241 results about "Visual function" patented technology

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 personalized myopia prevention and control visual function training and fatigue evaluation method and system, and belongs to the technical field of visual health. In order to solve the problems of single training mode, inaccurate fatigue evaluation, lack of personalized intervention and the like in the existing myopia prevention and control scheme, the method comprises the following steps of: acquiring facial image data of a user through a built-in camera of equipment, and synchronously acquiring interaction data of finishing a visual function training task by the user; and calculating an eye fatigue degree evaluation value in real time by utilizing a preset evaluation model, and generating a personalized visual rest scheme or a training parameter adjustment strategy in combination with personal historical data of the user. According to the method, multi-modal data fusion analysis is innovatively realized, a closed-loop prevention and control system integrating training, evaluation and intervention is established, and the pertinence, accuracy and user experience of myopia prevention and control are effectively 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 relates to the technical field of visual function diagnosis, and provides a visual function examination device based on eye movement tracking, a medium and computer equipment, the device comprises a data acquisition unit, an eye movement evaluation unit, a visual field evaluation unit and a comprehensive analysis unit, the data acquisition unit is used for acquiring visual function data of an examinee, and the comprehensive analysis unit is used for analyzing the visual function data of the examinee; the eye movement evaluation unit evaluates an eye movement function based on eye movement parameters in the visual function data; the visual field evaluation unit evaluates a visual field function based on visual field parameters in the visual function data; according to the application, objective sight drop points are used for replacing subjective keys, false negative and false positive are reduced, before typical defects do not appear in the visual field, early visual function changes can be prompted through eye movement parameter abnormity, auxiliary screening of early glaucoma and other diseases is achieved, and the visual function detection accuracy is improved. Meanwhile, the diagnosis accuracy is improved through double evidences of eye movement and visual field in the middle and late stages, and the sensitivity and specificity of visual function examination are remarkably improved on the whole.

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.

A method for automatically determining multifocal lens parameters associated with a contact lens and a contact lens for correcting ametropia of a patient's eye wherein a personalized multifocal contact lens for treating presbyopia takes into account various related clinical patient measurements including patient clinical data and lifestyle data, to determine which lens is likely to provide personalized lens parameters for new patients. Historical patient clinical data and lifestyle data are used to train the system to predict which multi-focal lenses (i.e., lenses including lens designs and having lens geometries and powers) would result in optimal lens-to-eye fit and optimal visual function for each eye of presbyopia patients.

The invention provides sgRNA for knocking out zebra fish pde6a and application of the sgRNA in visual diseases. According to the sgRNA provided by the invention aiming at a specific position, pde6a of the zebra fish can be knocked out or knocked down in a targeted manner by utilizing a CRISPR / Cas9 system. After pde6a is successfully knocked out or knocked down, a zebra fish model with impaired visual functions and normal retina development is obtained, and the model also has morphological changes such as shorter body length, smaller eyes and shorter inter-ocular distance and also shows a trend of increasing the length of an ocular axis. The zebrafish model provides an experimental tool and a model basis for the research of visual function related diseases.

The invention belongs to the technical field of child visual training, and particularly relates to a child visual function training system and method based on ciliary muscle adjustment. The child visual function training system based on ciliary muscle adjustment comprises a collaborative acquisition module and a dynamic training module. The collaborative acquisition module acquires an anterior segment image of an eyeball in real time through a built-in image acquisition unit so as to identify eye features, acquires extraocular muscle pressure deformation data through a built-in pressure acquisition unit, and then associates and analyzes the eye features and the extraocular muscle pressure deformation data through a built-in data fusion unit; a mapping model is established according to the analysis result, the refractive power change of the crystalline lens is calculated, and the calculation result is processed into the ciliary muscle adjustment amount; the dynamic training module determines training parameters in combination with child individual data and historical data acquired by the collaborative acquisition module, and dynamically adjusts training duration and light wave parameters according to the ciliary muscle adjustment amount, thereby solving the problems of poor child training effect and safety risk in the training process.

The invention discloses a flushing and suction surgical operation device with a visualization function, and relates to the technical field of neurosurgical operation instruments.The flushing and suction surgical operation device with the visualization function comprises a working rod and a handle conforming to ergonomics, a lens seat is embedded in the left end of the working rod, and a visualization assembly is arranged in the working rod; the visual assembly comprises a pushing motor, an image sensor and a camera, the pushing motor adjusts the position of the camera through an electric push rod, it is ensured that a lens and the camera are accurately coaxial, infrared light supplementing blocks in a 15-degree included angle circumferential array are arranged on the outer side of the second lens, the lens is covered with a hydrophobic-wear-resistant composite layer in a protective cover mode, and a suction pipe and a flushing pipe are arranged in a working rod and a handle in a penetrating mode. According to the device, the imaging precision and light supplementing suitability of an operation area are improved, lens cleaning interruption is reduced, the single-hand control core function is achieved, the operation safety and efficiency are enhanced, and the device is suitable for operations in narrow operation areas such as skull bases.

1. Name of the product in this design: Bioelectric Eye and Ear Training Device. 2. Purpose of this product design: To improve visual function by performing acupuncture training on acupoints around the eyes and ears. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

1. Name of the designed product: visual function training device (head-mounted). 2. Use of the designed product: the designed product is used for visual function training device. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention provides a preparation method of a silk fibroin peptide nano-composite film with a heavy metal ion saturated adsorption visualization function. According to the method, an amino acid pairing (AAP) technology and a micro-fluidic reaction (MCR) technology are combined, the biocompatibility and the adsorption performance of silk fibroin peptide are utilized, and the silk fibroin peptide is compounded with a nano material, so that a novel nano composite film is prepared. The membrane not only can effectively adsorb heavy metal ions such as lead, cadmium, mercury and the like in a water body, but also has a visual function of adsorption saturation, so that a user can intuitively judge the use condition of an adsorption material through color change. The invention aims to prepare the silk fibroin peptide nano-composite membrane capable of efficiently adsorbing and visually displaying the saturated adsorption state of heavy metal ions, and the silk fibroin peptide nano-composite membrane is suitable for the fields of environmental governance, water quality monitoring and the like. The preparation method disclosed by the invention is simple, low in cost, easy for large-scale production, excellent in biodegradability and environment-friendly. The nano-composite membrane provided by the invention can realize rapid detection and treatment of water heavy metal pollution, and has important environmental and social benefits.

The utility model discloses a visual function training device. The visual training device comprises a shell, the interior of the shell is hollow, an observation window is formed in the shell, a sighting target plate and a circuit board are arranged in the shell, a plurality of sighting target lamps are arranged on the sighting target plate at intervals in the length direction of the sighting target plate, the circuit board is electrically connected with the sighting target lamps, a controller is further installed on the shell, and the controller is electrically connected with the sighting target lamps. The controller is electrically connected with the circuit board, and the controller can be used for controlling the sighting mark lamps to be turned on or turned off one by one according to a preset time sequence in the direction towards the observation window or the direction away from the observation window. Through movement of a light source of the sighting target lamp watched by a user, the eyes are promoted to generate linkage adjustment from far to near and from near to far, so that eye muscles are exercised, the effect of maintaining and even improving the adjusting ability and the gathering ability of the eyes is achieved, and the vision is improved.

A visual function inspecting system, configured to: determine, when a subject animal is arranged to face visual information moving in a predetermined direction, a moving speed of a visual line direction of the subject animal changing over time, based on information indicating the visual line direction obtained for a predetermined period of time; determine a frequency characteristic of the moving speed of the visual line direction based on the determined moving speed of the visual line direction changing over time; and inspect a visual function of the subject animal based on the determined frequency characteristic.

A noninvasive ophthalmic formulation, comprising a chelator (such as EDTA and its salts), a transport enhancer (such as Methyl Sulfonyl Methane; MSM), a second polyoxyalkylene permeation enhancer such as propylene glycol capable of enhancing permeation through lipid-thickened ocular membranes, a thickening agent such as hydroxyethyl cellulose (HEC) and a surfactant such as polysorbate 80, is provided. The novel combination of the ingredients unexpectedly and beneficially reduces symptoms associated with early-stage, age-related cataracts. Methods for treating cataracts with compositions of the invention and measurement of improved visual function by measuring contrast sensitivity (CS) are provided.

The utility model discloses visual function adjustment training appearance and system relates to ophthalmic optics instrument technical field. A kind of visual function adjustment training appearance, including display panel and light stimulation part, the front of display panel includes the display for output visual stimulation information;The light stimulation part includes the light district at the outer periphery of display panel front, and light district is arranged with light emitting piece to radiate the light of preset wavelength for user visual, and the eyes of the user are illuminated. The utility model improves the adjustment and training effect of visual function by the synergistic effect of visual stimulation information and illumination.

Injectable photoelectrohydrogel for repairing retinal photoreceptor damage and its preparation method and application, photoelectroactive spirulina and conductive polymer poly(3,4-ethylenedioxythiophene) (PEDOT) hydrogel are physically cross-linked to construct an injectable material with photoelectric response characteristics, and the function of damaged photoreceptor cells in the retina is repaired in situ. Sp as a biologically active component not only gives the material photoelectric signal conversion capability, but also can achieve local antioxidant stress function, PEDOT-based hydrogel forms a three-dimensional scaffold by physically wrapping Sp, which not only ensures the activity of algal cells but also has excellent charge and ion conduction performance. The hydrogel can be injected into the retina to construct a biomimetic electrochemical signal transmission interface, rebuild the signal transduction of damaged photoreceptor cells, and realize the in situ repair of retinal signal pathways and the partial recovery of visual function. This technology provides a new strategy for the curative treatment of retinal diseases such as blinding eye diseases, and has the advantages of minimally invasive intervention, excellent biocompatibility and customizable treatment area.

The present application relates to a kind of microglial cell P2Y6R target point inhibitor and its application, belong to biological medicine technical field.For the problems such as lack of effective treatment means for retinal pigment degeneration, abnormal activation of microglial cell accelerates course and lack of specific intervention target point, the application of inhibitor with P2Y6R as target point in preparation treatment retinal pigment degeneration drug is proposed, especially siRNA and shRNA for knocking down microglial cell P2ry6 gene are provided, and AAV vector containing microglial cell specific promoter is constructed, the specific silencing of P2ry6 in retina is realized.The present application can significantly inhibit abnormal activation of microglial cell and inflammatory response, reduce photoreceptor apoptosis, improve retina structure and visual function, and provide a new strategy for targeted treatment of retinal pigment degeneration.

The utility model discloses a surgical knife with a visual function, and relates to the technical field of medical instruments. The surgical knife with the visual function comprises a mirror tube and a handle arranged at the rear end of the mirror tube. The endoscope tube comprises an outer sleeve and an inner sleeve. A cutter assembly is arranged in the inner sleeve, and the front end of the cutter assembly extends to the outside of the endoscope tube. And an electronic endoscope and a lighting piece are arranged at the front end part of the endoscope tube between the outer sleeve and the inner sleeve. According to the surgical knife with the visual function, the surgical knife and the electronic endoscope are integrated together, so that the operation can be completed by a single hand.

This invention discloses a kidney-tonifying and blood-activating traditional Chinese medicine composition and its application in improving postoperative visual function, belonging to the field of pharmaceutical technology. The kidney-tonifying and blood-activating traditional Chinese medicine composition of this invention is made from 10 parts of Cuscuta chinensis, 15 parts of Broussonetia papyrifera fruit, 18 parts of Lycium barbarum, 15 parts of Leonurus japonicus, 20 parts of Leonurus japonicus, 10 parts of Ligusticum chuanxiong, 9 parts of Prunus persica kernel, 6 parts of Carthamus tinctorius, 15 parts of Poria cocos, 18 parts of Albizia julibrissin bark, 12 parts of Astragalus membranaceus, and 12 parts of Pueraria lobata root. It can be standardized and adjusted according to clinical complications. This invention focuses on the critical point of "kidney deficiency and blood stasis" one month after posterior scleral reinforcement surgery, using the principles of tonifying the liver and kidneys and activating blood circulation to improve ocular microcirculation, enhance and stabilize vision, thereby protecting visual function, and conforming to the treatment principle of "treating the root cause when the condition is mild."

An object of the present invention is to provide a composition for preventing visual dysfunction caused by exposure to light, such as so-called blue light. The present invention provides a composition comprising a lactic acid bacterium as an active ingredient for use in suppressing or improving conditions caused by retinal inflammation resulting from light damage. Eye discomfort is an exemplary condition caused by retinal inflammation resulting from light damage.

The application discloses a control method of a high-speed wire water tank, and belongs to the technical field of steel production, and solves the problem of uneven water cooling caused by the differentiated deterioration of the high-speed wire water tank. The method is as follows: a segmented and graded time parameter optimization control system is designed to solve the response difference of water valves of different water tanks; a water tank distance parameter optimization adjustment control system is designed to realize bottleneck breakthrough in a fault state; a single water tank individualized adjustment control system is designed to optimize and adjust the holding time of a single water tank; a rolled piece head position tracking and identification control system is designed to track and identify the position of the head of a rolled piece; a water valve power drive initial trigger control system is designed to quickly and accurately identify the power drive of a water valve; a cooling water dynamic flow position signal acquisition control system is designed to quantitatively acquire the dynamic flow position of cooling water; an independent water tank manual-automatic combination control system is designed to individually control the water tank; and a visual function selection parameter optimization control system is designed to globally visualize the control process and control variables.

The invention belongs to the technical field of visual light equipment, and relates to a night visual function tester which comprises a shell and a controller, a dioptric lens and a display screen are arranged in the shell, two groups of holes are formed in the rear side of the shell, the display screen is arranged between the holes and the dioptric lens, and a compression motor is arranged on the inner side wall of the shell. The output end of the compression motor is connected with the refraction lens, eye movement tracking modules are arranged at the two ends of the front side of the shell correspondingly, and the compression motor, the display screen and the eye movement tracking modules are all electrically connected with the controller. Through forward and backward movement of the dioptric lens, the imaging distance can be adjusted from 0.1 m to infinity, and the night vision function testing device is suitable for night vision function testing of different myopic people; a Micro-oled display screen is adopted, so that the adjustment of the brightness of eyes from 0 to 3000nit is realized; the distance between the two dioptric lenses is adjusted through the interpupillary distance adjusting module, so that the centers of the dioptric lenses are accurately aligned with the pupil center of a testee, and the accuracy of a test result is improved.

The invention discloses a 5G network equipment integrated management system based on the Internet of Things, and the system comprises a data collection layer which is used for collecting the operation data and basic data of 5G network equipment in real time; the data processing layer is used for receiving the operation data and the basic data transmitted by the data acquisition layer and processing the operation data by adopting a preset rule and an algorithm so as to realize performance management, resource management and safety management of the 5G network equipment; and the data display layer is used for providing a human-computer interaction interface, displaying the operation state and the performance index of the 5G network equipment in various forms, and realizing visual management of the 5G network equipment. According to the invention, the operation data and the basic information of the 5G equipment are processed, so that the comprehensive management of the 5G network equipment is realized, different use requirements of users are met, and the intelligent comprehensive management of the 5G network equipment is realized more intelligently. Moreover, the management system provides a visualization function, and can improve the user experience.

The invention discloses an active layer based on light regulation free radical bipolar doping, a device, an array and a visual system. The problems that existing neuromorphic vision hardware is low in integration level, single in function and difficult to meet complex requirements are solved. The active layer comprises an organic semiconductor material and a free radical dopant, and wavelength selective reversible bipolar doping can be realized: p-type doping is presented and excitatory response is generated under 808 nm irradiation, and n-type doping is presented and inhibitory response is generated under 450 nm irradiation. Based on the active layer, an optical reconfigurable bipolar neuromorphic device with a simple structure is constructed, and the device has dynamic synaptic characteristics and light-controlled bipolar photoelectric response at the same time. The device is used as a pixel unit, can be integrated on a large scale to form a neuromorphic visual array, and forms a complete system with a signal reading and processing unit. The system can synchronously execute multiple visual functions of motion detection, spatio-temporal information memory and contrast enhancement feature extraction at a sensing front end.

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.

1. Name of the product in this design: Vision module for a robotic arm. 2. Purpose of this design: For use in robotic arms with vision capabilities. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

In some embodiments, generative systems are physical mechanics and hardware apparatus to generate display content and include an input receiver module, a graphics processor module, and an output module. In some embodiments, the input receive module converts or splits a video input signal to provide a video input stream for the graphical processing module, which includes one or more processing units. The graphics processor module extracts both the graphical input content and the metadata of the input stream, operates on said information, and outputs the result to the output module, which emits an output signal for display on a display system. In some embodiments, the graphics processor module uses a generative function or a computer vision function. In some embodiments generative system is a standalone device to mediate and infer visual content between a computational system and a display system.

The invention belongs to the technical field of medical experimental animal models, provides a construction method of a dry age-related macular degeneration animal model, and aims to break through the technical bottlenecks of long construction period, high cost and incomplete pathological feature coverage of an existing model. D-galactose is used for inducing glycosylation end product accumulation and mitochondrial dysfunction, oxidative stress, RPE metabolic disorder and inflammation microenvironment in the dry AMD pathogenesis process can be synchronously simulated, core pathological characteristics such as retina glass membrane wart deposition, RPE atrophy, retina and visual function damage and the like can be accurately reproduced, meanwhile, a multi-dimensional verification system is matched, and the method has the advantages that the method is simple and convenient to operate and high in practicability. The method is suitable for preclinical evaluation of personalized treatment strategies; besides, the method is short in modeling period, the animal model meeting the requirement can be obtained within 8 weeks, the cost advantage is outstanding, and an efficient and reliable experimental animal model can be provided for dry AMD treatment research.

1. Name of the designed product: visual function optimization device (first view). 2. Use of the designed product: medical device for optimizing visual function. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1. 5. The top view has been shown in perspective view 1, the bottom view is the part that is not easy to see when in use, so the top view and the bottom view are omitted.