469 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 discloses a pilot dangerous driving behavior monitoring method based on multi-modal data fusion, and belongs to the field of multi-modal data fusion monitoring, and the method comprises the steps: obtaining the physiological data of a pilot in the take-off and landing states through a multi-element sensor, judging the fatigue state of the pilot, and obtaining the dangerous driving behavior of the pilot. An eye tracker and a camera are used for conducting data collection on a pilot in the take-off and landing states, behavior data of the blinking frequency, the eyelid closure degree, the pupil change, the yawning frequency, the nodding frequency, the average moving speed of an operating lever and the moving direction of the pilot are obtained, and the fatigue state of the pilot is judged; the method comprises the following steps: constructing a multi-modal data fusion network based on Transform, and training the multi-modal data fusion network; the driving behavior of a pilot is monitored by using the trained network based on the Transform multi-modal data fusion; through a multi-channel interaction technology, the comprehensiveness and accuracy of information are improved, the influence of environment and individual differences is reduced, and the stability and robustness are enhanced.

The invention relates to the technical field of data processing, in particular to a driver attention detection method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining at least one piece of eye movement data of the pupil position, the gazing direction and the eyelid opening and closing degree of the eyes of a driver, and carrying out the eye movement tracking of the at least one piece of eye movement data; environment elements of the environment where the vehicle is located are detected, and a region of interest of a driver is determined according to the environment elements; and calculating the deflection angle of the fixation point of the driver moving from the view center to the region of interest, evaluating the driving behavior of the driver according to the contact intersection point between the fixation line and the target observation element of the driver, and carrying out attention level quantitative evaluation on the driving behavior of the driver. Therefore, the problems that an attention testing method in the related technology cannot represent the relation with the attention, is high in subjectivity, lacks objectivity, is difficult to quantify the attention of the driver, reduces the driving safety, is low in intelligence and the like are solved.

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.

Compositions and methods for cleansing the eyelid and treating an ocular condition with an ophthalmic composition consisting essentially of water, PEG-80 sorbitan laurate, methyl gluceth-20, PEG-120 methyl glucose dioleate, phytosphingosine HCl, decyl glucoside, 1,2-hexanediol, caprylyl glycol, disodium cocoamphodiacetate, panthenol, polyaminopropyl biguanide, sodium chloride, potassium chloride and calcium chloride.

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.

A blink monitoring method and system in a strong light environment, a medium and a product, the method comprising: a blink monitoring system determines a user's eyelid contour and a user's pupil visible portion from a user's eye image, predicts a user's pupil invisible portion based on user's complete pupil information, and determines a user's eye image; then calculating a pupil visible proportion, an effective pixel proportion and an eyelid height proportion; when the difference between the pupil visible proportion and the effective pixel proportion is within a preset error range, the blink monitoring system calculates the user eye closing degree corresponding to the user eye image according to the first weight of the eyelid height-width proportion and the second weight of the pupil visible proportion. In a preset time period, the blink monitoring system obtains a plurality of user eye images with the same time interval, and the user eye closing degree of each user eye image is determined in sequence, so that the blink condition of the user in the preset time period is evaluated. By implementing the method, the blinking index of the user can be accurately obtained, so that the fatigue state of the user is predicted.

A system for the treatment of the dry eye syndrome that is based on a light source. The system includes a disposable tip, to treat an eyelid. A corneal shield is used to protect the patient's eye.

Provided herein are methods for treating conditions in or around the eye with a pharmaceutical composition comprising a keratolytic agent by spreading the pharmaceutical composition prior to administering the pharmaceutical composition to an ocular or periocular surface (e.g., eyelid) of an individual in need thereof.

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.

An apparatus (100) for measuring an intraocular pressure of an eye (101) includes a deformation capsule (106) containing a fluid (109) and configured to deform as the deformation capsule is pressed against an eyelid (124) of the eye while the eye is closed, thereby causing a change in a pressure of the fluid. The apparatus further includes at least one pressure sensor (110) configured to connect to the deformation capsule and to output a pressure-sensor signal indicative of the change in the pressure of the fluid, and a force sensor (102) configured to connect to the deformation capsule and to output a force-sensor signal indicative of a force with which the deformation capsule is pressed against the eyelid. The intraocular pressure is derivable from the change in the pressure of the fluid and the force. Other embodiments are also described.

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.

To provide an information processing method with technology capable of presenting a type of eye makeup suitable for each user.SOLUTION: An information processing method for selecting a type of eye makeup cosmetic comprises steps of: acquiring face image information of a user, including eyes; extracting, on the basis of the image information, feature information including shape information related to an angle of an eyelid at an inner corner of an eye of the user; selecting, on the basis of the characteristic information, the type of the eye makeup cosmetic; and outputting type information related to the selected type.SELECTED DRAWING: Figure 4

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.

An adjustable eye cleaning device, including: i) a frame 101 with a pair of hollow bodies 102 designed to be worn by a user over the eyes, each of the bodies 102 being connected to each other via a telescopic rod 103, the frame 101 comprising a pair of support rods 104 to hook the frame 101 behind the user's ears and to hold the frame 101 securely in place; ii) an artificial intelligence-based imaging unit 105, installed on the frame 101 and paired with a processor to capture and process multiple images of the environment and to recognize facial contours and dimensions of the user, on the basis of which a built-in microcontroller actuates the rod 103 to extend or retract it in order to adjust the gap between the bodies 102 with regard to the positioning of the bodies 102 in front of the user's eyes; iii) an electronically controlled nozzle 106 connected to a chamber 107 configured on each of the bodies 102 and filled with water, wherein the microcontroller actuates the nozzle 106 to deliver an optimal amount of water into each of the bodies, and the microcontroller simultaneously actuates a flap wave generator 108 integrated into each of the bodies 102 to generate water waves of varying heights to splash the user's eyes with water; and iv) a pressure sensor installed on each of the bodies to detect the level of pressure exerted by the water on the user's eyes and eyelids during the spraying of the water, wherein, if the detected pressure exceeds a threshold, the microcontroller controls the actuation of the wave generator 108 to reduce the speed of the waves in order to clean the user's eyes comfortably without causing injury.

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

The invention relates to the technical field of ophthalmologic instruments, in particular to an ophthalmologic eyelid examination spreader which comprises a mounting frame for a patient to wear, the mounting frame comprises a first mounting rod and a second mounting rod which are symmetrically arranged, and a plurality of supporting blocks are horizontally and slidably matched with the first mounting rod and the second mounting rod respectively; sliding rods are in vertical sliding fit between the supporting blocks and the first mounting block and between the supporting blocks and the second mounting block. A deformable contact block is arranged between every two adjacent supporting blocks. An adjusting mechanism for adjusting the distance between the adjacent contact blocks is arranged between the adjacent first mounting rod and second mounting rod; a skin adsorption mechanism used for assisting in pulling eyelids is further arranged on the sliding rod in a sliding fit mode. A liquid storage cavity and a liquid outlet hole are formed in the contact block; a hollow pipe is arranged in the sliding rod and communicates with an opening control mechanism used for controlling the size of the liquid outlet hole based on sliding of the sliding rod. The eyelid supporting device is used for keeping eyes moist in the eyelid supporting process, reducing discomfort of a patient and improving supporting stability.

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.