657results about "Eye treatment" patented technology

The invention discloses a real-time collaborative cross-scene visual assistance and environment perception system for visually impaired people based on head-mounted equipment. According to the invention, through fusion of a multi-mode perception technology and a neural feedback mechanism, all-around environmental cognition support is provided for visually impaired people. Key targets such as curbs, steps and traffic signals in a complex scene can be accurately recognized, and a safe navigation scheme is generated in real time in combination with a dynamic path planning and obstacle avoidance algorithm. Through personalized feedback modes such as voice and vibration, the system can adjust the interaction rhythm according to the behavior habit and cognitive state of the user, ensure efficient and natural information transmission, effectively reduce the cognitive load of the user, help the visually impaired people to travel autonomously in different environments, improve the independent living ability, and improve the user experience. Real-time response and calculation efficiency are balanced through a collaborative architecture, so that a high-performance auxiliary function is not limited by heavy hardware equipment any more. The universal design reduces the use threshold, and is helpful for more visually impaired people to enjoy the convenience brought by science and technology.

The invention provides a two-stage current intensity adjusting method for an eye therapeutic apparatus, and the method comprises the steps: extracting the impedance effect intensity of a current at a macular center through recognizing the thickness of an impedance barrier layer corresponding to the current limiting degree of a high-impedance region, and combining with the actual penetration thickness, and obtaining the current penetration depth reduction proportion of the current penetration depth at the macular center; the current intensity imbalance degree of the coarse adjustment basic current intensity in the transition subarea is evaluated, and by obtaining the current intensity increase and decrease multiple of the fine adjustment compensation current intensity, the gradient difference between high impedance limitation and low impedance permeation is integrated, and the current intensity is compensated to balance the current intensity imbalance degree of the transition subarea; and updating the current output power level of each partition according to the fine adjustment compensation current intensity, and feeding back the current output power level to a therapeutic instrument circuit in real time to obtain uniform therapeutic intensity distribution so as to be matched with the decreasing proportion of impedance of impedance gradient distribution from high to low.

A low vision aid system including a camera module to be used with a mobile device, including a macro camera configured to focus on near-field objects that is integrated within the low vision aid camera module and an illumination source structured to illuminate a field of view associated with the macro camera, a battery power supply and a wireless communication module. The wireless communication module establishes an isolated Wi-Fi connection to the mobile device. The isolated Wi-Fi connection prevents the mobile device from communicating over other Wi-Fi networks while the isolated Wi-Fi connection is maintained. The wireless communication module receives, via the isolated Wi-Fi connection, instructions from the mobile device, that are associated with operation of the macro camera, and sends via the isolated Wi-Fi connection, a video bitstream to the mobile device based on the instructions.

An eye drop propulsion device and method for propelling a drop of fluid towards an eye, including a compression chamber connected to a container configured to retain fluid, a dispenser aperture connected to the compression chamber and configured to be selectively occluded or not occluded, and a compressor configured to alter pressure in the compression chamber such that when the compressor is activated when the dispenser aperture is occluded, air is forced to flow from the compression chamber into the container, and when the compressor is deactivated, a vacuum is created in the compression chamber causing a portion of fluid in the container to flow into the compression chamber, and when the compressor is activated when the dispenser aperture is not occluded, a drop of fluid is propelled towards the eye.

The invention discloses a wearable intelligent obstacle avoidance system, and belongs to the technical field of blind person auxiliary travel. The invention aims to solve the problem that the existing blind person travel auxiliary equipment is inconvenient to use or high in cost. The method includes the steps that an image collection module collects blind sidewalk obstacle images; the GPS positioning module obtains position coordinates of a user; the lightweight target detection model performs obstacle recognition on the blind sidewalk obstacle image based on the position coordinates of the user to obtain obstacle information; the monocular distance measurement module obtains a distance signal between the current position of the user and the obstacle according to the obstacle information; the control module sends the current distance signal to the prompt module and sends a danger prompt signal when the distance between the current position of the user and the obstacle is smaller than a set threshold value; the prompting module sends a distance signal to a user; an alarm is sent to a user according to the danger prompt signal; all the modules are integrated on the wearable article to form the wearable device. The method is used for assisting the blind in going out.

Devices configured to be implanted in a lens capsule of a human eye and securely hold an intraocular lens (IOL), and operable to displace the IOL relative to an optical axis of the IOL; the devices comprising a first member configured to be fixedly positioned inside the lens capsule, a second member to which the IOL is fixedly attachable, and a bendable structure attached at a first end thereof to the first member and at a second end thereof to the second member; the bendable structure being configured to be remotely controllably bended at various bending levels to thereby vary location of a periphery of the IOL, when the IOL is attached to the second member, along the IOL optical axis.

An eye drop propulsion device and method for propelling a drop of fluid towards an eye includes a compression chamber, a container configured to communicate fluid into the compression chamber, an occludable dispenser aperture, and a compressor configured to alter pressure in the compression chamber such that when the compressor is activated and the dispenser aperture is not occluded, a drop of fluid is propelled towards the eye, and when the compressor is deactivated and the dispenser aperture is occluded, a vacuum is created in the compression chamber causing fluid to flow into the compression chamber. Alternatively, the device includes a dispenser aperture connected to the compression chamber and configured to allow at least a drop to be added to the compression chamber from the container without fluid exiting the dispenser aperture, and to allow a drop of fluid to be propelled towards the eye when the compressor is activated.

The invention relates to an intelligent nursing and monitoring device used after glaucoma filtration, and belongs to the technical field of medical instruments, the intelligent nursing and monitoring device comprises a rigid main frame, the inner side of the rigid main frame is provided with a flexible sealing gasket, the upper portion of the rigid main frame is integrated with a self-adaptive positioning system, and the left side and the right side of the rigid main frame are connected with directional physical nursing execution systems; a microenvironment humidity monitoring system is embedded in the ball head, and the rear side of the frame is connected with an intelligent central control system. The self-adaptive positioning system accurately recognizes eyeball and filtered bubble areas, the directional physical nursing execution system reproduces standardized nursing operation, the microenvironment humidity monitoring system verifies the nursing effect in real time, and the intelligent central control system overall plans all the systems to cooperate and supports remote data transmission. The device can solve the problems of inaccurate postoperative nursing, lagged effect feedback and poor patient compliance, improves the nursing quality, assists in improving the success rate of an operation, and is suitable for families and clinical nursing scenes.

The invention relates to gene therapy of ocular conditions. Described herein are compositions and methods for delivering therapeutic products, such as therapeutic proteins (e.g., antibodies), therapeutic RNAs (e.g., shRNAs, siRNAs, and miRNAs), and therapeutic aptamers, to the retinal / vitreous humor of the eye of a human subject to treat ocular conditions, involving, for example, recombinant viral vectors, such as recombinant adeno-associated virus (rAAV) vectors.

The utility model provides a novel eye drug delivery and release system which sequentially comprises a main body base layer and a waterproof isolation layer from outside to inside, the main body base layer and the waterproof isolation layer are fixedly attached together, and at least one drug storage and release layer is attached to the waterproof isolation layer. The medicine storage and release layer is used for storing ophthalmology medicine and releasing the ophthalmology medicine into eyes when the ophthalmology medicine is in contact with the eyes, the medicine storage and release layer comprises a base layer and an upper layer which are attached together, the base layer is a methyl cellulose layer, and the upper layer is a polycaprolactone layer. According to the utility model, medicine is administrated on the bitamporal sides of two eyes, and medicine quickly passes through the lower lacrimal punctum, so that medicine loss is reduced; a patient does not need to directly face the medicine bottle, fear of the patient is reduced, and the medicine bottle is prevented from touching eyes by mistake; the disposable liquid medicine bottle is disposable, high in comfort level, convenient to operate, capable of being used in cooperation with most of liquid medicine and high in applicability. The effective duration and concentration of eyelid margin medication can be increased, and the effectiveness is higher; the eye cleaning device has various functions and can also be used for cleaning eye conjunctival sacs and eyelid margins.

The invention provides an optic nerve regulation and control system based on an ultrasonic technology, a first ultrasonic module is deployed on the outer side of a target human eyelid and is provided with an Archimedes spiral type first ultrasonic array facing the human eye, and the first ultrasonic array is configured to generate a gathered ultrasonic beam which acts on a human eye retina ganglion cell area in a targeted manner; the positioning module is deployed on the outer side of a target human eyelid and is configured to measure three-dimensional geometric data when a human eyeball horizontally faces the front and measure the depth distance of a human eye retina ganglion cell area in the human eye; the optic nerve response prediction module is pre-trained with an optic nerve response prediction model facing a target human body, and the optic nerve response prediction model is configured to adjust sound intensity output of the first ultrasonic array based on stimulation feedback prediction of human eye retina ganglion cells. According to the invention, the optic nerve regulation and control system satisfies non-intrusive, high-precision and self-adaptive requirements, and has optic nerve regulation and control and repair functions.

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

The utility model provides a liquid medicine sub-packaging device, which belongs to the technical field of liquid medicine sub-packaging and comprises a sub-packaging plate, a through hole is arranged in the middle of the sub-packaging plate, a liquid storage bag is arranged on the sub-packaging plate and positioned on the lower side of the through hole, a pressing plate is fixed at the bottom of the liquid storage bag, a liquid outlet channel is mounted on the upper side of the liquid storage bag, and the liquid outlet channel is communicated with the through hole. A dropping pipette is arranged on the liquid outlet channel, and a sealing cover is mounted on the liquid outlet channel. The utility model solves the problems that the eye drops in the conventional common soft bottle can be empty after being used for about one month after being unsealed, the liquid medicine is polluted after being unsealed for two weeks although the quality guarantee period is 4 weeks, and the packaging bottle stopper opening is frequently opened and closed in the use process of one month, so that the bottle cannot be used for a long time. And bacteria are very easy to breed at a liquid dropping opening, so that liquid medicine pollution is caused, the effectiveness of the product is greatly reduced, and the effect is proper.

The utility model discloses a head-mounted automatic eye moistening atomizer. The head-mounted automatic eye moistening atomizer comprises an atomizer body. The atomizer body is provided with a liquid storage container, an electric atomizer, a rear side surface and a front side surface, the electric atomizer is used for converting liquid provided by the liquid storage container into mist particles, the rear side surface faces a user, the front side surface is opposite to the user, and spraying holes of the electric atomizer are arranged backwards so that the mist particles can be directly sprayed to the eyes of the user. Due to the fact that vaporific particles sprayed by the spraying holes of the electric atomizer directly act on eyes of a user, efficiency is high, and experience feeling is good.

A system is provided.SOLUTION: A system includes a means for receiving image data transmitted from a user terminal having a camera, a means for analyzing the received image data and recognizing a road, an obstacle, a sign, a pedestrian signal, or the like by using a generation AI model, a means for generating guide information for a user on the basis of contents recognized by the generation AI model, and a means for converting the generated guide information into voice and notifying the user of the voice.SELECTED DRAWING: Figure 1

To ensure that the implant is securely fixed until deployment and to reduce the risk of introducing undesirable particulate matter into the patient, we provide an implant with improved retention within the needle of the delivery device, which reduces the risk of retention failure based on the delivery device. [Solution] A medical implant is disclosed. The medical implant has a body having a first end having a first cross-sectional dimension, a second end having a second cross-sectional dimension, and a tapered portion extending between the first and second ends. The first cross-sectional dimension is larger than the second cross-sectional dimension. In some embodiments, the body comprises multiple layers.

The utility model provides a crystalline lens implantation postoperative nursing belt, and relates to the technical field of postoperative nursing, the crystalline lens implantation postoperative nursing belt comprises a crystalline lens implantation rear eye nursing frame, and the inner side of the crystalline lens implantation rear eye nursing frame is provided with a medicament slow release sliding frame and an eye compression sliding frame. When medicine needs to be applied, several rows of medicine slow-release sliding frames can slide into the inner side of the eye nursing frame after lens implantation, rotating baffles rotate in the sliding process of the medicine slow-release sliding frames, and after the rotating baffles rotate, medicine on the inner side of a medicine storage box can flow to the inner side of a medicine inlet pipeline through a connecting pipeline; the medicament entering pipeline is communicated with the medicament slow-release sliding frame, medicament in the medicament entering pipeline can enter from the through groove in one side of the medicament slow-release sliding frame, the medicament slow-release cotton can slowly release the medicament to the periphery of the eye, the medicament effect is continuously exerted, the inconvenience that a patient frequently uses eye drops is reduced, meanwhile, it is guaranteed that the medicament can uniformly act on the eye operation part, and the treatment effect is improved.

An ophthalmic device including: a body having: a posterior surface which is adjacent to an eye surface when the ophthalmic device is worn; an anterior surface defining a height of the body above the eye surface; a retention portion, configured to reside between an eyelid and the eye surface, the retention portion bordered by a portion of the anterior surface, and having a height difference of at least 1 mm over at most a 1 mm distance.

Polymeric ocular inserts are provided that can be dissolvable when placed in the fornix of the eye. These inserts can comprise one or more polymers and a softening agent / plasticizer such that when inserted into the eye, the polymers and softening agent / plasticizer can absorb tears, dissolve, and slowly release a lubricant into the tear film to lubricate and protect the ocular surface for a prolonged duration. Increasing the residence time on the ocular surface to achieve more sustained relief can decrease the frequency of dosing and the patient burden typically associated with topical drop usage. These polymeric ocular inserts can also comprise one or more pharmaceutically active agents.

The present disclosure provides systems and methods for ultrasound enhanced delivery of drugs. Specifically, a drug applicator (202) is provided for a system for ultrasound enhanced delivery of at least one drug to a target site in an intraocular space (100), the system comprising a signal generating unit (300) operably connected to an ultrasound transducer (202), wherein the drug applicator comprises at least one space (800) holding a drug, prepared from a low ultrasound attenuation material, configured to provide low ultrasound loss coupling of the system with the sclera, and configured to be mechanically coupled to the system and further configured to be coupled with low ultrasound loss to the ultrasound transducer. The signal generating unit and / or the ultrasound transducer are / is configured to emit ultrasound waveforms in at least one application cycle comprising at least one ultrasound emission event having a duration TA and a waiting period having a duration TW.

A mixture for enhancing eye lubrication comprises a plurality of microspheres having diameters ranging from about 5-40 microns combined with an aqueous component comprising water. The microspheres can be coated with oil. When the mixture is applied to the surface of a user's eyes, the microparticles will enhance lubrication during blinking and partially lift eyelids so that other components of the mixture can be better distributed beneath the eyelids. An oil can be added to the mixture. Preferably the oil is configured so that, when the mixture is agitated, it forms a temporary, thermodynamically unstable emulsion from which the oil quickly disassociates when the mixture is applied to the eye. The oil thus is quickly available to enhance lubrication performance.

We provide contact lenses to address the shortcomings of conventional technology. [Solution] The present invention discloses a contact lens. The contact lens comprises a lens body and electronic components. The lens body is configured to be worn on the eyeball and includes an optical portion and an annular mounting portion surrounding the optical portion. The annular mounting portion has a C-shaped lower eyelid placement region. The electronic components are provided on the lens body. The electronic components are movable with the eyeball via the lens body and include a stimulator and a power supply unit electrically connected to the stimulator. The stimulator includes an electrode module positioned inside the lower eyelid placement region and a boost control module electrically connected to the electrode module. The boost control module generates a pulse voltage signal via the electrode module. The pulse voltage signal is transmitted to the lower eyelid on the eyeball side by bodily fluids.