348 results about "Eyelid" patented technology

The invention relates to the field of electronic photo frames, and discloses an electronic photo frame intelligent interaction control method and system based on eye movement tracking, and the method comprises the steps: carrying out the real-time tracking of an eyeball position based on the eye image data of a user, and obtaining an eye movement track sequence according to the pupil center coordinate change and the eyelid opening and closing state change; calculating a fixation point coordinate, a fixation time length and an eye hopping frequency based on the eye movement track sequence; the current eye movement behavior type of the user is obtained through a personalized recognition model; matching with a preset eye movement pattern library based on the current eye movement behavior type of the user to obtain a candidate instruction set; and executing photo frame function operation according to the control instruction. The method has the following effect that the convenience and accuracy of man-machine interaction are improved based on non-contact intelligent control of eye movement.

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.

Disclosed herein are compositions which can be used in methods for treating or preventing ophthalmic and dermatologic conditions in a human subject, including ocular surface conditions such as blepharitis or rosacea. The compositions can be topically administered directly to an eye, eyelid, or eyelashes of the patient for targeted local activity.

The invention discloses a device and method for simulating eyelid scraping and intraocular pressure loading and monitoring suture tension, and relates to the technical field of medical instrument testing, the device comprises an eyeball environment simulation part and a suture cornea loading part, the suture cornea loading part comprises a scraping assembly and a transmission assembly, the eyeball environment simulation part comprises an intraocular pressure bubbling instrument, a hydraulic pipe, a T-shaped pipe and a tear pipe, the tear pipe is communicated with the scraping assembly, an opening in the lower end of one side of the T-shaped pipe is connected with the intraocular pressure bubbling instrument through the hydraulic pipe, and an opening in the lower end of the other side of the T-shaped pipe is provided with a hydraulic sensor. According to the device and method for simulating eyelid scraping, intraocular pressure loading and suture tension monitoring, the uniformity of cornea suture is achieved, secondary cornea damage caused by uneven suture is reduced, the risk of postoperative complications is reduced, and an experimental basis is provided for research and development of cornea substitutes.

Formulation of ectoparasiticidal and antibiotic “compositions into pharmaceutical compositions useful for the treatment of eyelid inflammation, in particular demodex related blepharitis and eye crusting.

Method for the contactless determination of eye and / or eyelid movement, characterized in that between the body surface (1) and at least one reference electrode (2) a potential difference ΔP B and by means of at least one measuring electrode (3) which corresponds to the potential difference ΔP B generated, electric field and the potential change at the measuring electrode (3) generated by an eye and / or eyelid movement is measured relative to the potential of the reference electrode (2) and evaluated as a measure of an eye and / or eyelid movement.

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.

The present invention discloses a fully wireless ocular surface pressure monitoring system based on a multi-frequency phase-shift decoupling self-calibration algorithm, relating to the technical field of intelligent ophthalmic detection. The system comprises a wearable three-layer contact lens, wherein the outer layer is embedded with a capacitive eyelid pressure sensor and a first spiral coil, and the inner layer is embedded with a piezoresistive intraocular pressure sensor and a second spiral coil, which are respectively tuned to different center frequencies to modulate pressure changes into radio frequency signals. Externally powered receiving glasses or eye masks comprise a multi-frequency transmitting coil, a rectifier circuit and a receiving coil, which supply energy to the sensing structure in the contact lens and sense and obtain a composite signal formed by spatial superposition, which is transmitted to a processing circuit and then sent to a mobile computing terminal. The terminal performs multi-frequency decoupling, sparse matrix separation and temporal self-calibration processing to generate calibration curves of eyelid pressure and intraocular pressure, thereby realizing real-time perception of dual parameters in the eyes-closed state. The system has the advantages of compact structure, high signal separation accuracy and high degree of wirelessness.

The nature of this invention is to combine what represents as a bonnet for hair protection alongside an eye mask for sleep, mediation, and relaxation. A bonnet will be molded to an eye mask. The construction form includes detachable, retractable, and convertible eye mask. This invention creates a space for deep sleep knowing one's hair, edges, eyes, and eyelashes are protected. The invention protects the hair from dust, lint, debris, and friction against fabric that may lead to breakage, dry and damaged hair. In addition to being connected to an eye mask, protecting the eyes from light and brain distractions, improving the quality of sleep. The connection between the bonnet and the eye mask will be used as a strap and band.

The invention discloses an eyelid morphological parameter measurement method based on a reconstruction-segmentation network of a conjoined architecture, and relates to the field of image processing, and the method comprises the steps: obtaining an ocular surface image, and respectively constructing an ocular surface image classification data set and an ocular surface image segmentation data set; constructing a reconstruction-segmentation network of a conjoined architecture based on dynamic parameter convolution; the reconstruction-segmentation network comprises a reconstruction task part and a segmentation task part; training the reconstruction task part by using the ocular surface image classification data set; embedding the trained encoder of the reconstruction task part into the segmentation task part as a dynamic convolution module, and training a reconstruction-segmentation network by using the ocular surface image segmentation data set to obtain a trained reconstruction-segmentation network; and inputting a to-be-detected ocular surface image into the trained reconstruction-segmentation network, segmenting a cornea region and a palpebral fissure region, and measuring the morphological parameters of the eyelid by using a measurement module. According to the invention, the accuracy of image segmentation and eyelid morphological parameter detection is improved.

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. ‎

In some aspects, an electronic contact lens for treating dry eye is presented. According to some aspects, the electronic contact lens includes a concave surface configured to conform to an eye of a patient, a sensor configured to generate a signal indicative of an eyelid movement, and at least one capacitor configured to store energy used for stimulating the eye. The electronic contact lens may further include at least two electrodes coupled to the at least one capacitor, wherein the at least two electrodes are exposed to the concave surface and configured to deliver power from the at least one capacitor to stimulate the eye. The electronic contact lens further includes a processor coupled to the sensor and electrodes. The processor may be configured to compute a blink rate from the sensor output, and, based on the blink rate, activate the at least two electrodes to stimulate the eye.

The invention discloses an iris image quality evaluation method and system, and the method comprises the following specific steps: 1, image preprocessing: improving the image quality, and highlighting the iris features; 2, feature region segmentation: detecting iris and pupil boundaries by adopting a Hough circle transformation or ellipse fitting technology, and detecting eyelid and eyelash boundaries by adopting Canny edge detection gradient intensity; 3, multi-dimensional quality evaluation: comprehensively quantifying the image quality through four indexes of available iris region calculation, contrast analysis, geometric characteristic evaluation and image quality evaluation; 4, adjustable weight scoring: generating a comprehensive quality score through a comprehensive quality scoring formula in combination with the adjustable weight of the user; and 5, interactive manual adjustment: the user can manually adjust the boundary of the iris and the pupil, and the evaluation result is updated in real time. The method is suitable for the fields of iris recognition, eye movement tracking, human-computer interaction, medical diagnosis and the like, and has remarkable practicability and flexibility.

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.

Disclosed is an eyelid speculum including a frame, a first rotary arm coupled to one side of the frame to be rotatable, a second rotary arm coupled to an opposite side of the frame to be rotatable, a movement part configured to move the first rotary arm and the second rotary arm such that the first rotary arm and the second rotary arm are moved in a direction, in which they become closer to or more distant from each other, a first support arm coupled to the first rotary arm to be rotatable, and configured to support an upper eyelid, and a second support arm coupled to the second rotary arm, and configured to support a lower eyelid.

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.

In the Iris based biometric recognition systems, iris needs to be segmented before comparison and hence iris segmentation is a crucial process in iris based biometric recognition systems. Existing techniques are unable to segment iris due to occlusions and require complex and time consuming algorithms to remove these occlusions. Other deep learning based solutions require precise annotations of the iris regions along with eyelids and eyelashes. The present disclosure initially generates polygons on the iris and pupil area using a pre-trained detection model. Internally covered vertices and externally exposed vertices of the generated polygons are computed to construct curvature of the iris region. A pupil region is generated by filtering the plurality of vertices lying inside pupil circle region from the plurality of externally exposed vertices. Further, a segmented iris image is generated by removing the pupil region from the input image based on the curvature of the iris region.

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 present disclosure discloses a device for treating eyelids or other body regions of a subject. The device includes a fiber bundle having a distal end and a proximal end. The proximal end is connectable to an optical coupler designed for optical coupling with a light source. The device further includes a rigid tube, housing at least a portion of the distal end of the fiber bundle and a cover member mounted around a portion of the rigid tube. The cover member is rotatable relative to the rigid tube during treatment of the eyelids of the subject. The rotation of the cover member relative to the rigid tube allows the device to be operated in different orientations as may be required during the treatment of eyelids.