evaluation and cognitive ability testing, matching training difficulty parameters, and generating a personalized scheme; multi-modal game training is carried out, training types comprise gamification training, animation scene training and offline family task training, and the training difficulty is dynamically adjusted; a tutor performs remote one-to-one guidance, and dynamically adjusts a training scheme according to a change report by tracking the training progress in real time; and the system performs multi-dimensional effect evaluation and self-optimizes a difficulty prediction algorithm. According to the method, the problems of dull training and passive participation, scheme stiffness and execution deviation, single stimulation and cognitive load, scene limitation and continuous interruption are solved.
Owner:HANGZHOU SHENKANG MINGSHI TECHNOLOGY CO LTD

Systems and methods for assessing and mitigating accommodation spasm

A user's accommodative spasm can be evaluated and mitigated via a virtual reality (VR) system, which can include a VR headset in electronic communication with a computing device. The computing device causes virtual environments, which can include objects, optotypes, various lighting conditions, and various weather conditions, to be displayed on the VR headset. Using varying combinations of eye-tracking sensors, eye-tracking cameras, motion-tracking sensors, handheld devices, and microphones, the VR headset collects data about the user as she focuses on various objects placed at different distances away from her in the virtual environments. Optionally, advanced algorithms in the computing device dynamically alter the virtual environments and the visual tasks and analyze the user's responses to evaluate the user's accommodative spasm.
Owner:ZENNI OPTICAL

Visual training method, system and device for myopia prevention and control and correction based on naked eye 3D display and storage medium

The invention discloses a visual training method, system and device for myopia prevention and control and correction based on a naked-eye 3D display, and a storage medium, relates to the technical field of three-dimensional image generation and display control, and comprises the field of visual training of myopia prevention and control constructed on a naked-eye 3D display interface, a first visual training area and a second sensing and integrating area, in the first visual training area, through 3D interlaced pictures and videos, fine or dynamic stereoscopic vision is stimulated, front and back intersections of sight lines are adjusted, and split vision training is carried out; in the second perception and integration area, through perception, spatial positioning, binocular coordination and deep perception training, the spatial ability and response ability of eyes are stimulated; in combination with a three-dimensional display mechanism, displaying a naked eye three-dimensional image on a display, acquiring eyeball position information by adopting a human eye tracking technology, and dynamically adjusting a three-dimensional image display area; according to the method, the visual content structured organization and three-dimensional generation cooperative control is realized, and the three-dimensional display interaction matching precision is improved.
Owner:TIANJIN VISION TECHNOLOGY CO LTD

Control system based on combination of dynamic focal length adjustment and vision correction

The invention belongs to the technical field of control systems, and particularly relates to a control system based on combination of dynamic focal length adjustment and vision correction, which comprises a bearing plate and a parameter configuration and feedback module, the two sides of the top of the bearing plate are rotationally connected with lens groups, and the parameter configuration and feedback module is used for collecting user information and initial matching training core parameters and sending the initial matching training core parameters; continuously receiving multi-dimensional real-time feedback, and iteratively optimizing parameters based on the feedback; the dynamic training content generation module is used for generating dynamic 2D and 3D contents and interactive games of adaptive set and adjustment training according to the training parameters optimized by the parameter configuration and feedback module; on the basis, through an adjusting and training mechanism combining hardware and software, personalized adaptation to vision requirements of different users is achieved, medical risks and high cost of laser surgery are avoided, and the problems that traditional glasses and contact lenses are limited in adaptability and inconvenient to use in daily life are solved.
Owner:VCARE VISION TECH LTD

Apparatus to measure fast-paced performance of people

The present disclosure provides improved methods and apparatus for evaluation of an individual's cognitive performance in a fast-paced, visually dynamic environment. The apparatus may comprise a display configured to present a plurality of stimuli to the subject, and a processor coupled to the display, the processor comprising instructions to determine a subject's visual perceptual skills, memory and learning skills, and response command and control skills. The methods and apparatus described herein can evaluate key cognitive processes that underlie split-second decision-making in visually dynamic environments. The results can provide comparison of cognitive skills across individuals performing in a specific environment, as well as evaluations of more targeted sets of cognitive processes for specific positions in an environment that might require unique sets of skills.
Owner:S2 COGNITION INC

Interactive visual training system

The utility model discloses an interactive visual training system, which belongs to the technical field of visual training equipment, and comprises an imaging module, a somatosensory tracking module, an eye movement tracking module and an interactive control module, and the imaging module comprises imaging equipment for displaying training contents; the somatosensory tracking module comprises a limb action capturing device used for capturing limb actions of the trainee; the eye movement tracking module comprises an eyeball action capturing device for capturing eyeball actions of the trainee; the interaction control module comprises a controller, the controller is used for receiving the data and converting the data into a limb action instruction and an eyeball action instruction, and the imaging module adjusts training content displayed by the imaging device according to the limb action instruction and the eyeball action instruction. By combining imaging display, somatosensory control, eye movement tracking and the like, richer, interactive and personalized visual training is provided for trainees, coordinated training of bodies, brains and eyes is realized, and the problems of single training content and poor interactivity are avoided.
Owner:SHENYANG EYEROBO CO LTD +1

Electronic heating eye muscle training massage instrument

The utility model relates to the technical field of eye muscle training and massaging, and discloses an electronic heating eye muscle training and massaging instrument which comprises a training and massaging assembly and bandages fixed to the two sides. The training massage assembly comprises a training massage body; the front mask is arranged on the front surface of the training massage body; the eyebrow massage head is fixedly connected to the front surface of the front mask; the canthus massage head is arranged on the front surface of the front mask; the eye bag massage head is arranged on the front surface of the front mask; by arranging the liquid medicine heating assembly and the liquid medicine atomizing assembly, the liquid medicine heating assembly can store massage liquid medicine, during massage, the liquid medicine can be heated through the liquid medicine heating assembly, then the heated liquid medicine is atomized and sprayed out through the liquid medicine atomizing assembly, massage hot compress is conducted, and by means of the mode, the eyes can be heated and massaged; in addition, the liquid medicine can also be absorbed by eye muscles, and the massage effect is further improved.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

Light-induced therapeutic apparatus for preventing myopia

The invention discloses a light-induced therapeutic apparatus for preventing myopia, and relates to the technical field of ophthalmology medical instruments. The supporting frame is erected on the upper side of the shell and is of an inverted-U-shaped structure. Rotating shafts are symmetrically and fixedly arranged on the two side walls of the shell, and the ends of the rotating shafts are rotationally arranged on the two side walls of the supporting frame through bearings; the two ends of the supporting frame are arranged in the guide grooves in a sliding mode through guide strips arranged on the supporting frame. The electric push rod is vertically and fixedly arranged on the horizontal end face of the right-angle base on the right side, and the upper end of the electric push rod is fixedly arranged on the side wall of the supporting frame through a mounting base. The angle limiting mechanisms are arranged on the two sides of the shell and connected with the rotating shaft. The fixing mechanism is arranged on the horizontal end face of the right-angle base on the left side. The device is installed on a treatment bed through the fixing mechanism, a patient is treated in a flat lying mode, the light-induced training integrated board is in a fixed state, displacement and shaking are not prone to occurring, and the training stability is guaranteed.
Owner:SHANDONG UNIV OF TRADITIONAL CHINESE MEDICINE

Liquid lens zoom fogging system, training instrument and optometry unit

The utility model relates to a liquid lens zoom foggy vision system, training instrument and optometry unit, foggy vision system is equipped with eyepiece lens cone, front lens cone, rear lens cone and objective lens cone in proper order along the optical path, the front lens cone is equipped with first lens and second lens in proper order, the rear lens cone is equipped with liquid lens and third lens in proper order, and the objective lens cone is equipped with second lens and third lens in proper order. The front lens barrel and the rear lens barrel form a variable-focus liquid lens telescopic system; a foggy view image display panel is arranged in the objective lens barrel and used for playing foggy view animations. The system further comprises a controller, and the liquid lens, the objective lens cone and the fog view image display panel are electrically connected with the controller. According to the fogging system, the zoom lens can be controlled to zoom through a circuit, video animation is played in combination with the fogging image display panel, switching of different images is achieved, the zoom response is fast, a complex structure and switching images are not needed, the structure is simple and small, the attention of trainees is better attracted, and the fogging effect is improved.
Owner:FOSHAN LINGJUE TECH CO LTD

Turnover mirror for visual training

The utility model discloses a turnover mirror for visual training, which comprises a mirror main body, and a turnover mirror bracket and a fixed mirror bracket which are connected with the mirror main body, the turnover mirror bracket and the fixed mirror bracket comprise mirror arms, two connecting seats, two mirror frames and two screws, the connecting seats are movably connected with the mirror arms and are fixedly connected with the mirror frames, and the two screws are fixedly connected with the mirror arms. The screw is used for locking and positioning the connecting seat, and the turnover mirror bracket is positioned in front of the fixed mirror bracket. The position of the lens frame can be changed, namely the positions of the lenses in the lens frame are controllable, interpupillary distance differences of different individuals are effectively adapted, accurate alignment of optical axes of the lenses and pupil positions of users is achieved, aberration and visual fatigue caused by sight line deviation can be remarkably reduced, the imaging effect can be optimized, and the imaging effect is improved. Therefore, clearer and more comfortable visual experience is provided, especially for users whose interpupillary distances are asymmetric or deviate from a conventional range, the adjustable interpupillary distance design can meet individual requirements, and it is ensured that each user can obtain the optimal optical performance.
Owner:BEIJING AOYING TECH CO LTD

Rotary switching type vision corrector

The utility model provides a rotary switching type vision corrector. The rotary switching type vision corrector comprises a corrector handle and a lens rotating frame, a first lens is arranged on the lens rotating frame; the transmission mechanism is used for driving the lens rotating frame to axially rotate around the central shaft; the transmission mechanism comprises a transmission rod or a driving motor which is used for transmission connection, and further comprises a corrector panel which is connected with the corrector handle or integrally formed with the corrector handle. A lens through hole for accommodating a lens is formed in the corrector panel, and a second lens is arranged in the lens through hole; when the first lens rotates to the position of the second lens, the first lens and the second lens coincide with each other in the vertical direction, and superposition of lens degrees is achieved. In practical application, the visual state can be adjusted more conveniently, and better correction and eyesight protection effects are achieved.
Owner:DONGGUAN YANXI INTELLIGENT TECHNOLOGY CO LTD

Intelligent zoom system and method for visual accommodation function training

The application discloses an intelligent zoom system and method for visual accommodation function training, and relates to the technical field of medical auxiliary equipment and visual health. The system comprises an intelligent zoom terminal and a control platform. The control platform generates a training instruction set containing modulation parameters and task parameters, and sends the training instruction set to the terminal. The modulation parameters control the diopter modulator to generate a specific diopter change mode, and the task parameters control the AR display module to present interactive visual training tasks. The terminal controller synchronously executes diopter modulation and task presentation. The control platform also analyzes and optimizes the modulation parameters based on user interaction data collected during the training process to update subsequent training. The application realizes closed-loop personalized training of visual accommodation function through the cooperation of diopter change and visual training, and parameter adaptive optimization based on user feedback.
Owner:XIANGYA HOSPITAL CENT SOUTH UNIV

A device for improving the conditions of an eye

The subject invention pertains to systems and methods to improve the condition of an eye and to either treat or lower the risk of diseases such as glaucoma. Systems and methods are provided for increasing compliance, improving circulation and fluid flow, or promoting tissue cell metabolism by warm compress, and / or irradiation at single or multiple wavelengths (e.g., between 780 to 950 nm or between 550 to 700 nm), and / or application of static and / or dynamic pressure to the eye. Embodiments provide a wearable head set with pressure controlled goggles, controlled irradiation sources, and temperature-controlled heat sources or pads exposed to or in contact with the eye or surrounding region to warm up the tissues of the eye and promote the vasodilation of the blood vessels at the eye as well as circulation within the blood system connected to the Schlemm's canal or other regions in or around the eye.
Owner:THE HONG KONG UNIV OF SCI & TECH

A shaft control instrument

The application relates to the technical field of optical equipment, in particular to a control axis instrument, which comprises a pupil distance adjusting mechanism, a light source generating device and a supporting mechanism, the light source generating device is installed at the rear end of a lens barrel, the supporting mechanism is used for installing and supporting the pupil distance adjusting mechanism and the light source generating device, the pupil distance adjusting mechanism comprises a lens barrel holder, an adjusting assembly and a limiting assembly, the lens barrel holder is used for installing the lens barrel, the adjusting assembly comprises an adjusting wheel and a transmission part, the adjusting wheel is connected with the transmission part, the limiting assembly comprises a limiting cavity, the limiting cavity is used for limiting and guiding the movement of the transmission part, the adjusting wheel drives the transmission part to move under the guidance of the limiting cavity, and then drives the corresponding lens barrel holder to move, so that the corresponding lens barrel and the light source generating device can move with the lens barrel holder; compared with the prior art, the application has the beneficial effects of a stable adjusting mode of multiple pupil distances, replaceability of the lens, combination of the rotating assembly and the lens diversity, good applicability and application range.
Owner:徐春明

Amblyopia training device

An amblyopia training device includes a bracket unit, a virtual reality unit including a display headset, a dichoptic training unit with contrast color filters including first and second contrast color filters, a binaural audio stimulation unit including paired speakers for playing binaural beats music, a transcranial stimulation unit connected to the rear side part, and a control unit. The bracket unit includes top and rear side parts, and ears part. The control unit is electrically connected with the display headset, the speaker and the transcranial stimulation unit. The amblyopia training device provided by the invention can stimulate the user in various ways through the display headset, the speaker, the first and second contrast color filters and the transcranial stimulation unit, so as to achieve the synergistical effect of activating the visual center of the user to increase the visual acuity in person with amblyopia.
Owner:ZHUHAI ULOOK METABRAIN MEDICAL TECH CO LTD +1

Vision training device

ActiveEP4477133B1GogglesEye exercisers
The present invention relates to a vision training device, comprising a main body including at least one ocular hole positioned to correspond with an eye of a user wearing the vision training device, a line of sight axis being defined to intersect with the ocular hole, a lens unit including a plurality of lenses respectively having different diopter values and a lens holder that supports the lenses with an interval between the lenses of the lens holder, a drive motor configured to move the lens holder so that one of the lenses of the lens unit is disposed on the line of sight axis, and a control unit configured to set a training time associated with each lens of the plurality of lenses based at least in part on a stored accommodation time for the respective lens and cause the respective lens to be disposed on the line of sight axis during the training time.
Owner:EDENLUX CORP

Character learning device for ciliary muscle exercise

The utility model discloses a character learning device used for ciliary muscle exercise, a slide rail is arranged in a device main body, the slide rail is slidably connected with oppositely arranged moving mechanisms, one side of each moving mechanism is provided with a display screen, the moving mechanisms drive the display screens to transversely move along the slide rail, and the display screens are arranged on the slide rail. According to the character learning device, the moving mechanism is arranged in the character learning device to realize transverse movement of the two display screens, so that far and near changes of virtual images formed after focusing of human eyes are realized, ciliary muscles are relaxed and exercised while people learn, and the learning efficiency is improved. And the risk of myopia caused by ciliary muscle tension due to long-time short-distance reading and learning is reduced.
Owner:王海舟

Myopia reversal treatment device based on composite optical adjustment and biological stimulation synergy

ActiveCN120753923BElectrotherapyEye exercisersCorneal curvatureReal time analysis
The present application relates to myopia treatment technical field, especially to a kind of based on the synergistic effect of composite optical regulation and biological stimulation myopia reversal treatment device.The device includes the synergistic operation between adjustable optical training module, micro-current stimulation module and intelligent control system, wherein the adjustable optical training module is by the dynamic defocus design of the region corresponding to double lens, to synchronously drive adjustment corresponding diopter difference range, and guide ciliary muscle to carry out focusing-relaxing alternate training;The micro-current stimulation module can output adjustable pulse current, and synchronously integrate PID temperature control system to maintain hot compress temperature;The intelligent control system is to real-time analysis eye axial length, corneal curvature and adjustment lag, dynamically optimizes the corresponding parameters of the adjustable optical training module and the micro-current stimulation module, to realize the precise regulation and control of individualized myopia reversal treatment scheme.The present application can realize the effective reversal and prevention and control of myopia.
Owner:GUANGDONG NO 2 PROVINCIAL PEOPLES HOSPITAL

Functional glasses with myopia prevention and astigmatism training functions

The invention discloses a pair of functional glasses with myopia prevention and astigmatism training functions, which comprises a main frame, telescopic locking adjusting assemblies are sleeved in two sides of the main frame, and the tail ends of the adjusting assemblies are hinged to glasses leg assemblies (comprising side frames and telescopic legs); a nose support and an n-shaped lens guide frame are arranged on the lower surface of the main frame, and two sets of lockable lens assemblies are connected to the lower surface of the lens guide frame in a sliding mode. A lens main body of the lens assembly is provided with a central optical area (correcting retinal center defocus), a vertical upper concave lens area (a fan-shaped annular concave lens, and the area ratio of the concave lens to a blank area is 2: 3-3: 2), a nasal side / bitamporal diffraction area (a high-filling-density convex lens) and a vertical lower edge comfortable area (a low-filling-density convex lens). The myopia prevention and astigmatism training device can adapt to different facial forms, myopia prevention and astigmatism training are flexibly achieved, abnormal extension of the ocular axis is restrained through a dynamic defocus signal, the prevention and control effect can still be maintained when the glasses slide down or the degree rises, and the use stability and comfort are improved.
Owner:CHENGDU CENTURY YONGGUANG GUANGMING GLASSES CO LTD

Head mounted device and methods for training peripheral vision

A method for relaxing gaze and / or training attention to peripheral vision, comprising providing visual stimuli 107 simultaneously to the left and right monocular regions of a subject’s peripheral visi
Owner:GEOFFREY MICHAEL FALK

Wide-range diopter adjustable optical system for ciliary muscle training glasses

The invention discloses a wide-range diopter adjustable optical system for ciliary muscle training glasses, and relates to the technical field of diopter adjusting.The wide-range diopter adjustable optical system comprises a glasses body, glasses legs are rotationally connected to the two sides of the glasses body, and mounting grooves are formed in glasses frames on the two sides of the glasses body; and a positive focal power lens and a negative focal power lens are arranged in the mounting groove. According to the ciliary muscle training glasses, the optical lens group capable of being dynamically adjusted is introduced and matched with the driving mechanism and a precise control mechanism, continuous and precise adjustment of the refractive power is achieved, the glasses can adapt to individualized refractive states of different users, the limitation that existing equipment is only suitable for people with specific vision is overcome, the applicable group is widened, and the application range of the glasses is widened. The optical system provided by the invention can be used as a standardized functional module, not only can be adapted in a spectacle frame, but also can be used in equipment, so that the consistency, the reliability and the quality controllability of a product in a production stage are remarkably improved, and a foundation is laid for large-scale application.
Owner:SHENZHEN XINSHIKANG TECHNOLOGY CO LTD

Intelligent visual perception training method, system, medium, program product and terminal based on micro visual field and Gabor visual target

The invention provides an intelligent visual perception training method and system based on a micro-view and a Gabor sighting mark, a medium, a program product and a terminal, and the method can generate personalized initial training regions and training sighting marks for different patients through importing a micro-view inspection result and combining with the positioning of a residual function region and micro-view sensitivity, thereby improving the training efficiency. Therefore, the training effect is obviously improved. Meanwhile, stimulation parameters are dynamically adjusted according to patient performance, so that the training content is always matched with the visual ability level of the patient. The characteristics of controllable spatial frequency, direction, contrast ratio and the like of the Gabor sighting target are utilized to construct a multi-level task from easy to difficult, and the diversity and suitability of training are improved. The data-driven weight mechanism not only enhances the scientificity of training, but also provides visual rehabilitation progress reference for clinicians. According to the method, the precise positioning capability of the micro-view and the multi-dimensional stimulation advantage of the Gabor visual target are fully utilized, and the rehabilitation effect and compliance of the low-vision patient are remarkably improved by combining the precise positioning capability with the multi-dimensional stimulation advantage of the Gabor visual target.
Owner:SHANGHAI EYE DISEASE PREVENTION & TREATMENT CENTER

A transparent controlled zoom optical system with ciliary muscle accommodation induction function

The application discloses a transparent controlled zoom optical system with ciliary muscle induced regulation function, which is transparent and arranged on the light path between a human eye and an observation target object; the system comprises a control module for driving continuous longitudinal displacement of an optical focus; the system can be controlled to generate smooth and continuous change of diopter, so that the virtual image focus is generated to make smooth and continuous reciprocating displacement along the optical axis direction. The application does not rely on digital space modeling, directly generates continuous and smooth focus displacement on the longitudinal optical axis through controlled change of physical parameters of an optical medium, utilizes the passive and natural following characteristics of the human eye to the focus, stretches the ciliary muscle, intervenes in pseudo myopia and relieves visual fatigue.
Owner:李尔华

Device to prevent vision deterioration due to the use of display devices

To provide a device for preventing the lowering of eyesight and asthenopia of a user by using a display device such as a portable terminal.SOLUTION: A device for preventing the lowering of eyesight of the present invention is provided in a display device having a front camera provided on a surface side on which a display screen is present. The device for preventing the lowering of eyesight includes: a congestion state measuring device that measures a congestion state of eyes of a user who views the display screen of the display device; an alert unit that issues a predetermined alert; and an alert instruction determination unit that compares the congestion state measured by the congestion state measuring device with an alert congestion state stored in advance and instructs the alert unit to issue an alert when it is determined that a predetermined condition is satisfied.SELECTED DRAWING: Figure 2
Owner:KYODO

Methods and systems for assessing dynamic visual acuity using VR-based motion and target recognition tasks

A virtual eye test for evaluating dynamic visual acuity can be conducted in a virtual reality (VR) environment. The test utilizes an electronic device equipped with a head-mounted display (HMD) and a camera. The device generates a VR user interface corresponding to a three-dimensional virtual environment and renders it on the HMD. Real-world motion and target recognition visual tasks are simulated within the VR interface. Using the camera, the device tracks eye movements and response times to visual stimuli presented during these tasks. Dynamic visual acuity is measured based on the tracked eye movements and response times, providing a comprehensive assessment of visual performance in motion-based scenarios.
Owner:ZENNI OPTICAL

Eye light therapy system and device

ActiveCN121550596BAdjust object distanceAbility to adjust near and far visionEye exercisersLight therapyLight therapyOphthalmology
The application discloses an eye light therapy system and device, which comprises a light system including a light source module for emitting light, a reflection system for reflecting the light to the user's eyes, and an adjustment system for adjusting the position of the light source module in the light system and / or adjusting the position of the reflection system to adjust the object distance of the light source module. The application can also adjust the object distance of the light system during the process of the light system irradiating the eyes, so as to change the distance between the visual image seen by the user's eyes and the eyes, move the visual image seen by the user in the distance, adjust the ability of the user to see near and far, and improve the sensitivity of the human eye to near and far.
Owner:BEIJING AIRDOC TECH CO LTD +1

Myopia correction intelligent glasses system based on critical focal length active intervention and training method

The invention discloses a critical focal length active intervention-based myopia correction intelligent glasses system and a training method, and relates to the technical field of vision correction. The system adopts an ultrathin aspherical lens (refractive index 1.74) design, focuses 12-45-year-old 0-600-degree myopic users, and realizes personalized intervention through a degree segmentation training model; the core method comprises the following steps: detecting a real degree D0 for multiple rounds, calculating a critical compensation degree D2 constrained by hardware in combination with a visual object distance L, taking the D2 as a unique reference for visual training and close-range active intervention, dynamically adjusting the training intensity, and carrying out progressive intervention on close-range eye use. According to the method, the scientific theory, the ultrathin lens design and the degree segmentation adaptation are deeply combined for the first time, the core innovation lies in a closed-loop system of critical focal length unified calculation and training and intervention sharing the same reference, the pain points that in the prior art, the theory cannot fall to the ground and the height number wearing experience is poor are solved, creativity and falling performance are achieved, and the method is suitable for large-scale popularization and application. The glasses can achieve degree control and vision recovery, meet daily wearing requirements, and have remarkable practical value and innovation value.
Owner:覃和平