213 results about "Eyelid" patented technology

The invention relates to an intelligent eyelid fixing and tear flow guide composite device, which belongs to the technical field of medical instruments and comprises an arc-shaped main body frame, a multi-section pressure sensing fixing wing, a miniature liquid guide groove, a humidity compensation module and a central control unit. The multi-section pressure sensing fixed wing can be dynamically attached to the shape of an eyelid and is matched with the flexible contact layer to achieve biomechanical self-adaptive adjustment, and contact pressure is evenly dispersed. The miniature liquid guide groove serves as an efficient tear drainage path, and tears are rapidly discharged in combination with negative pressure suction. The humidity compensation module accurately covers the cornea surface through an annular atomization nozzle, and the ocular surface is kept moist. And the central control unit is used for monitoring in real time and adjusting fixed pressure, atomization intensity and negative pressure parameters in a linkage manner to form an intelligent feedback closed loop. The device solves the problems that a traditional rigid eye speculum is uneven in pressure distribution, low in tear management efficiency, poor in dissection adaptability and the like, the steady state maintaining effect of the ocular surface microenvironment in an ophthalmologic operation can be improved, and tissue damage and operation interruption are reduced.

Electromechanical implantable device for actuating a patient's eyelid (11), comprising an actuator (2) for activating the opening or closing of the eyelid. The actuator is a dielectric elastomer actuator. The device may comprise a rod (3). The actuator is intended to be implanted under the skin of the patient's forehead, and linked to the eyelid via said rod.

The invention belongs to the technical field of AR glasses control, and particularly relates to an intelligent AR glasses control method, which comprises the following steps of: continuously sensing extreme environmental parameters before and during operation by acquiring high-voltage electromagnetic field frequency spectrum, ambient light and wind speed data of an electric power inspection area in real time; the problem that existing AR glasses do not consider environmental confrontation and have extreme scene function failure is solved. Meanwhile, electromagnetic field dominant frequency features are extracted through fast Fourier transform, AR glasses setting is adjusted in combination with ambient light statistics, jitter compensation is activated when the wind speed exceeds the standard, and therefore the glasses can effectively avoid signal interference and guarantee the stability of basic functions in electric power inspection scenes such as a high-intensity magnetic field and complex illumination. Meanwhile, by synchronously monitoring the pupil diameter change rate and the eyelid shielding proportion, the eye movement state is verified in real time in the whole routing inspection process, the accurate iris fixation track is generated after dynamic judgment and calibration triggering, and the accuracy of eye movement interaction under the complex operation posture can be ensured.

A dry eye treatment device, having a roller, a holder, wherein the roller contacts and rolls over an eyelid in a plurality of directions in a treatment; a heating element to generate heat, wherein at least a portion of the heat is transferred to the roller; a temperature monitoring system, which has a thermal sensor and a temperature control circuit; and an electric power source. The roller is of a convex cylindrical or concave cylindrical shape. A method for dry eye treatment, of cleaning an eyelid with a first cleansing wipe; heating a roller to a predetermined temperature; applying thermally conductive gel between the roller and the eyelid; rolling the roller over the eyelid in a plurality of directions; and removing the thermally conductive gel and expressed debris with a second cleansing wipe; and further, increasing the temperature by an increment and repeating the treatment method.

To provide an ocular device for placement under an eyelid.SOLUTION: The ocular device includes a plate with a back surface having at least one protrusion, where the at least one protrusion has a convex contact surface to contact the sclera of the eye and to provide an offset space. The plate can be connected to an elongated support member. The ocular device can deliver, to an eye of a user, a material including, e.g., a pharmaceutically active agent. A case for holding and dispensing an ocular device includes a well configured to retain fluid, a stabilizer, and a lid. The lid is connected to the well and rotatable between a position covering the well and a position with the well uncovered. The lid can have a port for adding fluid to the well, and a receiver, which can hold an ocular device, can project from the lid.SELECTED DRAWING: Figure 7H

To provide an eyelash fusion unit having numbers of artificial eyelash clusters connected to each other.SOLUTION: There is provided an artificial eyelash extension, in which an artificial eyelash cluster is firstly formed by using, for example, a hot melt method which exposes artificial hairs to a heat source and fixes them to each other. Next, numbers of clusters may be connected one after another to form an eyelash fusion unit. For example, the eyelash fusion unit may include three clusters connected linearly to each other. Preferably, a number of eyelash fusion units are connected to each other and are arranged close to each other to form a set. In some embodiments, a number of eyelash fusion units are positioned so that a shape of the set matches the curvature of a tight line of the eyelid. Preferably, an adhesive is applied to a top portion of each eyelash fusion unit in the set, and thereby a user can easily attach the set directly to the underside of his or her natural eyelashes (i.e., near the underside of the eyelid below the eyelash line).SELECTED DRAWING: Figure 3C

A tomographic imaging system, methods to visualize tomographic images, and a ‎stereoscopic calibration procedure for obtaining two-dimensional cross-sectional ‎and three-dimensional volumetric images over the entire anterior eye. The optical ‎system combines stereoscopic imaging with patterned illumination (e.g., slit-‎scanning or array of slits). The captured cross-sectional images can be viewed ‎individually or as a fly-through video. The calibration and reconstruction methods ‎determine the true spatial location of imaged features and record a 3D volumetric ‎representation of the anterior eye. The system can image the entire anterior ‎chamber and contiguous structures, including the corneal limbus, sclera and ‎eyelids. Furthermore, the system can obtain corneal topography. ‎

The invention provides artificial eyelash extensions and applicators. A set of artificial eyelash extensions configured for attachment at an underside of a natural eyelash of an individual, comprising a plurality of eyelash fuses, each eyelash fusion comprising: a plurality of artificial eyelash tufts, each tuft comprising a plurality of artificial hair; and a base to which the tufts are attached, in which the artificial eyelash extensions are applied to the underside of the natural eyelashes by an adhesive. The applicator comprises: a pair of opposing arms connected to each other at a proximal end, each opposing arm comprising: an inner portion to be grasped by a user; an outer portion having a concave shape capable of being substantially aligned with the convex shape of the outer eyelid of the eyelid; a middle portion comprising a concave shape allowing the applicator to rest over the cheekbone or nose bridge of an individual, the outer portions being arranged to engage each other when the opposing arms are pressed toward each other by a user.

The invention discloses a method and a system for detecting psychological and physiological states in real time according to eye movement data. The method involves capturing an eye gaze vector and an eyelid opening level over time using a user-oriented camera (240). From the eye gaze vector and the eyelid opening level, a sequence of discrete eye behaviors is determined (304), including glancing, gazing, blinking, and long-term eye closing. A sliding time window is used to transform (308) the sequence of discrete eye behaviors into a machine-readable representation. A mathematical or machine learning model (214) then maps the machine-readable representation of the eye behavior to one or more psychophysiological states (310). This approach provides a computationally efficient mechanism for predicting psychophysiological states by compressing gaze data into a continuous numerical representation of eye behavior events associated with human psychophysiological states, including drowsiness, cognitive load, stress, and the like.

The utility model relates to the field of glasses, in particular to intelligent travel glasses for old people, and adopts the technical scheme that the intelligent travel glasses for old people comprise a glasses frame main body, glasses leg main bodies, glasses leg connecting pieces, a first bone conduction radio module, a GPS (Global Positioning System) positioner, a second bone conduction radio module and an eyebrow tail shifting piece, according to the utility model, the first bone conduction sound receiving module and the second bone conduction sound receiving module which are distributed in front of the glasses frame main body and on the left side and the right side of the glasses frame main body can receive external sound in multiple directions and feed back sound signals to the bone conduction transmitter, so that better sound transmission is provided for old people with poor hearing; the eyebrow tail shifting piece made of soft rubber can support the upper eyelids of the old people when the old people wear the glasses so as to lift the drooping eyebrow tails of the old people to expand the visual field, and the GPS positioner can feed back the real-time position of the old people to a mobile phone, so that children of the old people can know the position of the old people conveniently.

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 present invention relates to an improvement in the field of lash lifts using a coupled magnetic system for application of eyelash solutions. The coupled magnetic system comprises a base component for placement on an eyelid which attracts a band component to hold eyelashes inbetween the base and band components. In particular the coupled magnetic system allows for the application of formulations (permanent solutions and / or tint) to eyelashes without the concomitant use of adhesives to the eyelashes.

An ear-worn device may include an accelerometer and / or an electroencephalography (EEG) sensor to provide recommendations based on user activity and / or physiological responses. The ear-worn device may use the accelerometer to capture acceleration data to assess the wearer's movement rate, and detect changes. Using data from the EEG sensor, the processor may detect eyelid blinks and other signals of fatigue. The processor may generate a treatment recommendation based on any combination of the movement rate, changes, eyelid blinks, and / or signals of fatigue.

The invention discloses a contact lens. The contact lens comprises a lens body and an electronic component. The glasses body is used for being worn on an eyeball and comprises an optical part and an annular wearing part surrounding the optical part. The annular wearing part is provided with a C-shaped lower eyelid layout area. The electronic component is arranged on the glasses body. The electronic component can move along with eyeballs through the glasses body, and the electronic component comprises a stimulation unit and a power supply unit electrically coupled with the stimulation unit. The stimulation unit comprises an electrode module arranged in the lower eyelid layout area and a boost control module electrically coupled with the electrode module. The boost control module sends out a pulse voltage signal through the electrode module, and the pulse voltage signal is used for being conducted to a lower eyelid on one side of the eyeball by body fluid.

1. The name of the design product: double-fold eyelid stickers. 2. The use of the design product: the design product is used for double-fold eyelid stickers. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: front view. 5. Other circumstances that need to be explained: the design product is a thin product, and the left and right tilt views are omitted.

The article relating to this design is an eyelash rod used when applying an eyelash perm. The article is placed on the eyelid, the eyelashes are wrapped around the article, and a perming solution is applied to the wrapped portion. The base of the article around which the eyelashes are wrapped is composed of multiple fine surfaces, allowing the eyelashes to curl naturally.

A drowsiness estimation information correction device includes: a drowsiness estimation information acquisition unit that acquires drowsiness estimation information that is based on an eyelid movement of a subject; and a drowsiness estimation information correction unit that calculates corrected drowsiness estimation information obtained by correcting the drowsiness estimation information with humidity information indicating humidity in a surrounding environment of the subject.

The invention relates to the field of cosmetics, in particular to a method for judging the tightening effect of cosmetics for improving periorbital relaxation. Obtaining eye circumference area images before and after the subject uses the cosmetics; constructing a reference connecting line from the eye head to the eye tail, and generating an auxiliary line based on a preset rule; obtaining an included angle of the eyelid contour according to the reference connecting line and the auxiliary line; or obtaining the distance of the eyelid contour according to the reference connecting line and the auxiliary line; and judging the tightening effect of the cosmetics by comparing the included angle of the eyelid contours before and after the cosmetics are used and / or the distance of the eyelid contours. According to the method, geometric quantitative indexes based on eye anatomy features are adopted, and compared with conventional artificial visual scoring, the method is more objective and direct; compared with conventional 3D modeling or high-precision mark point positioning testing, the method is simple and easy to implement. According to the scheme, the skin care product tightening effect can be quantitatively evaluated, and the result is visual and reliable.

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.

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.

The invention provides an ophthalmic examination auxiliary device, and relates to the technical field of ophthalmic examination, the ophthalmic examination auxiliary device comprises a base, a mounting seat fixedly connected with one side of the base, a support frame arranged on the working surface of the top end of the mounting seat, and an eyelid turning mechanism connected with the support frame through a moving mechanism; a lower jaw supporting plate is arranged on the mounting seat, and the lower jaw supporting plate is positioned on the opposite side of the supporting frame; the support frame is clamped with the forehead support plate; the eyelid turning mechanism comprises oppositely-arranged limiting frames, an adjusting piece penetrating through the limiting frames and an eyelid opener connected with the telescopic end of the adjusting piece. The limiting frame has an inclined radian matched with an eyelid; through the arrangement of the eyelid turning mechanism, the limiting frame and the adjusting piece which are matched with the radian of the eyelid are adopted, multi-point accurate force application can be carried out according to the wrinkle sagging conditions of different positions of the eyes of the old people, so that the eyelid is stably and comprehensively turned over, and a clear and unshielded observation view is provided for slit lamp inspection.

The present invention provides a vehicle sun visor control method, system, electronic device, and vehicle, relating to the field of vehicle intelligent control technology. The method comprises obtaining the eye coordinates and eyelid opening and closing distance of a person at a preset position in the vehicle, obtaining first eye coordinates and the first eyelid opening and closing distance, and when the first eyelid opening and closing distance is less than a set eyelid opening and closing distance, obtaining the set sun visor parameters based on the first eye coordinates and a pre-set mapping relationship between the first eye coordinates and set sun visor parameters. The sun visor is adjusted based on the set sun visor parameters; after the sun visor is adjusted, the sun visor is fine-tuned based on the sunlight angle of the day. The set sun visor parameters for each eye coordinate are the position parameters of the sun visor that remains at the eye coordinate for the longest time. Adjusting the sun visor based on the set sun visor parameters at the beginning of the adjustment can improve the driver and passenger's experience of using the sun visor.

The utility model discloses a teaching tool for eyeball surgery, which comprises a supporting column and an eyeball model, the front end of the supporting column is provided with a regulation and control auxiliary mechanism, the regulation and control auxiliary mechanism comprises a sliding rail fixedly connected to the front end of the supporting column, the outer side of the sliding rail is connected with a sliding frame in a sliding mode, one end of the sliding rail is provided with a limiting hole, and the other end of the sliding rail is connected with the eyeball model. And the front end of the sliding frame is fixedly connected with a mounting block. According to the teaching tool for the eyeball surgery, the threaded rod is rotated to move in the adjusting frame, so that the threaded rod drives the adjusting and controlling plate to move through the connecting block, the limiting block is separated from the limiting hole, the sliding frame is pulled to slide along the sliding rail, and the purpose of conveniently adjusting the height of an eyeball model is achieved; therefore, the eyeball model is adapted to different positions and is matched with the actual exposure height and the operation view angle of the eyeball in a real operation, and operation changes caused by differences of eye socket depth and eyelid tightness of a patient in clinic are restored.

Apparatus and methods are disclosed for inducing blinking using a magnetic field. The apparatus comprises a headset and a magnetic material attachable to the eyelid or eyelash of the user. The headset comprises a frame with one or more attachments for attaching to the head of a user, and one or more electromagnets, wherein, when the frame is attached to the head of the user via the one or more attachments, the electromagnet is positionable in front of an eye of the user. A controller is configured to repeatedly activate the electromagnet in order to apply a force to the magnetic material to induce closing of the eyelid. In this way, blinking can be induced non-invasively, and without using audio visual stimuli.

Even when users experience virtual reality without using VR equipment, this enhances their sense of immersion in virtual reality. [Solution] The acquisition unit 112 acquires eyelid information indicating the movement of the user's eyelids. The display control unit 115 displays a display image on the display device 14, which is a superimposed image of a first image with a fixed display area and a second image that obscures at least a part of the first image. The area determination unit 114 determines the area obscured by the first image by the second image based on the eyelid information. The area determination unit 114 maximizes the area when the user's eyelids are closed and decreases the area after the first point in time when the user's eyelids begin to open.

The invention provides a humanoid robot mechanical eye movement driving mechanism and an expression control method, and belongs to the field of humanoid robotics.The humanoid robot mechanical eye movement driving mechanism is structurally composed of an eyeball assembly, a hollowed-out frame body, a double-shaking driving rod set, a hemispherical cavity middle connecting body, a space movement synchronous child-mother block and a three-dimensional control frame; through cooperative cooperation of the sliding block mechanism, the connecting rod and the spherical pair assembly, horizontal / vertical synchronous rotation of eyeballs and multi-dimensional movement such as eyelid opening and closing can be achieved, and compared with an electric control scheme, the multi-dimensional movement control device has the advantages of being simple, rapid in response, stable in control and the like.

Method for determining a center point (504) of an eye (202) of an occupant of a vehicle (100), the method comprising the following steps: Determining (803) reference pupil pixel coordinates (140) and reference eye angle pixel coordinates (142) using a reference image signal (110) representing a reference image (300) captured by a camera (106) of at least a portion of a face of the occupant exhibiting a reference head pose, wherein the reference pupil pixel coordinates (140) represent a position of a center point (504) of a pupil (506) of the eye (202) of the occupant in the reference image (300) and the reference eye angle pixel coordinates (142) represent a position (312) of an eye angle of the eye (202) of the occupant in the reference image (300);Determine (805) homogeneous reference pupil coordinates (144) in a camera coordinate system (120) of the camera (106) using the reference pupil pixel coordinates (140) and homogeneous reference eye angle coordinates (146) in the camera coordinate system (120) of the camera (106) using the reference eye angle pixel coordinates (142); Determine (809) reference eye angle camera coordinates (148) using the homogeneous reference eye angle coordinates (146) and an eye angle associated depth information (588), wherein the reference eye angle camera coordinates (148) represent a position (312) of the eye angle in the camera coordinate system (120);and determine (811) reference eye center camera coordinates (150) assigned by the reference head pose as the intersection of a reference vector formed from the homogeneous reference pupil coordinates (144) and the homogeneous reference eye angle coordinates (146) and a reference sphere, wherein a center of the reference sphere is defined by the reference eye angle camera coordinates (148) and a diameter of the reference sphere by a mean eye diameter of a human eye (202).

A blinking monitoring method, system, medium and product in a strong light environment, the method comprising: a blinking monitoring system determining a user eyelid contour and a visible part of a user pupil from a user eye image, predicting an invisible part of the user pupil based on complete pupil information of the user, and then calculating a visible pupil ratio, an effective pixel ratio, and an eyelid height-width ratio. When the difference between the visible pupil ratio and the effective pixel ratio is within a preset error range, the blinking monitoring system calculates the degree of closure of the user's eyes corresponding to the user eye image according to a first weight of the eyelid height-width ratio and a second weight of the visible pupil ratio. In a preset time period, the blinking monitoring system obtains a plurality of user eye images with the same time interval, and determines the degree of closure of the user's eyes for each user eye image in turn to evaluate the blinking of the user in the preset time period. By implementing the method, the blinking indicators of the user can be accurately obtained, thereby predicting the fatigue state of the user.

The present invention provides a device, system, and method of using the same that can safely and effectively transmit therapeutic or germicidal ultraviolet (UV) radiation, such as UVC radiation or UVA radiation. [Solution] The treatment device comprises a base component and a head component. The head component has a distal portion and a proximal portion. The distal portion of the head component is configured to contact the target eyelid, and the proximal portion is configured to be attached to the base component. The distal portion of the head component is configured to transmit a therapeutic dose of energy from a plurality of energy sources, including an ultraviolet C (UVC) radiation source, an infrared (IR) radiation source, and an ultrasonic source. The plurality of energy sources are configured to transmit a therapeutic dose of energy to the target eyelid at a predetermined output when the distal portion of the head component contacts the eyelid.