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156 results about "Amblyopias" patented technology

Data analysis method and system for comprehensive therapeutic apparatus for myopia and amblyopia

The invention relates to the technical field of data analysis, in particular to a data analysis method and system for a comprehensive therapeutic instrument for myopia and amblyopia. The method comprises the following steps: acquiring eye data of a patient before treatment, determining preliminary light information before treatment according to the eye data of the patient, and sending the preliminary light information to a comprehensive therapeutic apparatus, so that the comprehensive therapeutic apparatus performs treatment; acquiring a real-time eye image during treatment, and determining a real-time eye state of the patient according to the real-time eye image; according to the initial light information and the real-time eye state, treatment light information is determined, and the treatment light information is sent to a comprehensive treatment instrument to be executed so that the comprehensive treatment instrument can conduct treatment. By analyzing the real-time state of the eyes of the patient, an accurate and reasonable reference basis is provided for determination of the treatment light information, the patient is treated according to the treatment light information, and the treatment accuracy and effectiveness are ensured.
Owner:HUNAN LAITUO INTERNET OF THINGS TECHNOLOGY CO LTD

Amblyopia correction glasses

The utility model relates to the technical field of glasses, and provides amblyopia correction glasses which comprise a glasses body and a color changing module assembly. The glasses body comprises a glasses frame and two lenses; the color changing module assembly comprises electrochromic cover plates covering the two lenses respectively, and a regulator electrically connected with the two electrochromic cover plates respectively; the regulator is used for applying regulation voltage to the electrochromic cover plate so as to regulate and change the coloring state of the electrochromic cover plate; the color changing module assembly further comprises a transmission module, and the transmission module is electrically connected with the regulator and used for transmitting working information of the regulator to the cloud processing center or receiving an instruction of the cloud processing center to correspondingly control the working state of the regulator. According to the amblyopia correction glasses, the shielding degree of the lenses can be flexibly changed, so that an amblyopia patient can wear the glasses in multiple scenes for shielding training, and the coloring degree of the electrochromic cover sheet can be adaptively controlled according to the actual condition of the amblyopia patient.
Owner:SUZHOU BEARSUNNY TECHNOLOGIES INC

Dry eye near-vision care device

ActiveCN309625158SDry eyesOptics
1. The name of the design product: dry eye near weak vision nursing instrument. 2. The use of the design product: for dry eye near weak vision nursing instrument. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Owner:SHENZHEN MOLICARE MEDICAL TECH CO LTD

Lens structure for assisting eye disease rehabilitation by filtering

The invention relates to the glasses industry, and aims to provide a lens structure for assisting eye disease rehabilitation by filtering and a manufacturing method thereof. A traditional lens is mainly used for correcting ametropia, and on the basis, by changing the filtering permeability of the lens, the filter lenses with different colors are used for filtering light rays with different wavelengths, the light rays act on fundus cells, the functions of the fundus cells are affected, and the effects of protection and auxiliary treatment of eye diseases are achieved. Yellow, tawny, gray, red and Finnish green filter lenses and sleep-aiding blue lenses (10%-30% of dyed lenses) are specifically designed. Lenses with different colors have unique filtering characteristics and can play a role in different eye diseases, for example, a light yellow lens is added to amblyopia to accelerate rehabilitation, and a brown lens is added to macular degeneration to suppress disease development. Meanwhile, the invention further provides a lens manufacturing method which comprises the steps of adding a color matching standard, carrying out standard operation on a dyeing heating process and the like, and the lens chromatic aberration is controlled in the horizontal direction so as to ensure the lens quality and the filtering effect.
Owner:WUXI JIMA HEALTH TECHNOLOGY CO LTD

Optometry physician workstation (Jianlan AI+)

1. The name of this design product: Optometrist Workbench (Jianlan AI+). 2. Application of this product design: Used for various visual function tests, comprehensive analysis and equipment management such as myopia, hyperopia, strabismus and amblyopia. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Main view of component 1. 5. Other circumstances that require explanation: This design product includes component 1 and component 2.
Owner:ZHENGZHOU FUSHENGKANG MEDICAL EQUIP CO LTD

Visual training method and system based on dichoptic viewing

PCT designated stage expiredWO2025000707A1Eye exercisersVisual perceptionOptometry
Disclosed in the present invention are a visual training method and system based on dichoptic viewing. The method comprises: determining a dominant eye and a lazy eye of a user according to acquired binocular visual-acuity information of the user, and by means of a dichoptic viewing technique, respectively creating image display channels for the dominant eye and the lazy eye of the user; simultaneously displaying preset first training images in a dominant-eye display channel and a lazy-eye display channel; by means of a preset eye tracking technique and a preset Gaussian blur function, performing Gaussian blurring on each first training image in the dominant-eye display channel, such that by means of the dominant-eye display channel, several second training images which have been subjected to Gaussian blurring are displayed; also displaying the first training images by means of the lazy-eye display channel, such that the visual training of the user is performed; and when a visual training duration of the user reaches a preset time threshold value, completing the visual training of the user. Thus, the effect of visual training is improved.
Owner:GUANGZHOU SHIJING MEDICAL SOFTWARE CO LTD

Cascaded artificial vision substitution compensation mechanism and vision auxiliary enhancement equipment

The invention provides a cascade artificial vision substitution compensation mechanism and vision auxiliary enhancement equipment, and relates to the technical field of artificial vision enhancement, and the mechanism comprises an equivalent convex lens imaging system and a photoelectric imaging system. The equivalent convex lens imaging system is an ultra-short-focus high-convergence equivalent convex lens imaging system formed by one or a series of optical lenses; the photoelectric imaging system captures external image information in real time through the image acquisition equipment, removes depth-of-field information, generates a focus real image for compensating visual adaptation after focal length optimization, and outputs the focus real image to the display equipment to be displayed in front of the visual field of a user; the equivalent convex lens imaging system serves as a substitution mechanism and is located at the near end of a visual axis, the photoelectric imaging system serves as a compensation imaging mechanism and is located at the far end, and the substitution mechanism and the compensation imaging mechanism are sequentially arranged on a light path in a cascading mode from the near end to the far end to form a cascading structure for compensating visual defects. Visual replacement and compensation are achieved at the near end and the far end respectively, and the visual ability of an amblyopia patient is improved.
Owner:温慎洁

System and methods for improving conditions of the visual system

A display system and methods for providing visual stimuli to a user to improve conditions related to amblyopia. The display system comprises a display device configured to provide left and right display elements and a computer unit for providing the visual content to the display device. The computer unit is configured to provide to the left display element left visual content comprising a left base layer and a left stimulation layer and to the right display element right visual content comprising a right base layer and a right stimulation layer. The left stimulation layer and / or the right stimulation layer is / are implemented with one or more mix functions to display a grating image on the display device. The mix functions are configured to exhibit spatial frequency and drift velocity so the grating image of the left stimulation layer and / or the right stimulation layer moves continuously across the display device.
Owner:CATERNA VISION

Device for correcting and preventing amblyopia, strabismus and myopia

The utility model belongs to the technical field of optical waveguide intelligent glasses, and particularly relates to a correcting and preventing device for amblyopia, strabismus and myopia, which comprises glasses, the glasses comprise a display carrier, a control device, a power supply device and a man-machine interaction device, the display carrier is connected with the control device, and the power supply device is connected with the man-machine interaction device. The control device is respectively connected with the power supply device and the man-machine interaction device, the man-machine interaction device can control the display carrier to realize a preset display state through the control device, the full-transparent lens is fused with an optical waveguide display technology, and the myopia prevention and control, the myopia prevention and control, the myopia prevention and control, the myopia prevention and control and the myopia prevention and control are integrated. The device integrates the functions of correcting amblyopia and strabismus, can see through an external real scene, is equivalent to a daily-worn plane mirror, is convenient to wear, can select correction modes as required according to the vision problem of two eyes, and is remarkable in integrated correction prevention and control effect.
Owner:HANGZHOU YIZHOU TECHNOLOGY CO LTD

Household amblyopia afterimage therapeutic instrument

The application is a kind of home amblyopia afterimage therapeutic instrument, belonging to the field of eye optometry amblyopia treatment. The application provides an economic home amblyopia afterimage therapeutic instrument and its operation method with good stability, high accuracy of macular fovea covering protection, low requirement of cooperation of the operator and the patient and applicability to wide-angle para-central fixation amblyopia patients by the integration design of multiple systems, especially the use of three-dimensional translation table to adjust the light source position and present the fundus image on the display screen, and the operation guidance by the voice prompting system, and the use of topological light source for saturated illumination. The application is mainly applied to the home treatment of para-central fixation amblyopia patients, and can also be applied to the hospital treatment, reducing the work burden of doctors and nurses.
Owner:BEIJING NORMAL UNIVERSITY

Zoom prism eye position measuring instrument for preventing and controlling myopia and amblyopia

The utility model discloses a myopia and amblyopia prevention and control zoom prism eye position measuring instrument, which comprises a glasses-shaped measuring instrument body, two lens frames are arranged on the glasses-shaped measuring instrument body, each lens frame is provided with a prism lens, each lens frame is movably connected with a Markov rod lens through a rotating shaft, and each Markov rod lens is provided with a zoom lens. A nose pad mechanism is arranged on the glasses-shaped measuring instrument body, ear supports are movably connected to the two sides of the glasses-shaped measuring instrument body through connecting rods, length adjusting mechanisms are arranged between the connecting rods and the ear supports, an interpupillary distance adjusting mechanism is fixed between the two lens frames, a skin-friendly layer is arranged on the nose pad, and the glasses-shaped measuring instrument body is arranged on the skin-friendly layer. The skin-friendly layer is sequentially provided with a moisture-proof sweat-removing fabric, a skin-friendly layer and an air bag from outside to inside, so that the sweat-removing effect and the use comfort are greatly improved, discomfort caused by direct pressing of the nose is prevented, the length is convenient to adjust, the distance between the two lens frames is convenient to adjust, and use of different people is facilitated.
Owner:XIAN YUANSHI MINGSHI OPTICAL TECH CO LTD

Glasses-shaped double-sided luminous signboard

The utility model belongs to the technical field of advertising boards, and particularly relates to a glasses-shaped double-sided luminous signboard which comprises a transverse hanging beam and a glasses-shaped lamp board. The glasses-shaped lamp board comprises an acrylic frame in the shape of an eye frame; a circle of LED lamp strip is embedded in the periphery of the acrylic frame; the light direction of the LED lamp strip faces the inner side of the acrylic frame; the transverse hanging beam is transversely arranged above the glasses-shaped lamp board and is connected with the glasses-shaped lamp board through a sling; a light controller is arranged at the position of the transverse hanging beam, and the output end of the light controller is connected with the LED lamp strip through a cable and supplies power to the LED lamp strip. And the transverse hanging beam is used for external connection, installation and fixation. According to the scheme, the double-sided luminous signboard adopts the shape design which is similar to the shape of glasses, so that the double-sided luminous signboard has the effects of being changeable, striking and attractive, and the efficiency of attracting customers is improved; for amblyopia people and foreign people, the position of the glasses store can be accurately known through the shape of the signboard.
Owner:黄子盛

Invisible eyeshade as well as preparation method and application thereof

The invention provides an invisible eyeshade and a preparation method and application thereof, the invisible eyeshade comprises an outer layer, a bionic iris layer, a middle light blocking layer and an inner layer, the middle part of the middle light blocking layer blocks light, and the outer ring part of the middle light blocking layer transmits light. The preparation method comprises the following steps: (1) preparing the middle light blocking layer; (2) adhering or coating an inner layer on the inner side of the middle light-blocking layer or sequentially coating a moisturizing slow-release layer and an inner layer; (3) printing, printing or attaching a bionic iris layer on the outer side of the middle light blocking layer, wherein the pattern of the bionic iris layer is the same as that of the cosmetic contact lenses or pupils; and (4) coating or attaching an outer layer on the outer layer of the bionic iris layer. The invisible eyeshade is worn on a good eye of a relatively amblyopia eye according to a contact lens method. The invisible eyeshade has the effects of amblyopia correction and eye beautifying at the same time, and life and work of a wearer are not affected.
Owner:XIAMEN AIKAI MEDICAL TECHNOLOGY CO LTD

Intelligent glasses, glasses box and vision training method

The application belongs to the technical field of vision care, and provides a kind of intelligent glasses, glasses box and vision training method, intelligent glasses include: frame mechanism;Lens mechanism, it includes left mirror unit, right mirror unit and pupil distance adjusting unit, left mirror unit, right mirror unit are connected with pupil distance adjusting unit to realize lens pupil distance adjusting function;Drive mechanism is connected with pupil distance adjusting unit to realize zoom vision training function.The intelligent glasses provided by the application is simple in appearance, light in quality, can replace daily ordinary corrective glasses for use, can improve the user's retinal imaging quality by adjusting the lens pupil distance, reduce the eye fatigue, at the same time, the lens can be driven to reciprocate to realize zoom vision training function, effectively exercise ciliary muscle, improve the accommodation ability and acuity of ciliary muscle, play the effect of preventing and treating myopia and amblyopia, the vibration is weak, avoid the phenomenon of dizziness and discomfort produced in the training process, improve the user experience and vision training effect of wearer.
Owner:JINAN SANWEI MEDICAL INSTR CO LTD

Amblyopia rehabilitation exercise device

The invention relates to the field of amblyopia treatment, and provides an amblyopia rehabilitation exercise device which aims at solving the technical problems that in the prior art, amblyopia rehabilitation exercise is carried out in the mode that children watch vision exercise patterns, the exercise process is boring, the children are prone to losing heart, and then the children cannot insist in exercise for a long time. The box comprises a box body and a cover body movably connected with the box body, and is characterized by further comprising an open groove formed in the box body; the visual training structure is located in the open groove and used for conducting various visual training; and the storage structure is positioned in the cover body and is used for storing articles used during visual training. By setting multiple training modes, the training process is diversified, the amblyopia patient is not prone to boring psychology, then the amblyopia patient can insist in training for a long time, finally, the vision of the patient can be effectively improved, and the visual functions such as contrast sensitivity and hand-eye coordination ability can be improved.
Owner:ZHONGSHAN OPHTHALMIC CENT SUN YAT SEN UNIV

Amblyopia perceptual training data determination method and amblyopia perceptual training optotypes

This invention relates to the field of rehabilitation training technology, and discloses a method for determining amblyopia perception training data and amblyopia perception training visual targets. The method includes: acquiring test data of the target subject, wherein the test data is data obtained from a basic amblyopia perception test of the target subject; determining the initial contrast sensitivity data of the target subject based on the test data; acquiring reference contrast sensitivity data, wherein the reference contrast sensitivity data is obtained from amblyopia perception tests of healthy subjects of the same age as the target subject; determining the target subject's weak data based on the initial contrast sensitivity data and the reference contrast sensitivity data; and determining the target subject's training data based on the weak data. This invention focuses on targeted training in weak areas, reducing ineffective training in normal areas, saving a significant amount of unnecessary training time, and improving the efficiency and targeting of amblyopia perception training.
Owner:BEIJING TONGREN HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV

Capacitance pen

The utility model relates to the technical field of information interaction, in particular to a capacitance pen which comprises a finger stall, a capacitance pen body is arranged on one side of the finger stall, and a camera is arranged on the outer wall, close to the capacitance pen body, of the finger stall. A display screen used for displaying the content shot by the camera is arranged on the outer wall of the finger sleeve on the side opposite to the capacitance pen body. The capacitive pen body and the camera are arranged on one side of the finger stall sleeved on the finger, and the display screen for displaying the content shot by the camera is arranged on the opposite side of the finger stall, so that a picture on a touch screen of an input terminal shot by the camera can be amplified and presented in front of the eyes of a user through the display screen; the finger capacitance pen body is moved to be aligned to the input position, the capacitance pen body on the finger sleeve is pressed down for input, an amblyopia person with presbyopia can input conveniently, and the situation that mistaken touch is caused due to the fact that the person cannot see clearly is avoided.
Owner:黄江峡

Actively adaptive optical apparatuses for amblyopia treatment

An optical apparatus includes eye-tracking means; a dominant-eye optical element for dominant eye, a non-dominant-eye optical element for non-dominant eye of a user and processor. Each optical element includes a first substrate and a second substrate, and active material encased between the substrates, controlling means for controlling active material to generate optical power(s). The processor is configured to determine gaze directions of both eyes; detect when given criteria is satisfied, such satisfaction being when gaze directions have not converged for predefined time period(s) and / or within predefined error margin; and upon such satisfaction, activate amblyopia treatment mode and generate drive signals for controlling means of both optical elements to perform: (i) produce different optical power for dominant eye and predefined optical power for non-dominant eye, or (ii) produce predefined optical powers for both eyes whilst applying prism correction.
Owner:PIXIERAY OY

Afterimage training device

ActiveCN309661462SPhysical medicine and rehabilitationMyopic astigmatism
1. The name of the design product: the back image training therapeutic instrument. 2. The use of the design product: for the treatment of myopia, astigmatism, amblyopia. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combination state reference figure 2. 5. Other circumstances that need to be explained: the design product includes components 1, 2, 3, 4 and 5.
Owner:ZHENGZHOU LONGSHI MEDICAL EQUIP CO LTD

Visual function examination device for oblique amblyopia patient

The invention belongs to the technical field of visual inspection, and particularly relates to a visual function inspection device for oblique amblyopia patients, a second motor is arranged, when the second motor is started, an output shaft of the second motor drives a second rotating shaft and a second gear of a 120-degree special-shaped structure to rotate, and the second gear is meshed with a third gear on the outer side of an optical filter rotating disc; the optical filter is formed by combining a red optical filter, a green optical filter and a transparent optical filter, a second rotating shaft drives another optical filter turntable to synchronously rotate through synchronous transmission of a chain wheel, and a second gear rotates by a circle to just drive the optical filter turntable to switch one mode, so that the switching of the red optical filter, the green optical filter and the transparent optical filter can be accurately realized, and at the moment, one eye of a patient is close to a detection opening; the sighting marks on the detection plate are observed through the observation holes, and detection of functions related to monocular vision, color vision and refraction is completed by combining conversion of modes of the three optical filters and recognition conditions of a patient on a visual chart and the color vision sighting marks.
Owner:杨美茹

Comprehensive therapeutic apparatus for near and amblyopia

The utility model discloses a comprehensive therapeutic instrument for near amblyopia, relates to the field of eye health care, and aims to solve the problems that the training process of the conventional eye training instrument is boring, the training mode is single, and the training device is too limited. The data connection port is fixedly connected with a terminal training instrument through a connection line, the terminal training instrument comprises a fixed base and a mirror body, the fixed base is hinged to the mirror body, and the device has the advantages that the training content is rich and diversified, personalized training is achieved, and operation is easy and convenient.
Owner:ZHENGZHOU LONGSHI MEDICAL EQUIP CO LTD

Gradient out-of-focus hyperopia correction glasses and design method thereof

The invention belongs to the technical field of medical equipment, and particularly relates to gradient out-of-focus hyperopia correction glasses and a design method thereof.The gradient out-of-focus hyperopia correction glasses are each provided with a lens structure with three functional partitions, each lens structure comprises a base lens, and the central portion of each base lens is a central correction area; the annular transition stimulation area is located outside the central correction area, and the peripheral strengthening area is located on the outer side of the transition stimulation area. The design of the gradual-change hyperopia defocusing amount conforms to the effect that the hyperopia defocusing amount is increased in a stepped mode due to the fact that the retina form is transited to the peripheral retina from the macular area, and the good vision correction and hyperopia treatment effects are achieved, it is guaranteed that a clear object image is formed in the central area, and amblyopia training of a patient is not affected; a relatively clear central side view field range is provided, and the visual quality is ensured; peripheral retina hyperopia defocus is formed, and eye axis growth and hyperopia degree reduction are promoted.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)

Optical components for correcting myopic amblyopia

The present invention relates to the technical field of eye correction equipment, and specifically to an optical component for correcting myopia and amblyopia. A sliding adjustment unit is provided in an outer shell, a control unit for adjusting and controlling the sliding frame is provided between the sliding frame and the outer shell, and a driving mechanism is provided in the sliding frame. The control unit can be used to adjust the sliding frame in the outer shell, move a light source body to a position that best fits the eye, stimulate and relax the ciliary muscle, put the ciliary muscle in an optimal relaxed state, and relieve muscle fatigue of the ciliary muscle. At the same time, the driving mechanism can be used to move the light source body back and forth, so that the light source body can move back and forth continuously and in a pulsed manner, and then the natural light simulated by the light source body can continuously stimulate the eye, so that the ciliary muscle can be rhythmically tensed and relaxed, and the ciliary muscle can be in an alternating relaxed state and contracted state, thereby relieving muscle fatigue of the ciliary muscle.
Owner:XIAN TRADITIONAL CHINESE MEDICINE HOSPITAL (XIAN TRADITIONAL CHINESE MEDICINE RES INST)

Amblyopia and strabismus recovery training equipment and system

The invention discloses amblyopia and strabismus recovery training equipment and system, and the method comprises the steps: collecting a face image of a user through a camera, extracting face key feature points from the face image of the user through employing an image analysis and processing technology based on machine vision, and calculating the head posture data of the user; performing data normalization on the head posture data of the user for embedded coding, and performing facial feature extraction and enhancement on the facial image of the user at the same time; therefore, adaptive adjustment of the distance between two identical object images and the display angle of the object images is realized based on cross-modal intersection prompt joint representation between enhanced user facial features and user head posture embedding features. Through the mode, the normal eye position interpupillary distance and the head posture of the user can be matched more accurately, the object image distance and the display angle can be adjusted in real time, manual intervention of the user is not needed, and therefore it is ensured that training parameters are consistent with actual requirements of the user, and the effect of amblyopia and strabismus recovery training is effectively improved.
Owner:HUNAN UNIV OF CHINESE MEDICINE

Red light amblyopia therapeutic apparatus with reverse beat function

The invention discloses a red light amblyopia therapeutic apparatus with a reverse beat function, and relates to the technical field of red light amblyopia therapeutic apparatuses, the red light amblyopia therapeutic apparatus comprises a mounting shell, a therapeutic device is arranged on the mounting shell, and the therapeutic device comprises a mounting part. According to the invention, the LED light-emitting plate, the second lens, the milky-white diffusion plate, the second support, the internal fixation lens group, the third support, the correction lens, the fourth support, the reflector, the first semi-transparent and semi-reflective plane mirror, the fifth support, the third lens, the first support, the first lens, the fixing plate, the fixation screen and the second semi-transparent and semi-reflective plane mirror are arranged, so that the LED light-emitting plate emits red light; the first lens, the second lens, the third lens, the second semitransparent and semi-reflective plane mirror and the correction lens are arranged in sequence, light of the fixation screen enters the left eye and the right eye through the spectroscope and the reflector after passing through the internal fixation lens group, a neural foundation is laid through passive stimulation, functional application of active training and enhancement is achieved, and the device is particularly suitable for older children or patients needing to improve training efficiency.
Owner:ZHITONG VISION TECHNOLOGY (CHONGQING) BIOTECHNOLOGY CO LTD

A data analysis method and system for a comprehensive myopia and amblyopia treatment device

The present application relates to the field of data analysis technology, and in particular to a data analysis method and system for a comprehensive treatment device for myopia and amblyopia. The method comprises: obtaining the patient's eye data before treatment, determining preliminary light information before treatment based on the patient's eye data, and sending the preliminary light information to the comprehensive treatment device; obtaining real-time eye images during treatment, determining the patient's real-time eye status based on the real-time eye images; determining treatment light information based on the preliminary light information and the real-time eye status, and sending the treatment light information to the comprehensive treatment device. The present application provides an accurate and reasonable reference basis for determining treatment light information by analyzing the real-time status of the patient's eyes, and treats the patient according to the treatment light information to ensure the accuracy and effectiveness of the treatment.
Owner:HUNAN LAITUO INTERNET OF THINGS TECHNOLOGY CO LTD

Visual function examination device for oblique amblyopia patient

The invention discloses a visual function examination device for oblique amblyopia patients in the technical field of medical equipment. The visual function examination device comprises a test board, a rack and a microscope base. A lifting device is further installed at the upper end of the testing table, the upper end of the lifting device is connected with a supporting table, the supporting table is located on one side of the lower portion of the lens cone, and the lower end of the auxiliary device is fixed to the outer portion of the lifting device. A servo motor drives a gear and a rack to achieve high-precision lifting of the microscope base, and a bidirectional lead screw and symmetrical clamping blocks are linked to provide self-adaptive head fixing. A sliding groove and a dovetail groove structure of a ball bearing sliding block are matched with connecting rod inclination angle compensation, and head position deviation of a patient is counteracted in real time; the rack is plated with a hard chromium layer, nylon and a glass fiber gear, so that abrasion is reduced, and the transmission efficiency is improved through a graphite self-lubricating lead screw. The device achieves multi-degree-of-freedom closed-loop control, the examination precision error is smaller than or equal to 0.3 degree, and the device is suitable for patients of different ages, has high efficiency and long-acting stability and is suitable for clinical oblique amblyopia accurate diagnosis.
Owner:NANJING DRUM TOWER HOSPITAL GRP SUQIAN HOSPITAL

Lens set with complementary features

The embodiment of the invention discloses a lens group with complementary characteristics. A specific implementation mode of the lens group with the complementary characteristics comprises a left lens and a right lens, a plurality of first visual shielding units which are arranged according to a first arrangement rule are arranged on the left eyeglass; the right eyeglass is provided with a plurality of second visual shielding units which are arranged according to a second arrangement rule; the position except the arrangement position of the first vision shielding unit on the left eyeglass is the arrangement position of the second vision shielding unit on the right eyeglass, so that the vision complementary relation is achieved, and the implementation mode can be used for improving the binocular vision fusion function and treating children amblyopia.
Owner:THE EYE HOSPITAL OF WENZHOU MEDICAL UNIVERSITY +1