696results about "Eye exercisers" patented technology

The invention provides a VR-based dynamic visual function training method and device, a medium, a program product and a terminal. An initial training task type and configuration parameters are generated according to a visual evaluation result of a patient, a sighting mark and a stimulation signal for visual function training are constructed, and training is executed through a VR unit. In the training process, feedback data of a patient is collected in real time, a real-time evaluation result is analyzed and generated, task types, configuration parameters and sighting marks are dynamically adjusted, and new stimulation signals are generated to continue training, so that dynamic optimization of training content is achieved. Through real-time evaluation and dynamic adjustment, the problem that the training content is not matched with the requirements of the patient is solved, the defects of a traditional method in the aspects of individuation and adaptability are overcome, the training effect is remarkably improved, the requirements of the patient are better met, the training time is shortened, and the efficiency is improved. The device is especially suitable for rehabilitation training of various visual function defects, and has remarkable advantages in the aspect of dynamic visual function recovery.

According to the multi-mode visual stimulation and intelligent self-adaption combined myopia prevention and control system based on the AR glasses, all-weather, personalized and full-scene myopia suppression is realized through multi-module cooperation of sensory visual stimulation, visual function training, AI scene dynamic recognition and directional intervention, self-adaption closed-loop feedback, cloud / offline deployment and the like; through multi-dimensional visual stimulation and real-time physiological monitoring, eye axis growth is accurately regulated and controlled, myopia prevention and control precision is improved, out-of-focus and contrast setting are automatically optimized based on immediate refraction and adjustment feedback, personalized intervention is enhanced, lightweight AI and cloud pre-calculation are introduced, the endurance of equipment is effectively prolonged, an existing AR platform is compatible, the development process is simplified, and the development efficiency is improved. And the user compliance is enhanced.

The invention relates to a self-adaptive visual training method based on eye features, and belongs to the technical field of visual health and artificial intelligence. In order to solve the problems that traditional visual training equipment is heavy in structure, single in training mode and lack of personalized regulation and control and concentration state monitoring, the visual training equipment obtains eye images of a user in real time through an image acquisition module, adopts visual intelligent analysis, extracts double features of eye contours and pupil positions, calculates the visual concentration degree, and improves the visual training efficiency. And a concentration state is judged by combining a dynamic self-adaptive threshold value. When the concentration degree is insufficient, the control module triggers intervention mechanisms such as prompt or training pause and the like, and the remote interaction module uploads data to the cloud platform to generate a personalized training scheme. Intelligent and personalized regulation and control of the training process are achieved, the training effect and compliance are improved, the system is compact in structure and suitable for various scenes, and an efficient solution is provided for vision health.

The microstructure lens comprises a substrate, the substrate is provided with a bright vision area, a first optical area and a second optical area, and the first optical area and the second optical area are arranged around the bright vision area; the first optical area is located between the bright visual area and the second optical area and connected with the bright visual area and the second optical area. The bright vision area is used for generating a clear vision signal; the first microstructure array is arranged in the first optical area and is used for being matched with the substrate to provide a visual signal for stimulating the periphery of the retina; and the second microstructure array is arranged in the second optical area and is used for being matched with the substrate to provide at least two different visual signals for stimulating the periphery of the retina. The first optical area provides single-effect stimulation to compensate relative peripheral diopter close to the center of the retina macular, and lens wearing adaptability of a patient is considered; the second optical zone provides multiple-effect stimulation to compensate for gradually increasing relative peripheral diopter around the retina and delay the time of drug resistance generation of the product, thereby enhancing myopia management efficacy and prolonging efficacy time.

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.

The invention discloses a visual training system and a visual training method, and relates to the technical field of visual training, the visual training system comprises a data acquisition module, an intelligent control module, a visual training module and a data management module; wherein the data acquisition module is used for acquiring initial visual data of a user; the intelligent control module is used for generating a training scheme according to the initial visual data, dynamically adjusting the training scheme according to the real-time training data, and generating and sending a control signal to the visual training module according to the training scheme; the visual training module is used for performing visual training according to the control signal and outputting training data; the data management module is used for storing training data and generating and outputting a visual training report according to all the training data of the user; the visual training report comprises a training progress curve and a vision change curve of the user. According to the invention, an intelligent visual training method can be provided to improve the visual training effect.

The invention relates to the technical field of vision intervention, in particular to an eye muscle regulation ability training method and a visual training graph generation method thereof.According to the eye muscle regulation ability training method, feature information of a trainee and distance information of training are obtained, and a preset image generation network model is used for generating a corresponding visual training graph; the training device is used for training the eye muscle adjusting ability of a trainee. According to the method, the initial distance point location is matched based on the eyesight data of the trainee, the corresponding vision training graph is generated according to the current distance point location and the feature data of the trainee, the training intensity is dynamically adjusted, a personalized training scheme is achieved, the eye muscle adjusting ability is helped to be improved, and the training effect is improved. The problem of poor effect or overtraining caused by inappropriate training intensity is avoided, and the technical problems that in an existing eye muscle training method, due to insufficient individual pertinence, the training effect is difficult to quantify, and training scientificity and systematicness are insufficient are solved.

The invention belongs to the technical field of medical apparatus and instruments, and particularly provides an eye-brain organ complex visual restoration system based on cooperative training, comprising: an eye-brain organ complex construction module for constructing a functional eye-brain organ complex; the signal processing module is used for collecting and processing an initial nerve spike signal generated by the brain organ; the stimulation signal generation module is used for generating an electrical stimulation signal for simulating the response of the photoreceptor through an adaptive modulation algorithm; the signal decoding and mapping module is used for stimulating a brain organ to generate a new nerve spike signal based on the electrical stimulation signal and decoding the new nerve spike signal into an external equipment control instruction; and the closed-loop feedback control module is used for performing closed-loop feedback control and optimization on the eye and brain organ complex visual restoration system based on cooperative training. According to the invention, the visual information in the biological signal can be correctly identified and utilized.

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.

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.

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.

The invention discloses a multi-point defocus management method for intelligent training glasses, and particularly relates to the technical field of defocus management, and the method comprises the following steps: S1, data collection; s2, scene recognition and intention judgment; s3, generating a dynamic defocusing scheme; s4, performing out-of-focus stimulation presentation; and S5, performing effect evaluation and adaptive adjustment. Original isolated eye movement tracking, scene recognition and adjustable optical technologies are organically connected in series through an intelligent decision-making core, an autonomous system capable of managing defocus like automatic driving is formed, the fundamental pain point that a traditional technology is static and rigid and cannot adapt to the dynamic requirement of a user is solved, and the user experience is improved. According to the invention, qualitative change of defocus stimulation from fixing to following is realized, it is ensured that the defocus stimulation can continuously and accurately act on the most critical area of the retina, meanwhile, the definition of the central view is ensured to the maximum extent, the contradiction between the defocus effect and the visual comfort is solved, and accurate intervention is realized.

The invention relates to the technical field of exercise direction distinguishing ability training, in particular to an exercise direction distinguishing ability training system which comprises a training parameter setting module, a training image generating module, a man-machine interaction module, a training process control module and a data recording and analyzing module. The training parameter setting module sets training related parameters; the training image generation module generates a training image; the man-machine interaction module presents a training image, obtains the identification condition of a training individual on the training image, monitors a training environment and a training state, and assists training through a low-frequency modulated intermediate-frequency current; the training process control module controls a training process; the data recording and analyzing module can record and analyze training data and evaluate the overall training process. Through targeted visual stimulation design, rigorous training process control and synchronous combination of training auxiliary equipment, training of the motion direction distinguishing ability is effectively achieved, and the motion direction distinguishing ability of a biological individual is improved.

The invention belongs to the field of visual training, and discloses a dynamic visual training method and system based on naked eye 3D imaging, electronic equipment and a storage medium, and the method comprises the steps: obtaining real-time motion information of eyeballs of a user, and analyzing the real-time motion information to obtain a visual angle change parameter of the user; based on the view angle change parameters, performing feature extraction and matching on input left and right view images by using a parallax estimation algorithm to obtain a pixel-level virtual view; performing dynamic rendering based on the pixel-level disparity map to obtain a 3D view; and generating a training task, selecting the 3D view based on the training task, and training the dynamic vision of the user. According to the invention, an artificial intelligence algorithm is designed by adopting a modular architecture, online learning and updating are supported, intelligent and personalized visual training is realized, and the visual cognition ability of the user can be effectively improved.

The invention discloses a visual function examination training instrument, and relates to the technical field of visual light equipment, the visual function examination training instrument comprises a casing, liquid lenses and a first display screen, the casing is provided with a first hole and a second hole respectively corresponding to the left eye and the right eye of a human body, the first hole and the second hole are both provided with the liquid lenses, and the casing is internally provided with the first display screen. A screen of the first display screen is located in a visible range of the liquid lens, and the liquid lens is electrically connected with electric control equipment used for adjusting supply voltage; according to the principle that the diopters of the liquid lens are different under different voltages, the diopter change of the liquid lens can be controlled by utilizing the electric control equipment, so that smooth zooming, step zooming and jump zooming operations of the liquid lens are completed, the adjustment range, the adjustment precision and the adjustment speed are greatly improved, and the inspection efficiency and the training effect are improved.

The invention relates to a novel reading disorder assessment and intelligent correction method based on EOG. The novel reading disorder assessment and intelligent correction method comprises the following steps: S1, respectively collecting eye movement signal data of a reading disorder child and a normal reading child in a reading process by adopting eye movement collection equipment; s2, filtering the original signal to generate an eye movement diagram, and analyzing transverse and longitudinal movement tracks and directions of eyes; s3, comparing the eye movement images of the reading disorder children and the normal children, and extracting key eye movement characteristic parameters of the reading disorder children and the normal children; s4, analyzing eye movement abnormal characteristics of frequent review of the individual; and S5, assessing the reading disorder through the reading behavior, and assessing the understanding degree of the text segment by using the text-related picture. The intelligent correction module is started to improve the reading effect. According to the method, the motion state of eyeballs, individual attention, visual processing speed, cognitive load and the like are reflected through the change of the electro-oculogram potential, a non-intrusive, real-time and quantitative evaluation and correction scheme is provided, and the evaluation and correction effect of the reading disorder can be remarkably improved.

The utility model provides a protective cover and a fog view screen, the protective cover is applied to the fog view screen, and the protective cover comprises a cover body; one end of the damping rotating structure is connected with the cover body, and the other end of the damping rotating structure is used for being connected with a shell of the fog view screen, so that the cover body is rotationally connected with the shell, and the damping rotating structure has a hovering state. The protective cover and the fog view screen are simple in structure, high in space utilization rate and convenient to manufacture, the dustproof effect requirement can be effectively met, and the service life of the fog view screen is ensured.

The invention provides a binocular fusion visual function training method and device.The method comprises the steps that initial eye positions corresponding to the eyes of a user are obtained, and the initial eye positions refer to position coordinates of images in corresponding display areas when the eyes observe the images displayed in the corresponding display areas to be aligned; horizontally adjusting and vertically adjusting the horizontal position and the vertical position of the image in the corresponding display area based on the initial eye position corresponding to the eyes of the user, so as to determine the horizontal fusion range and the vertical fusion range of the eyes of the user; and in the horizontal fusion range and the vertical fusion range, horizontally and vertically moving the images displayed in the display areas corresponding to the two eyes of the user from the initial eye position so as to carry out user two-eye fusion visual function training. According to the invention, fusion visual function training matched with the situation of the eyes of the user is realized.

The invention discloses a myopia prevention and control device and method based on virtual reality, and relates to the field of myopia prevention and control. The device comprises a control module, an optical display module and a red light module; the control module is respectively connected with the optical display module and the red light module and is used for outputting an image playing instruction to the optical display module and outputting a red light irradiation instruction to the red light module; the optical display module is used for playing 3D outdoor scene video image data based on the image playing instruction; the 3D outdoor scene video image data is an outdoor dynamic natural light environment simulated based on a VR technology, and the 3D outdoor scene video image data realizes far and near conversion through moving a virtual sighting mark so as to guide a user to look far; the red light module is used for emitting low-frequency red light to the eyes of the user based on the red light irradiation instruction. According to the invention, effective myopia prevention and control can be realized.

The utility model discloses a vision training system, which comprises a user terminal and vision training glasses, the vision training glasses comprise a wearable glasses body, an MCU controller, a memory, a first communication module and a display device, the MCU controller, the memory, the first communication module and the display device are arranged on the glasses body, and the memory, the display device and the first communication module are respectively connected with the MCU controller. The visual training glasses are in communication connection with the user terminal through the first communication module; the glasses body is provided with two lens cones which are symmetrically arranged, a visual optical assembly is arranged in each lens cone, the display device is arranged in front of the visual optical assemblies, and driving mechanisms of the two visual optical assemblies are respectively connected with different control signal output ends of the MCU controller. The visual training effect can be improved, and meanwhile the convenience degree of visual training is effectively improved.

The invention discloses an intelligent diopter training system and method based on a multi-modal physiological feedback and reinforcement learning algorithm. The intelligent diopter training system comprises a multi-modal physiological data acquisition module, a central processing PC, a user terminal and a cloud data platform. Visual behavior data, ciliary muscle state data and autonomic nerve reaction data of a user are collected in real time through a multi-modal physiological data collection module, multi-modal physiological data fusion and feature extraction are carried out, and a refraction state evaluation model is used for calculating a comprehensive score of a refraction state grade, visual fatigue and adjustment sensitivity of the current user. A personalized training parameter set of the next training period is dynamically decided and generated based on a reinforcement learning algorithm, and the user terminal presents visual training stimulation according to the current personalized training parameter set. The cloud data platform stores the data and generates a visual training effect trend chart, a diopter change prediction report and personalized training suggestions to complete training scheme personalization, training means intellectualization and feedback evaluation comprehensiveness.

The utility model relates to the technical field of visual training, and discloses a strabismus correction training device which comprises a placing base, a swinging mounting cross rod is arranged above the placing base, a folding rod is further arranged above the mounting cross rod, the folding rod is of a hollow structure, a sliding telescopic rod is inserted into the folding rod, and the telescopic rod is arranged above the placing base. The size of the telescopic rod is completely matched with the size of the interior of the folding rod, and a second positioning rotary knob is installed on the outer portion of the end, corresponding to the telescopic rod, of the driving folding rod. The unfolding angle of the folding rod is adjusted through the bolt outside the installation cross rod to adapt to a user, then the observation plate and the picture album plate which need to be used are installed for use, the unfolding height can be flexibly adjusted when the device is used, the whole device can be folded and stored when the device is not used, and the occupied space of the whole device is reduced; and the use convenience of the device is greatly improved.

A method for virtual-reality-based eye health measurement, according to an embodiment, is performed by a processor of an eye health measuring instrument, which is linked with a head-mounted display, the method including the steps of: providing an eye health condition survey interface; determining an eye health measurement method on the basis of the provided survey interface; measuring eye health conditions with the determined eye health measurement method; displaying the measurement result of the eye health conditions; and providing prescription content on the basis of the measurement result of the eye health conditions.

The invention relates to a visual training method, device and equipment based on a dynamic view field, and the method comprises the steps: obtaining detection data and a training time threshold value of a to-be-trained user, and the detection data comprises long-distance data, short-distance data and measurement precision; detecting the to-be-trained user according to the detection data to obtain vision data before training; determining training data according to the vision data; and according to the training data, carrying out distant view field and near view field alternate cycle training on the to-be-trained user until the duration reaches a training duration threshold, and completing visual training on the to-be-trained user. According to the visual training method based on the dynamic view field, vision data detected by a to-be-trained user is obtained to determine training data, and then the to-be-trained user is subjected to far view field and near view field alternate cycle training according to the training data and a training duration threshold value, so that the eyes of the to-be-trained user really move in the training process; therefore, the training effects of eye fusion image and focusing and diverging function adjustment are obviously improved.

The invention belongs to the field of visual training, and particularly relates to a multispectral dynamic visual function training system and method. The multispectral dynamic visual function training system comprises an image acquisition module, an intelligent analysis module, a control module, a training execution module and a multispectral light source module, the image acquisition module is arranged at a position corresponding to an eye and is used for acquiring image information near eyeballs of a user, personal information of the user and a vision diagnosis result in real time, and the image information comprises eyeball movement tracks, pupil sizes and forms, cornea edge contours and eye white elastic states; and the intelligent analysis module combines the image information and the acquisition time of the image information. According to the scheme, through collection, analysis, regulation and control of a closed loop, the problems that in the prior art, a real-time analysis mechanism based on eyeball images is lacked, the adaptability of a training scheme and eye dynamic characteristics is weak, and precise regulation and control of functions such as light nutrition supplement and choroid stimulation cannot be achieved are solved; and precise training is also realized, and the effects of prevention and protection, cooperative improvement, compliance improvement and the like are achieved.

The invention discloses a pair of binocular visual function training glasses used after strabismus operation, and relates to the technical field of visual rehabilitation training. The interpupillary distance adjusting mechanism is mounted on the upper side of the inner wall of the glasses frame; the two angle adjusting mechanisms are mounted on the two sides of the bottom end of the interpupillary distance adjusting mechanism respectively; the angle adjusting mechanism comprises an adjusting frame, a pitch angle driving assembly, a rotating frame, a lens cone and a miniature display screen. The angle and the position of the visual training pattern displayed by the micro display screen can be dynamically adjusted according to the specific strabismus type and the postoperative recovery condition of a patient, so that the capacity of coordinating the two eyes of the brain visual center is actively exercised and awakened, recovery of the visual functions of the two eyes is promoted, and the recovery effect is improved. By means of the design, the defect of a fixed parameter training lens in the aspect of adaptability is overcome, the binocular cooperation function of the visual center is actively activated through personalized parameter adjustment, and the postoperative binocular fusion capacity and the recovery efficiency of stereoscopic vision are remarkably improved.

The utility model discloses a turnover mirror for visual function training. The visual training bat comprises a supporting rod, a first connecting block, a second connecting block and a plurality of mirror plates, wherein the first connecting block and the second connecting block are detachably mounted on the supporting rod; the mirror plates are detachably mounted on the first connecting block and the second connecting block respectively; and the plurality of groups of elastic positioning assemblies are respectively arranged on the first connecting block and the second connecting block and are used for elastically clamping the mirror disks. The plurality of mirror discs are detachably mounted on the first connecting block and the second connecting block respectively, so that the mirror discs can be detached and replaced conveniently, the corresponding mirror discs can be directly replaced when the lenses need to be replaced, the process of replacing the lenses is greatly simplified, and even a user without professional knowledge can replace the lenses more quickly; through the arrangement of the elastic positioning assembly, each mirror disc can be elastically clamped on the first connecting block and the second connecting block, the operation is rapid and convenient, and the assembly efficiency is improved.

The invention relates to the technical field of myopia prevention and control, and discloses a correction and training integrated lens and glasses based on retina signal gradient remodeling. The lens substrate is divided into a vision correction area located in the center and a multi-dimensional three-dimensional asymmetric optical signal field extending outwards in a gradient mode around the vision correction area. The multi-dimensional stereoscopic asymmetric optical signal field comprises 10000-26000 asymmetric signal field independent units and 400-1500 stereoscopic structure protrusions, wherein the asymmetric signal field independent units are formed on the concave surface of the lens substrate through laser engraving, the diameter range of the asymmetric signal field independent units is 100-300 microns, and the stereoscopic structure protrusions are formed in a protruding mode, and the diameter range of the stereoscopic structure protrusions is 0.5-2 mm. And 4-12 asymmetric signal field independent units are distributed on each three-dimensional structure bulge. The lens does not induce or increase astigmatism due to the structure of the lens, and can relieve the over-stimulation of long-time close-range eye use and abnormal environment illumination signals on the retina, so as to slow down the over-growth of the ocular axis.

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.

A multi-focus adjustable lens-based dynamic visual perception training device disclosed by the present invention comprises a rear supporting shell and a mounting shell, the rear supporting shell is connected with the mounting shell through a connecting assembly, two mounting frames are symmetrically and fixedly mounted on the inner wall of the mounting shell, rotating shafts are rotatably mounted in the mounting frames, and the rotating shafts are connected with the rear supporting shell through a connecting assembly. A sliding table is movably mounted between the mounting frames and the rotating shaft, two mounting frames are arranged on the side wall of the sliding table, and two multi-focus inner lenses are arranged at the bottom of the mounting shell; through the combined action of the high-precision stepping motor, the rotating shaft, the sliding table, the first mounting hole and the second mounting hole, the multi-focus inner lens can be mounted at the bottom of the sliding table through the first mounting hole, the second mounting hole and a bolt, the rotating shaft is driven by the high-precision stepping motor to rotate, then the sliding table can be driven to move, and then the multi-focus inner lens is driven to move. Therefore, the total diopter of the superposition of the multi-focus inner lens and the multi-focus outer lens is adaptive to the myopia degree of the child.