38 results about "High level vision" patented technology

A contact lens providing high visual acuity with the comfort of a soft lens includes a thin layer of hard lens material at the front surface of the contact lens; and a second soft lens material layer at the posterior portion of the lens. The soft lens provides a contact area substantially in contact with the central region of the cornea. The first layer is bonded on top of the second layer directly or through a third elastic material layer. Manufacturing methods overcome problems of swelling of the soft lens component during hydration.

A processor device having electronic endoscopes having different number of pixels of CCDs is provided with a DVI circuit for generating a digital video signal of display standard of a personal computer, etc. and outputting it as a differential signal, and a high vision system converter is connected to and arbitrarily removed from the output side of the DVI circuit. In the high vision system converter, a video signal having different number of pixels is electronically scaled to a number of display pixels of, for example, an SXGA standard by detecting the number of pixels of the input digital video signal, and is displayed on a high vision screen. Thus, the resolution of the image of the CCD can be maintained.

A lens, system and / or method for providing custom ocular aberrations for enhanced higher visual acuity. Scaled versions of a patient's aberration pattern may either attenuate or amplify the overall amount of ocular aberrations, to either correct or partially correct a patient's aberrations leading to enhanced visual acuity and / or extended depth of focus. This may be binocularly applied in order to provide high visual acuity in a patient at least at near, far and intermediate distances. The method may include obtaining an optimized binocular summation of both eyes of the patient; designing a first lens solution to correct or partially correct the dominant eye's aberrations according to an attenuated scaled version of a patient's ocular aberrations in the dominant eye; and designing a second lens solution to provide an additional customized extension of depth of focus by the induction of scaled patterns of ocular aberrations in the non dominant eye.

A contact lens providing high visual acuity with the comfort of a soft lens includes a thin layer of hard lens material at the front surface of the contact lens; and a second soft lens material layer at the posterior portion of the lens. The soft lens provides a contact area substantially in contact with the central region of the cornea. The first layer is bonded on top of the second layer directly or through a third elastic material layer. Manufacturing methods overcome problems of swelling of the soft lens component during hydration.

An active semiotic system creates implicit symbols and their alphabets from features, structural combination of features, objects and patters, creates models with explicit structures that are labeled with the implicit symbols, and derive other models in the same format via diagrammatic- and graph transformations. The active semiotic system treats vision as a part of a larger system that converts visual information into special knowledge structures that drive a vision process, resolve ambiguity and uncertainty via feedback projections, and provide image understanding that is an interpretation of visual information in terms of corresponding knowledge models. Mechanisms of image understanding, including mid- and high-level vision, are presented as methods and algorithms of the active semiotic system, where they are special kinds of diagrammatic and graph transformations. Derived structures, and not a primary view, are the subject for recognition, and such recognition is not affected by local changes and appearances of the object from a set of similar views, thereby allowing a robot or unmanned vehicle to interpret images and video similar to human beings for better situation awareness and intelligent tactical behavior in real world situations.

The invention relates to glasses beneficial to amblyopia recovery. Each pair of glasses comprises a glasses frame, a bridge of the nose, glasses legs and glasses lenses, wherein luminous bodies are arranged at the glasses frame, the bridge of the nose and the glasses legs, and one glasses leg is provided with an adjusting switch while the other glasses leg is provided with a battery placing chamber and a power charging hole; the angle between the glasses frame and each glasses leg can be freely adjustable within a range of 0-180 degrees, and caulking grooves used for assembling the glasses lenses are formed in the lower edge of the glasses frame; the glasses lenses can be embedded into the caulking grooves and fixed on the glasses frame, and a controller, which is used for controlling the luminous bodies or the glasses lenses to light or extinguish in sequence according to a procedure, is arranged on the bridge of the nose; the luminous bodies, the glasses lenses, the controller, a battery and the adjusting switch are connected through a flexible circuit board, the glasses lenses adopt liquid crystal glasses lenses set by an electronic program, and the liquid crystal glasses lenses is adjustable in luminosity, covering time and covering time interval according to the different degrees of amblyopia eyes. The glasses beneficial to amblyopia recovery and an application method thereof have the advantages of being beneficial to improving visual fatigue and eyesight.

The embodiment of the invention provides a display device light source module for promoting growth and repair of retinal cells and visual neurons, a display screen and application. The module comprises a light source capable of emitting visible light with the spectral wavelength of 400 to 700nm and far-red light with the wavelength of 650 to 900nm. The light source in the light source module can emit far-red light with the wavelength of 650 to 900nm; and the far-red light with the wavelength has a promotion effect on growth and repair of retinal cells and visual neurons. According to the embodiment of the invention, a technical problem that damaged retinal cells and visual neurons cannot be repaired in the prior art is solved. Therefore, the damages of a liquid crystal display television with an LED as a backlight source and other electronic display screens with LEDs emitting light actively or passively as light sources on vision health of human eyes can be reduced, the vision is improved, and the eye health is improved. The invention provides a solution for developing a vision health liquid crystal television and a display screen.

The invention discloses a dynamic eye health management system, which comprises an image display module for acquiring user identity data, original eye using habit data, human eye vision and visual functions, an image detection module for acquiring human eye position and eye images and diopter data, a biological parameter measurement module for acquiring eyeball biological parameters, a cloud storage module used for packaging and storing eye using habit data of a user, eye vision, visual functions, eye position and eye images, diopter, eyeball biological parameters and the like, and an administrator terminal used for obtaining a diopter development trend and evaluating eye health conditions through big data mining modeling, machine training and machine learning; and the image display module, the image detection module, the biological parameter measurement module and the administrator terminal are respectively connected with the cloud storage module and are all embedded in a man-machine interaction terminal. According to the invention, the convenience of vision and eye diopter screening and vision development monitoring is improved, so that a perfect child eye health management system is formed.

The invention comprises: a image memory 1, a component for executing the high level vision 2, a basic polygon transform component 3, an orthogonal location transform component 4, a free difference operation component 5, a target outline extracting component 6, and an energy function minimizing component 7.

The invention provides an image processing method, device and system, electronic equipment, a storage medium and a display device. The method comprises the steps of obtaining target vision information, selecting a target compensation network model corresponding to the target vision information from a preset compensation network model set, and compensating the to-be-output image according to the target compensation network model; and outputting the compensated image to be output. A target compensation network model corresponding to target vision information is selected from all compensation network models; the to-be-output image is compensated through the target compensation network model; complex structural design is not needed; the complicated structure caused by arranging other optical devices in the related technology is avoided; the technical effect of saving the cost is achieved, different compensation network models are selected to compensate the image to be output on the basis of different vision information, the technical effects of general practicability and application flexibility can be achieved, and therefore the visual experience of a user with abnormal vision is improved.

The invention relates to the technical field of medical equipment, and discloses a visual training instrument which comprises a shell, wherein a sight hole is arranged on the front part of the shell; a containing cavity is arranged in the shell; a light-emitting device is arranged in the shell and used for emitting a light source; deflection lenses deflect light rays to form the deflection angle and the rotation angle of the light rays; and a plurality of deflection lenses are mutually connected through connecting pieces. According to the visual training instrument, through an arranged optical wedge component, laser emitted by laser light sources arranged in a matrix mode can penetrate through the pupils to irradiate eye grounds of the human eyes, through two sets of identical symmetrical structure shapes, the training environments of the eyes can be basically the same, a recovery difference caused by the recovery environments is reduced, and a visual training effect is improved. Array light source modules can change the illumination intensity of the array light source modules by changing the number of the lightened laser light sources, and a training effect is adjusted.

The invention provides a vision test prompting method and wearable equipment. A sighting mark corresponding to a preset vision level is output and displayed in a screen of the wearable equipment; since the preset vision level, the ideal distance and the size of the sighting mark have the corresponding relationship, the ideal distance is determined based on the preset vision level, and the practical distance between a user and the screen is tested; and when the practical distance is inconsistent with the ideal distance, prompt information is output to require the user to adjust the distance, so that the independent vision test without the help of others can be realized. The distance of the user can be adjusted according to the relationship between the practical distance and the ideal distance, and the sight distance between the sight of the user and a depth-of-field camera of the wearable equipment can also be adjusted, so that the vision testing accuracy is further improved.

The invention relates to a vision detection method, system and device. The method comprises the following steps: obtaining a pre-stored electronic visual chart, and enabling the electronic visual chart to be displayed in a terminal and a display screen; obtaining a sighting mark selected by a detector from the electronic visual chart of a terminal, and marking the sighting mark in a display screen; obtaining a reply result of a tester to the marked sighting mark in the display screen; judging whether the reply result of the tester is the same as the selected sighting mark or not; and performing the next round of detection according to a detection mechanism until the detection is finished, and outputting a detection result. The vision testing efficiency can be improved, and the labor intensity of an operator is reduced. The device automatically judges the test result, improves the accuracy, and avoids manual judgment errors.

The invention provides an intelligent vision detection system. The intelligent vision detection system comprises an intelligent visual chart and an input device, the intelligent visual chart comprises a chart box, and a visual chart panel is arranged on the chart box. The visual chart panel is provided with test standard characters, the rear part of the visual chart panel is provided with LED indicating lamps, and the positions and the number of the LED indicating lamps are in one-to-one correspondence with those of the test standard characters on the visual chart panel; the meter box is also internally provided with a single-chip microcomputer programmable controller, a signal receiver and a loudspeaker. The LED indicating lamp, the signal receiver and the loudspeaker are all connected with the single-chip microcomputer programmable controller through signal lines. A direction selection module and a signal sending module are arranged in the input device; the method and the device are used for realizing intelligent operation of vision detection and improving the accuracy and efficiency of vision detection.

The invention relates to an ophthalmic movable eye chart, which belongs to the technical field of vision testing. The ophthalmic movable eye chart of the present invention comprises a frame body and a box body, a lifting movable frame is arranged on the upper side of the frame body, a supporting horizontal frame is arranged on the upper side of the lifting movable frame, and a vertical adjustment corrector is arranged on the right side of the supporting horizontal frame, The right side of the longitudinal adjustment corrector is equipped with a horizontal adjustment corrector, and the right side of the horizontal adjustment corrector is equipped with a box supporting and fixing frame. The box is provided with a vision detection strap, the left side of the vision detection strap is provided with an optotype detection table, the upper side of the vision detection strap is provided with a conversion drive drum, and the lower side of the conversion drive drum is provided with a lighting backlight panel. The invention has comprehensive functions, convenient adjustment and use, and convenient operation, and can normally perform vision tests on different types of patients in various environments, can effectively improve the accuracy of vision test results, and greatly improve the work efficiency of ophthalmic medical personnel.

The invention relates to a control method of an optometry unit. The method comprises the following steps of: acquiring first image information; presetting a first minimum threshold value, a second minimum threshold value and a maximum threshold value of the diameter of the pupil according to the first image information; acquiring detection information; judging whether the detection information is adjustment information or not; if yes, adjusting a sighting mark and an auxiliary objective lens according to the adjustment information; if not, acquiring second image information, which is the diameter of the pupil of the current eye; judging whether the second image information is larger than the first minimum threshold value of the pupil diameter or not; if not, giving an alarm to remind the detected person of detection after rest; and if so, completing the detection. The method has the effect of improving the accuracy of vision detection.

The invention discloses a method, a device, a medium and equipment for detecting eye vision based on a smart watch; the method specifically comprises the steps: adjusting the brightness of a display screen according to the environment light sensation, and determining a user selection result through the operation triggered by a user in a state of sequentially displaying different levels of vision detection symbols; then when the user selection result is consistent with the vision detection symbols, the vision detection symbols of the next level are displayed in sequence, or / and when the user selection result is inconsistent with the vision detection symbols, according the vision detection symbols of the previous level, determining the user detection result. According to the method and device for detecting the eyesight based on the smart watch, the medium and the equipment, the convenience of eyesight detection can be improved, the eyesight detection function is set on the smart watch, and the surrounding incident light is adjusted to adapt to the eyesight detection environment; therefore, a user can conveniently and directly detect the eyesight, and the manpower and material resource cost of traditional eyesight detection is reduced.

The invention relates to an eyesight detector, and comprises an eyesight test device connected with a test head hoop and a signal transmitting device; the test head hoop comprises a spectacle frame, and a distance-measuring sensor transmitting module arranged on the spectacle frame and eyeglasses rotationally connected with the spectacle frame; the signal transmitting device includes a key moduleand a signal transmitting module electrically connected with a first microcontroller; and the eyesight test device includes a magnetic levitation base and an optotype box levitated above the magneticlevitation base through magnetic force; and the optotype box includes a second microcontroller arranged in the box, a distance-measuring sensor receiving module electrically connected with the secondmicrocontroller, a signal receiving module, an LED indicator set and a data transmission module. The eyesight detector provided by the invention can improve the efficiency of eyesight detection, reduce the workload of medical staff, and meet the requirements of actual application .

The utility model relates to a therapeutic instrument, which is simple in structure and can gradually improve vision by long-term staring training of eyes in or out of a distance of distinct vision ofeyes, for correcting myopia by naked-eye staring. The therapeutic instrument is placed in a vertical or horizontal posture on a desktop beyond the near point of the eyes of a staring person or hung on a wall beyond the near point of the eyes of the staring person. A light window is arranged on the front of a shell, and a rear-stage reflector capable of clearing imaging character patters on an object space target plate in such a manner that the size of the aperture angle entering the pupils of the staring person is adjustable and located in the near point position of the eyes of the staring person and reflecting out of the shell via the light window is arranged in the position, opposite to the light window, of the shell. The myopic patient can use the therapeutic instrument, under the condition of relaxation of ciliary muscle, the ciliary muscle is trained by adjusting the size of the aperture angle of images in human eyes stage by stage, and the ciliary muscle of myopia can recover to original adjusting capacity after long-term training.

The present invention is applicable to the field of medical care and provides an auxiliary method and system for vision correction. The method includes: detecting the user's initial vision data through an optometry device; generating training data corresponding to the user's initial vision data, The training data includes a training lens type; according to the user's initial vision data and the training lens type, the training lens power is obtained; the training lens power is adjusted, and the user's initial vision data is adjusted to Within the preset vision range; select a training lens corresponding to the adjusted training lens power and the training data, and use the training lens to perform corresponding training operations on the user. In the embodiment of the present invention, there is no need to improve vision through surgery, which can effectively avoid the risk of surgery and the occurrence of sequelae. Moreover, through training with scientific training data, vision rebound is not easy to occur, the diopter can be reduced, and the eye axis can be shortened.

The invention discloses a visual chart suitable for a clinical test and a use method of the visual chart. The optotype size, the geometric increase rate, the line number, the optotype spacing and the line spacing of the visual chart all adopt international standards, and the innovation point is that each row of optotypes of an optometry chart (chart R) is composed of a C optotype with a gap and four rolling E optotypes. Each of the two optotypes has upward, downward, leftward and rightward orientations. The standardized operation specifications of the ETDRS visual chart and ETDRS optometry are gold standards of international clinical drug trials. On the basis of the rolling E optotypes commonly used by Chinese people, the combination of the two optotypes is provided in the newly designed optometry chart, namely, one C optotype exists in each row of rolling E optotypes, so that the requirements of identification and expression habits of Chinese people are better met during use, meanwhile, qualitative and quantitative measurement and verification of the axial direction and the degree of astigmatism of a subject can be performed, and the vision detection efficiency and accuracy can be improved.

The invention provides a lens group structure for vision detection, and belongs to the technical field of computer algorithms. The lens group structure for vision detection comprises a support, a connecting sleeve, a first lens, an adjusting sleeve and a second lens. The first lens is mounted on the inner side of one end of the connecting sleeve. The adjusting sleeve is in threaded connection withthe other end of the connecting sleeve, and a first limiting piece is arranged on the inner wall of the adjusting sleeve. One side of the second lens abuts against the other end of the connecting sleeve, and the other side of the second lens abuts against the first limiting piece. The first limiting piece is used for being matched with the connecting sleeve to adjust the curvature of the second lens. The outer edge of the second lens and the inner wall of the connecting sleeve are spaced from each other by a certain distance. The first lens, the connecting sleeve and the second lens form a light-transmitting area. The first lens and the second lens form a lens assembly. The lens assembly adjusts the diopter by means of the first limiting piece. The invention further provides a vision detection method. According to the lens group structure for vision detection and the vision detection method, the vision detection efficiency can be improved.

The invention provides an amblyopia training instrument. The amblyopia training instrument comprises a display module, a sight tracking module and an image processing module. The display module is used for displaying field-of-view contents and can display the left eye field-of-view content, the right eye field-of-view content and the binocular field-of-view content. The sight tracking module tracks a sight track of a user. The display module displays the binocular field-of-view content including a motion target. The sight tracking module tracks gazing tracks of the left eye and the right eye of the user to the motion target, judges the dominant eye and amblyopic eye according to the approaching degree of the gazing tracks and a real motion track of the motion target and records the binocular gazing tracks. The display module displays the field-of-view contents including the motion target repeatedly for multiple times to the amblyopic eye according to the judging result and records a gazing track that the amblyopic eye gazes the motion target. According to the amblyopia training instrument, the eyesight training scene can be enriched effectively, and the eyesight improvement efficiency is improved.

The invention relates to the technical field of vision training and in particular relates to a vision recovery training instrument and a working method thereof. The vision recovery training instrumentcomprises an image scene component, an imaging component and a view window, wherein the view window is used for observing an image of the image scene component through the imaging component; the imaging component is internally provided with a light source; and the light source is suitable for scintillation so that the image is alternately bright and dark. By adopting the vision recovery traininginstrument provided by the invention, the image of the image scene component is observed through the view window, while the image of the image scene component is observed, human eye blink is simulatedthrough light source scintillation in the imaging component, then eye ciliary muscle can be stimulated, vision organs can continuously adjust mechanisms of selves through training, and thus the purpose of correcting or even substantially treating myopia or poor eyesight can be achieved; and in addition, due to adoption of the imaging component of the vision recovery training instrument, basic situations of vision of a user can be primarily understand, bases can be provided for vision training, vision training can be specific, and the vision training effect can be improved.

The invention provides a self-service vision detection method and device and a computer readable storage medium. The method comprises the steps of: prompting a driver to sit at a designated position; judging whether a violation operation exists or not, and if yes, terminating vision detection; if the violation operation does not exist, proceeding to the next step; detecting a distance from the driver to a screen, and adjusting a visual chart to carry out zooming display according to the distance; prompting the driver to shield a specified eye; judging whether eye shielding is correct or not, if yes, proceeding to the next step, and if not, prompting the driver to shield the eye again; and prompting the driver to answer the question, and judging the vision level of the driver according to a case whether the answer is correct. According to the invention, cheating can be intelligently prevented by adding the illegal operation judgment step and the eye shielding correctness judgment step. By adjusting the zooming of the visual chart according to the distance, the vision detection precision can be improved. The vision detection method is automatically operated in the whole process, and the labor cost is saved.

The invention provides a vision dynamic detection and early warning method, and is applied to a vision detection device, the vision detection device is connected to the Internet of Things, and the method comprises the following steps: starting the vision detection device, detecting environmental conditions, detecting man-machine distance, and displaying vision marks on a display screen according to a conversion proportion; a user inputs a remote control value through the remote controller, and the vision detection device judges the accuracy according to the input remote control value; the size of the vision mark icon is changed according to the accuracy of the remote control value; after vision detection is finished, a detection numerical value is calculated and stored according to a vision detection standard distance formula, and then a data statistics interface is entered; recent vision detection values are counted, an oscillogram is drawn, and changes of the vision values and historical data are judged to give an early warning; compared with the prior art, the method has the advantages that the constraint of fixed-distance detection can be broken through, the application range of vision detection is widened, and the early warning effect of early warning in time and early warning for preventing unhappened myopia can be achieved through long-term detection tracking and vision change trend analysis.

The invention discloses a vision training method for improving vision. The vision training method comprises the following steps of inputting a basic vision training scheme; collecting vision information of a user and obtaining body function information of the corresponding user; generating initial vision training information according to the vision information of the user, the body function information of the user and the basic vision training scheme; acquiring real-time vision information of the user after initial training; and according to the real-time vision information and the basic vision training scheme, adjusting the initial vision training information, and generating vision training adjustment information. The invention relates to the technical field of visual training correction. According to the method, multiple fields and human body functions are combined for targeted human body vision training, and the vision of people is effectively improved.

The invention relates to a vision detection system and detection method. The method comprises the following steps: obtaining a pre-stored electronic visual chart, and displaying the electronic visual chart in a display screen; selecting one sighting mark in the display screen, and marking the sighting mark in the display screen; obtaining a reply result of the tester to the marked sighting mark in the display screen; judging whether the reply result of the tester is the same as the selected sighting mark or not; and performing the next round of detection according to a detection mechanism until the detection is finished, and outputting a detection result. The vision testing efficiency can be improved, and the labor intensity of an operator is reduced. The system automatically judges the test result, improves the accuracy, and avoids manual judgment errors.

The embodiment of the invention discloses a password input method and device, a controller and a computer storage medium. When a voice password input mode triggered by a user is received, a password feedback mode is switched into a voice broadcast mode; when an input instruction triggered by a user is received, voice broadcast on the element content corresponding to the input instruction is carried out; when a confirmation instruction triggered by the user based on the input instruction is received, voice broadcast is carried out on the element content corresponding to the confirmation instruction again; and password is input based on the element content corresponding to the confirmation instruction. In this way, the password input success rate and efficiency of the user with poor eyesightare improved.