43 results about "Eyelid" patented technology

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.

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.

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.

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.

This invention provides an eyelid-opening eye drop device. The eyelid-opening eye drop device includes an eyelid-separating assembly, a main body, a drug applicator, and a control assembly. The eyelid-separating assembly, located at one end of the main body, includes a first eyelid-separating ball and a second eyelid-separating ball, respectively connected to the main body via a first axis and a second axis. The first eyelid-separating ball is rotatable around the first axis, and the second eyelid-separating ball is rotatable around the second axis. When the eyelid-opening assembly opens the eyelid and the drug applicator is aligned with a preset area of ​​the eyeball, the drug applicator releases a preset dose of eye drops.

In certain embodiments, an ophthalmic system includes a camera system and a computer. The camera system obtains eye images of an eye (that has an eyelid) during an imaging period. The computer system receives the eye images of the eye from the camera system and extracts a column image from each eye image of the eye images to yield column images. Each column image has a respective longitudinal axis substantially parallel to a vertical axis of the eye. Each column image shows at least the eyelid of the eye at a respective time during the imaging period. The computer system generates a time sequence image from the column images. The time sequence image comprises the column images in temporal order and indicates the position of the eyelid at respective times during the imaging period. The computer system outputs a blink analysis output that includes the time sequence image.

This invention provides an eye drop and eyelid-opening auxiliary device. The device includes a eyelid-separating part and a medication-dispensing part. The eyelid-separating part is located at one end of the medication-dispensing part and includes a first ball and a second ball, which are connected to the medication-dispensing part via a first shaft and a second shaft, respectively, and can rotate around their respective axes. The medication-dispensing part includes a main body, a connecting part, a medication nozzle, and a channel. The channel passes through the main body and connects the connecting part to the medication nozzle. In use, the main body of the medication-dispensing part is connected to the eye drop bottle via the connecting part, and the eye drops can be dispensed from the medication nozzle through the channel. Combined with the eyelid-separating part, it provides a comfortable, convenient, and safe eyelid-opening operation when applying eye drops.

In certain embodiments, an ophthalmic system includes a camera system and a computer. The camera system obtains eye images of an eye (that has an eyelid) during an imaging period. The computer system receives the eye images of the eye from the camera system and extracts a column image from each eye image of the eye images to yield column images. Each column image has a respective longitudinal axis substantially parallel to a vertical axis of the eye. Each column image shows at least the eyelid of the eye at a respective time during the imaging period. The computer system generates a time sequence image from the column images. The time sequence image comprises the column images in temporal order and indicates the position of the eyelid at respective times during the imaging period. The computer system outputs a blink analysis output that includes the time sequence image.

Disclosed herein are cold slurry formulations, devices, and methods for alleviating symptoms of ocular surface discomfort. Cold slurry formulations comprising ice, a freezing temperature depressant, and, optionally, a lipid are disclosed. Devices and methods for protecting a target ocular surface from contacting a cold slurry formulation that is used to maintain the target ocular surface at a temperature desired for alleviating symptoms of ocular surface discomfort are disclosed. Self-contained devices configured to receive a cold slurry formulation for maintaining the target ocular surface at a temperature desired for alleviating symptoms of ocular surface discomfort are disclosed. Devices and methods are disclosed for protecting a cornea and / or eyelid of a subject from the freezing cold slurry formulation that is directly or indirectly applied or injected into the target ocular surface. Kits comprising multiple syringes for administering multiple doses of the cold slurry to the target ocular surface, are disclosed.

A topical composition comprising, as active ingredient, a mixture of hyaluronic acid, trehalose and an extract of roots of Ophiopogon japonicus, for use as soothing and / or moisturizing agent for the eyelids and / or the contour of the eye in a subject with sensitive skin, in particular with blepharitis.

This application provides a pupil recognition method, system, medium, product, and terminal based on center localization. It performs a horizontal gradient transformation operation on distortion-corrected human eye image data to generate eye gradient amplitude image data. Through gradient transformation, it extracts edge features of the pupil and iris regions, effectively separating the pupil edge from complex eye structures such as eyelid occlusion, eyelash projection, and iris pigment spots / crypts, avoiding misidentification of these interferences as pupil edges and improving the accuracy of pupil edge feature recognition. Combining the distortion-corrected human eye image data and eye gradient amplitude image data, it performs a pupil template matching operation based on the Hough circle detection algorithm. By leveraging the edge features of the gradient amplitude image, it enhances the matching accuracy between the pupil edge and the template, effectively ensuring the continuity and integrity of pupil contour recognition, further improving the reliability and accuracy of pupil measurement results.

The application discloses application of a Bcl-xL, Bcl-2 and Bcl-w inhibitor in preparation of a medicine for treating eyelid sebaceous gland carcinoma, and proposes that ABT-263 or a pharmaceutically acceptable salt thereof is used for preparing the medicine for treating the eyelid sebaceous gland carcinoma, the molecular formula of the ABT-263 is C 47 H 55 ClF3N5O6S3, and a molecular structure is shown as formula (I). The application further provides a medicine composition, which comprises a therapeutically effective amount of ABT-263 or a pharmaceutically acceptable salt thereof, and can be prepared into injection, emulsion, tablet, powder, granule, paste, liposome or oral liquid, in particular, a small-molecule injection preparation. It is found by the application that the ABT-263 can significantly inhibit the growth of eyelid sebaceous gland carcinoma cells, and the drug effect increases with the increase of concentration, so that the ABT-263 used for treating the eyelid sebaceous gland carcinoma can improve the treatment effectiveness, prolong the life of a patient, improve the quality of life, and has important clinical application value.

The utility model relates to a kind of super thin side hanger and double-fold eyelid suspended ceiling structure, belong to building decoration technical field.The super thin side hanger is integrally formed structure, including bottom plate part, left side plate part, right side plate part and back plate part, the center position of the back plate part is opened with mounting hole, and the double-fold eyelid suspended ceiling structure includes several super thin side hangers and vertical vice keel, several super thin side hangers are evenly arranged and fixedly connected on wall body, and several vertical vice keels are one-to-one corresponding with super thin side hanger, and top end is vertically fixed on roof, the butt joint end of vertical vice keel and super thin side hanger is connected by internal corner structure keel connection.The super thin side hanger structure designed by the utility model is simple and practical, and production cost is low, double-fold eyelid suspended ceiling structure introduces the internal corner structure keel of brand-new structure, and assembly efficiency is high, and use cost is low.

This invention discloses a method for preparing hyperboloid false eyelashes, belonging to the field of beauty and cosmetic products technology. It aims to solve the technical defects of traditional segmented false eyelashes with straight bands, such as poor fit, visual effect, and limited band length. This method is suitable for segmented false eyelashes with band lengths of 4mm to 16mm. It employs either step-by-step shaping or one-time molding processes to create a bidirectional curvature in the band that matches the front-to-back and upper-lower hyperboloid contours of the human eyelid. This invention effectively improves the fit and aesthetics of false eyelashes, achieves seamless connection between adjacent segments, breaks through the 8mm band length limitation, enhances wearing convenience and process stability, is suitable for mass production, and has significant market competitiveness and industry promotion value.

A method for determining intracranial pressure of a patient includes ultrasound imaging of a central retinal vein supplying a retina of an eye of the patient, for generating ultrasound images, exerting a varying external pressure on the eye, identifying a collapse and / or an occlusion of the central retinal vein based on the images, correlating a value of the external pressure to the collapse and / or occlusion, and determining the intracranial pressure based on the correlated external pressure value. A device includes an ultrasonic transducer, a pressure sensor and a housing with a face for contacting an eye lid and / or eye ball to exert pressure on the eye, wherein ultrasonic radiation from and to the transducer is transmitted through the face. The device includes an analyzer to process the ultrasound images and the values of the external pressure and to determine the intracranial pressure based on the correlated external pressure value.

This invention provides a treatment device for meibomian gland dysfunction, relating to the field of medical device technology. It addresses the technical problem that existing eyelid heating treatment devices can only achieve eyelid heating or require the administration of symptomatic medication before initiating heating treatment, failing to achieve simultaneous heating and medication action. The device includes a frame, shaped like an eyeglass frame, for the patient to wear; temples for fitting the frame around the patient's ears; a heating mechanism fixedly mounted on the frame, comprising a heating plate and heating cotton; the heating plate and heating cotton being fixedly mounted on the frame and conforming to the outer side of the patient's eyelid; and an atomizing mechanism for spraying atomized medication from the inside of the temples onto the patient's eyelid corresponding to the heating cotton. Through the eyeglass-frame-like frame, temples, and integrated heating and atomizing mechanisms, heating and medication are simultaneously administered, achieving integrated and synergistic treatment and improving efficacy.

This application discloses a biomimetic eye movement control device, method, and robot, belonging to the field of biomimetic robot technology. The device includes multiple flexible electro-actuators, comprising an electro-actuating material that actively deforms under electric field excitation. One end of each flexible electro-actuator is fixed and connected to a support body, while its free end, having a driving displacement or driving force, is directly or indirectly connected to the functional parts of the eye to drive the eyeball shell to rotate and / or drive the eyelids to open and close. A passive constraint structure is also included, configured to provide anisotropic mechanical constraints on the active deformation of the flexible electro-actuators, thereby guiding and converting the active deformation into a driving displacement or driving force along a first preset direction. This solution achieves compact, compliant, low-noise, and highly biomimetic eye coordination control, applicable to humanoid robots, service robots, and human-computer interaction fields.

The antibacterial eyelid cleansing composition contains hypochlorous acid, sodium acetate, and purified water. The composition has a free available chlorine (FAC) concentration of about 10 ppm to 300 ppm, a weight osmolality of 40 to 200 mOsm / kg, and a viscosity of 1 cP to 500 cP. The composition has a pH of about 3.5 to 6.5. The eyelid cleansing composition is an ophthalmic or ophthalmic composition that can cleanse the eyelids and eyes, remove excess lipids, debris, and exfoliated skin from the eyelids and surrounding areas, while reducing inflammation and promoting wound healing.

An accessory (1) of artificial eyelashes (2) consisting of a lash band (3) for fastening the accessory to the eyelid and artificial eyelashes protruding therefrom, wherein the artificial eyelashes are positioned individually and at a distance from each other on the lash band.

This invention provides an eyelid-opening eye drop device and its control method. The eyelid-opening eye drop device of this invention includes an eyelid-opening assembly, a main body, a drug delivery device, and a control assembly. The eyelid-opening assembly is disposed at one end of the main body and includes a first eyelid-opening ball and a second eyelid-opening ball, which are connected to the main body via a first axis and a second axis, respectively. The first eyelid-opening ball is rotatable around the first axis, and the second eyelid-opening ball is rotatable around the second axis. When the eyelid-opening assembly opens the eyelid and the drug delivery nozzle is aligned with a preset area of ​​the eyeball, the drug delivery device is controlled to release a preset dose of eye drops.

The present disclosure provides an ophthalmic formulation comprising one or more pharmaceutically acceptable excipients; a pharmaceutically active compound that is capable of reducing the amount or deleterious actions of autoantibodies on the ocular surface, such as IgG; In particular, the present disclosure provides an ophthalmic formulation where the pharmaceutically active compound is capable of treating a clinical condition selected from the group consisting of inflammatory, infectious and immunological ocular surface or intraocular disease that can cause symptoms of ocular discomfort, keratitis, dry eye disease, symblepheron formation, fornix foreshortening, eyelid margin / conjunctival keratinization, subconjunctival fibrosis, retinal gliosis and glaucoma.

The application belongs to the technical field of medical devices, and discloses an auxiliary eye drop device, which comprises a medicine storage bottle body, the medicine storage bottle body is provided with a liquid outlet bin, and the liquid outlet bin is connected with a protective cover; the medicine storage bottle body is connected with a driving assembly and an eyelid opening assembly, the driving assembly comprises a pressing cap, an air storage bag, a piston rod group and a spring, the piston rod group comprises a piston and a connecting rod; the eyelid opening assembly comprises a ring sleeve, an opening cover and eight air tubes, the eight air tubes are communicated with each other and then communicated with the air storage bag through an air guide pipe, and the elastic coefficient of the air storage bag after inflation is smaller than the elastic coefficient of the spring. The auxiliary eye drop device utilizes linkage and cooperation of the driving assembly and the eyelid opening assembly to automatically open the eyelid while extruding the eye drop medicine, so that single-hand operation is realized; when the eye drop medicine is given, the opening cover of the eyelid assembly abuts against the eyelid, so that the relative position between the medicine outlet of the medicine storage bottle body and the eyeball is fixed, and the eye drop medicine has good precision.

This invention relates to the field of catering management technology, specifically to an intelligent catering management method and system based on health goals. By acquiring the user's upper eyelid occlusion parameters, pupil center coordinate parameters, and neck pitch angle parameters, these are input into a preset fatigue cost function for calculation to obtain the target spatial pose coordinates. Simultaneously, a visual cone domain model is constructed to calculate the carrier rotation angle compensation value required to move the food distribution area coordinate data into the visual field. This achieves intelligent calibration of food position, enabling patients to eat easily within a comfortable visual range and avoiding positional misjudgments and eating difficulties caused by visual field limitations. Through this comprehensive and intelligent system adjustment, the coordination and convenience of the eating process are unprecedentedly improved.

An anti-allergic product comprising a plant extract in an amount of at least 0.01% w / w, wherein the plant extract is selected from the group consisting of Camellia sinensis leaf extract, Melaleuca alternifolia leaf oil, and mixtures thereof, an amphiphilic preservative, and a glycolipid. The eyelid cleansing composition is configured to reduce redness, discomfort, and irritation in and around the eyelids.