53 results about "Superior eyelid" patented technology

Dry eye treatment apparatus and methods are described herein which generally comprise a patch or strip affixed to the skin of the upper and / or lower eyelids to deliver heat or other forms of energy, pressure, drugs, moisture, etc. (alone or in combination) to the one or more meibomian glands contained within the underlying skin. The treatment strip or strips include one or more strips configured to adhere to an underlying region of skin in proximity to one or both eyes of a subject such that the one or more strips allow for the subject to blink naturally without restriction from the one or more patches. Moreover, the one or more strips may be configured to emit energy to the underlying region of skin and where the one or more strips are shaped to follow a location of one or more meibomiam glands contained within the underlying region of skin.

The embodiment of the invention relates to the technical field of image processing, and discloses a blink detection method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: obtaining a plurality of frames of eye images; identifying the multiple frames of eye images to obtain eye parameters respectively corresponding to the multiple frames of eye images, the eye parameters including one or more of an eye angle parameter, a first distance ratio and a second distance ratio, the eye angle parameter is determined according to an inner angle of a quadrangle formed by the upper eyelid feature point, the lower eyelid feature point, the inner canthus feature point and the outer canthus feature point, the first distance ratio is determined according to a first distance between the upper eyelid feature point and the lower eyelid feature point and the cornea width, and the second distance ratio is determined according to the first distance and the second distance between the upper eyelid feature point and the lower eyelid feature point. And a second distance between the inner canthus feature point and the outer canthus feature point; and determining blinking information according to the eye parameters respectively corresponding to the plurality of frames of eye images. By implementing the embodiment of the invention, the accuracy of the determined blink information can be improved.

The invention relates to the technical field of eye speculum, in particular to an adjustable eye speculum capable of being stably supported, which comprises two partition plates for separating an eyeball from an eyelid, and further comprises two baffle plates, according to the adjustable eye speculum capable of being stably supported, the eyeball and the eyelid can be effectively separated by arranging the two partition plates, so that the eyeball and the eyelid can be stably supported; meanwhile, the two baffles are arranged at the tops of the partition plates respectively, the upper eyelids and the lower eyelids of the patient can be pushed, it is ensured that the partition plates are stably kept between the eyelids and eyeballs and are not prone to falling off, the baffles can be attached to the opposite sides of the eyelids of the patient through the design of the arc-shaped grooves, and therefore the eyelids of the patient can be protected. The eye speculum is simple in structure and convenient to operate due to the fact that the threaded rod is connected with the sleeve in a threaded mode, a doctor only needs to rotate the sleeve to achieve expansion or contraction of the eye speculum, complex operation steps or extra tools are not needed, and operation or examination efficiency is improved.

The invention relates to the technical field of eyelid mechanical correction, and provides a precise and adjustable eyelid mechanical correction system which comprises a lower attaching part, an upper fixing part, a middle mechanical adjusting mechanism and an intelligent sensing and data interaction subsystem, and the lower attaching part, the upper fixing part and the middle mechanical adjusting mechanism are combined into a wearable intelligent correction patch; the lower fitting part is used for fitting the skin surface of an upper eyelid and providing a fitting basis for eyelid correction; the upper fixing part is used for being attached to the rear upper portion of the eyebrow or the skin of the eyebrow bone and providing stable fixing support for the whole system. The middle mechanical adjusting mechanism is connected with the lower attaching part and the upper fixing part and serves as a core component for accurately controlling the lifting force of the eyelid; and the intelligent sensing and data interaction subsystem is used for collecting key data in a correction process, realizing visual presentation of a treatment process, recording and storing the data and guiding and adjusting clinical rehabilitation. As a medical instrument for eyelid function correction and treatment, eyelid correction is achieved through precise mechanical regulation and control.

An eye syringe includes an elongated handle. The handle includes a needle that, upon actuation from a retracted position, extends through an opening at a distal end of the handle so as to penetrate an eye of a subject at a predetermined angle. The distal end forms a concave tip shaped to match the contour of, and hold, an outer surface of the eyeball. The distal end has a protruding upper edge configured to be inserted behind an upper eyelid so as to distance the upper eyelid from the needle and hold the upper eyelid in place during the injection. The distal end may also have a lower edge configured to demarcate a border of a portion of the eye—such as the limbus—so as to accurately position the needle. A flap may move to cover the point of injection after the injection.

Dry eye treatment apparatus and methods which include one or more patches or strips affixed to the skin of the upper and / or lower eyelids to deliver heat or other forms of energy, pressure, drugs, moisture, etc. (alone or in combination) to the one or more meibomian glands contained within the underlying skin. The one or more patches or strips may allow for the subject to blink naturally without restriction from the one or more patches or strips. The one or more patches or strips may be shaped to follow a location of one or more meibomiam glands contained within the underlying region of skin.

Controllers for dry eye treatment apparatus and methods are described herein which generally comprise a patch or strip affixed to the skin of the upper and / or lower eyelids to deliver heat to the one or more meibomian glands contained within the underlying skin. The treatment strip or strips include one or more strips configured to adhere to an underlying region of skin in proximity to one or both eyes of a subject such that the one or more strips allow for the subject to blink naturally without restriction from the one or more patches. A controller is in communication with the one or more strips and is programmable to monitor a temperature of the one or more strips to provide a treatment therapy above a threshold temperature of, e.g., 39° C., and below a maximum temperature of, e.g., 48° C., over a treatment period of 12 minutes.

The invention provides an expression cooperative training system and method for a semi-facial paralysis patient, and the system comprises a facial image processing module which is used for capturing a facial image of the patient in real time and obtaining the motion information of the face of the patient, the motion information comprises a healthy side worm shaft moving distance, an affected side worm shaft moving distance, a healthy side upper and lower eyelid distance and an affected side upper and lower eyelid distance; the smile auxiliary module comprises a first traction mechanism, and the acting end of the first traction mechanism is at least used for being connected to the affected side worm shaft position. The blink auxiliary module comprises a second traction mechanism, and the acting end of the second traction mechanism is used for being connected to the upper eyelid position of the affected side. The control module is used for controlling the first traction mechanism when the moving distance of the healthy side worm shaft exceeds a first set threshold value, so that the moving distance of the affected side worm shaft is matched with the moving distance of the healthy side worm shaft; when the distance between the upper and lower eyelids on the healthy side exceeds a second set threshold value, the second traction mechanism is controlled, so that the distance between the upper and lower eyelids on the affected side is matched with the distance between the upper and lower eyelids on the healthy side.

The present application relates to a dry eye treatment system. Dry eye treatment devices and methods are described herein, which generally include a patch or strip that is affixed to the skin of the upper and / or lower eyelid to deliver heat or other forms of energy, pressure, medication, moisture, etc. (alone or in combination) to one or more meibomian glands contained within the underlying skin. The treatment strip includes one or more strips configured to be attached to an area of skin beneath one or both eyes of a subject adjacent to the subject, such that the one or more strips allow the subject to blink naturally without being constrained by the one or more patches. In addition, the one or more strips can be configured to emit energy to the underlying skin area and wherein the one or more strips are shaped to conform to the position of one or more meibomian glands contained within the underlying skin area.

The present invention provides an eyelash protector or shield comprising: an elongated profile having a proximal end and a distal end; a front side and a rear side; a first edge and a second edge; wherein the first edge is configured in an arc from the proximal end to the distal end in order to substantially conform to an eyelash growth line; and, wherein the eyelash protector extends across from the first edge to the second edge to such an extent to form a barrier that extends from the eyelash growth line to a point intermediate or past the tips of the eyelashes; and, wherein when the rear side of the eyelash protector is placed on the top of the eyelashes and / or eyelash extensions of an upper eyelid, the eyelash protector shields the eyelashes and / or the eyelash extensions from fallout of make-up when the make-up is applied to an upper part or parts of a face above the eyelashes and / or the eyelash extensions.

Controllers for dry eye treatment apparatus and methods are described herein which generally comprise a patch or strip affixed to the skin of the upper and / or lower eyelids to deliver heat to the one or more meibomian glands contained within the underlying skin. The treatment strip or strips include one or more strips configured to adhere to an underlying region of skin in proximity to one or both eyes of a subject such that the one or more strips allow for the subject to blink naturally without restriction from the one or more patches. A controller is in communication with the one or more strips and is programmable to monitor a temperature of the one or more strips to provide a treatment therapy above a threshold temperature of, e.g., 39° C., and below a maximum temperature of, e.g., 48° C., over a treatment period of 12 minutes.

The utility model relates to the technical field of bionic robots, in particular to an upper eyelid driving assembly and a bionic robot head. The upper eyelid driving assembly comprises an upper eyelid driver, an upper eyelid traction frame and an upper eyelid traction piece. The head of the bionic robot is provided with an eye support, and the upper eyelid driver is arranged on the eye support and is in transmission connection with the upper eyelid traction frame. The upper eyelid traction frame is in an arch shape, the upper eyelid traction frame is erected on the eyeball, so that the eyeball is located in the upper eyelid traction frame, and when the upper eyelid traction frame is driven by the upper eyelid driver to rotate on the eye support, the upper eyelid traction frame can rotate around the eyeball front and back, and mutual interference with the eyeball is avoided; meanwhile, the rotation of the upper eyelid traction frame can drive the upper eyelid traction piece connected with the skin of the upper eyelid part to move, so that the skin of the upper eyelid part moves together, the stability of the movement of the skin of the upper eyelid part is ensured, and the expression is more vivid.

Systems and methods for determining a degree of eye closure are provided. Lower and upper eyelid traces are obtained, each trace including locations of the respective eyelid for a plurality of consecutive time increments. A first and second window are determined, the first window preceding the second window and each window including a set of time increments in the plurality of consecutive time increments. An opening metric is generated comprising a measure of central tendency of differences between the locations of the upper eyelid and the lower eyelid across the time increments in the first window. An excursion metric is generated comprising a difference between a maximum and minimum location of the upper eyelid across the time increments in the second window. A closure degree score based upon the excursion metric and the opening metric is used to provide a degree of eye closure of the first eye.

The utility model discloses a kind of cataract surgery tear capsule auxiliary devices, including vertically arranged U-shaped seat, U-shaped seat is connected in one side of two movable seats by drive assembly, movable seat is fixedly connected in one end of long rod, the other end of long rod is screw-connected with the first screw rod perpendicular to long rod, the one end of first screw rod is equipped with first knob, the other end of first screw rod is equipped with annular groove, the both sides of U-shaped seat are equipped with corresponding connecting block, connecting block is fixed to patient face by corresponding bandage, this kind of cataract surgery tear capsule auxiliary device uses, first, by bandage, the whole is fixed to patient face, then by drive assembly, two movable seats drive corresponding first screw rod in opposite or opposite direction synchronous movement, to tear open by two first screw rods respectively to upper eyelid and lower eyelid, annular groove is equipped on first screw rod, support eyelid by annular groove, it is convenient to tear capsule to eyeball.

The utility model belongs to the technical field of medical instruments, and particularly relates to an upper eyelid opener which comprises a supporting arm, an opening arc-shaped strip is fixed to the side face of one end of the supporting arm and used for opening eyelids, and a bent arm is fixed to the end, away from the opening arc-shaped strip, of the supporting arm. The bending arm and the turning arc-shaped strip are arranged on the same side of the supporting arm, a fixing part is installed at the end, away from the supporting arm, of the bending arm and used for fixing the supporting arm and the turning arc-shaped strip, a fastening assembly is arranged at the position, corresponding to the turning arc-shaped strip, of the top of the supporting arm, and the fastening assembly is used for fastening the position of the turning arc-shaped strip. The fixing part comprises an ear wearing strip arranged at the end, away from the supporting arm, of the bending arm. The upper eyelid can be opened stably, a user does not need to hold the upper eyelid continuously, water can be supplemented to the opened eyeball, and it is ensured that the eyeball is still kept moist in the opened state for a long time.

The invention discloses a method for sensing eyeball movement by using a sensor pasted on the surface of eyelid skin, and belongs to the technical field of sensors, and the method comprises the following steps: S1, pasting sensing units at the position of the upper eyelid skin in an array form; s2, gating is carried out through a row control signal sensing unit and a column control signal sensing unit which are connected with electronic switches in the sensing units; s3, a four-wire resistance test method is adopted to carry out resistance test on the sensing units, and measurement errors caused by wire resistance are avoided; s4, the tiny deformation quantity of the upper eyelid skin is converted into an electric signal through a sensing unit; and S5, acquiring an electric signal of each sensing unit in real time through the single chip microcomputer, and sending the electric signals to a server or a computer for analysis and calculation through wireless transmission to obtain the action condition of the eyeballs. According to the method for sensing the eyeball movement by using the sensor adhered to the skin surface of the eyelid, the eyelid movement with the extremely small amplitude can be captured through the sensor array, and the method is suitable for tracking of fine eye movement.

The present disclosure is directed to an ex vivo eye model system for screening ocular products with programmable blinking and tear flow control. In one example implementation, the ex vivo eye model system includes an eyeball core, an upper and lower eyelid frame, a servo, and a tear fluid delivery system. The eyeball core may be configured to hold a biological eye. The upper eyelid frame and the lower eyelid frame may be configured to replicate natural blinking actions and interact with the biological eye. The servo may be operatively connected to the upper eyelid frame and the lower eyelid frame. The servo may be configured to simulate controlled blinking actions by actuating the upper eyelid frame and the lower eyelid frame to move corresponding eyelid membranes of the biological eye. The tear fluid delivery system configured to deliver a fluid to an ocular surface of the biological eye.

This invention relates to the field of cosmetic technology, disclosing a multi-effect mesotherapy method and intelligent infusion system for the eyes, addressing the shortcomings of traditional eye cosmetic procedures, such as short-lived effects, low safety, and limited improvement. The system includes an intelligent infusion device, infusion products, repair products, and post-operative tools. The infusion device precisely controls the operating depth to 0.25mm, working along a specific operating path. The method stimulates collagen regeneration in the eye area through cleaning and disinfection, layered infusion, product repair, ice compresses for soothing, and post-operative monitoring. It eliminates the need for Botox or surgery, simultaneously improving issues such as upper eyelid laxity, crow's feet, eye bags, and dark circles. The effects are natural, long-lasting, and highly safe, making it suitable for promotion in non-medical cosmetic settings.

Methods, systems and apparatuses for delivering electrical or other therapy in the vicinity of the eye. One or more electrodes are positioned on or near the eye, such as contacting the superior or inferior eyelids, on the conjunctiva or medial or lateral canthus, on or inside the nose, or on the forehead. A remote or return electrode is optionally positioned elsewhere on the patient on the torso, neck, back, a limb, an extremity, on the back or side of the head, or near the ear, mandible or temple. A variety of pulse generator positions and support apparatuses are disclosed as well. The pulse generator is used to deliver one or more of therapy or diagnostic electrical pulses to the patient to address a condition of the eye.

The invention discloses a construction method of a rat keratoconjunctival disease model, and particularly relates to the technical field of animal models. Lipopolysaccharide (LPS) is adhered to a surgical suture and then sutured on the upper eyelid of a rat, so that inflammatory response is rapidly and continuously initiated. The method is better in modeling effect, simple and convenient to operate, short in period, high in success rate, high in repeatability, low in cost, high in safety and wide in application range.

A toric contact lens employing a stabilization mechanism to minimize the effect of asymmetric eyelid deviations on a fixed orientation of the toric contact lens and related design methods. The toric contact lens includes stabilizing regions each disposed on a horizontal side of a lens perimeter of the contact lens between a central optical region of the contact lens and a lens rim. To minimize the effect of asymmetric deviation of the patient wearer's eyelid on alignment of the toric contact lens with the major meridian of the eye, the portion of the contour line in the stabilization region configured to intersect the upper eyelid edge when worn is oriented to a target upper eyelid edge shape of a target upper eyelid of a normal patient wearer. In this manner, the stable region of the toric contact lens is more desensitized to any asymmetric shape of the wearer's eyelid.

The invention discloses a special AI auxiliary device for fundus blood vessel anomaly detection, which comprises a base, a system terminal, a stand column, a lifting assembly, an anti-blink assembly, a sliding assembly, a cleaning assembly and a pressure assembly, and is characterized in that the system terminal is fixedly mounted on the base. Through an anti-blink assembly, after two curved groove blocks slide to the two ends of a hyperbolic rod respectively, a patient attaches the eyebrow bone to a gap in the hyperbolic rod, wears an elastic strap on the head, attaches an air support to the jaw through a lifting assembly, and then screws a second lead screw to enable a trapezoidal block to slide backwards, at the moment, the cambered surface of the support block descends along the inclined surface of the trapezoidal block, and the air support is fixed to the upper portion of the hyperbolic rod. When the head of a patient descends along with the air support, the double curved bars keep the eyelids at the eyebrow bones still, the downward movement of the head and the fixation of the double curved bars form relative displacement, so that the upper eyelids are stably pulled up, the eyelids are kept at the eye opening amplitude, the upper eyelids are prevented from naturally drooping or reflexively closing, and imaging missing or blurring caused by blinking and eyelid drooping is avoided; and the AI detection data is ensured to be complete and effective.

The utility model discloses an eye drop auxiliary tool which comprises a base and a through hole formed in the inner bottom wall of the base, a drop bottle is arranged in the base, a drop nozzle is arranged at the bottom of the drop bottle in a communicated mode, the lower end of the drop nozzle penetrates through the through hole, and two sets of symmetrically-distributed traction assemblies are fixedly installed at the bottom of the base. The traction assembly comprises a sliding seat fixed to the bottom of the base, a sliding groove is formed in the bottom of the sliding seat, and a sliding rod is slidably connected into the sliding groove. The two pressing blocks are arranged on the surface of the upper eyelid and the surface of the lower eyelid respectively, then the pull ring is pulled in the opposite directions away from each other, the two sliding rods are made to be away from each other, the two pressing blocks are made to be away from each other, the upper eyelid and the lower eyelid are pulled and separated at the moment, then the dropping bottle is squeezed by the other hand, and the upper eyelid and the lower eyelid are separated. By means of the mode, liquid dripping work can be better carried out, and the situation that liquid dripping is inaccurate is avoided.

The present disclosure is directed to an ex vivo eye model system for screening ocular products with programmable blinking and tear flow control. In one example implementation, the ex vivo eye model system includes an eyeball core, an upper and lower eyelid frame, a servo, and a tear fluid delivery system. The eyeball core may be configured to hold a biological eye. The upper eyelid frame and the lower eyelid frame may be configured to replicate natural blinking actions and interact with the biological eye. The servo may be operatively connected to the upper eyelid frame and the lower eyelid frame. The servo may be configured to simulate controlled blinking actions by actuating the upper eyelid frame and the lower eyelid frame to move corresponding eyelid membranes of the biological eye. The tear fluid delivery system configured to deliver a fluid to an ocular surface of the biological eye.

This invention discloses a method for quantitatively assessing the severity of dark circles under the eyes, belonging to the field of objective evaluation technology in cosmetic dermatology. The method divides the eye into the upper and lower eyelids, each assigned a 50% weight. Each area is scored in three dimensions: area (A), color (D), and structure (S). A weighted total score for each eye and a combined total score for both eyes are calculated. Based on the total score, the severity is classified as mild, moderate, severe, and extremely severe. Furthermore, the percentage of each indicator is used to classify the condition as pigmentary, structural, and mixed types. This invention provides an objective, standardized, and repeatable assessment. The combination of multi-dimensional indicators improves the accuracy of the classification. It can be used for preoperative diagnosis and postoperative efficacy comparison, and is compatible with automated assessment in medical aesthetic systems, solving the technical problem of the lack of unified standards in traditional subjective assessments.

To provide a light irradiation device for eyelash extension, which can improve workability when eyelash extension is applied and to provide a method for applying eyelash extension.SOLUTION: A light irradiation device 10 irradiates light to an adhesive to harden it when applying eyelash extension for attaching artificial eyelashes to natural eyelashes 24 of a subject H who lies on the back by using the adhesive. The light irradiation device 10 includes: a body part 11 attached to the upper eyelid 21 of the subject H; and an LED 12 which is provided on the body part 11 and irradiates light from a position in front of the face of the subject H who lies on the back.SELECTED DRAWING: Figure 3

The invention relates to a method for determining the drowsiness of a driver of a motor vehicle. An average eye-opening measure of an open eye of the driver is determined. The eye-opening measure corresponds to a distance between an upper and a lower eyelid of the eye. A lower limit value and an upper limit value are also determined. The lower and upper limit values each correspond to an eye-opening measure less than the determined average maximum eye-opening measure. An average duration of an opening process of the eye of the driver is determined. The eye-opening measure is between the lower and upper limit values during the opening process. The drowsiness of the driver is determined on the basis of the determined average duration of the opening process.

The invention discloses a wearable eyelid closing training device and method. The wearable eyelid closing training device comprises a shell, a negative pressure adsorption eyelid connector, a resistance generating mechanism, a linkage visual feedback mechanism and a head-mounted fixing assembly. The negative pressure adsorption eyelid interface is adsorbed and fixed on the skin surface of the upper eyelid of a user; the resistance generating mechanism is accommodated in the shell, is in driving connection with the negative pressure adsorption eyelid interface and is used for providing adjustable mechanical resistance when the eyes of a user are closed actively; the linkage visual feedback mechanism is in fluid communication with the resistance generating mechanism and is used for converting work done by a user for overcoming resistance into a displacement signal of an indicator in real time; the head-mounted fixing assembly is connected to the shell and used for wearing and fixing the device on the head of a user. The training method adopts the device for training. According to the wearable eyelid closing training device and training method, physiologic and quantifiable effects can be achieved, immediate feedback is achieved, and therefore the training effect is improved.

A flexible eye-tracking and sensing device includes a flexible nano-silver film sensor. The flexible nano-film sensor is attached to the upper eyelid and connected in series with a power supply and a voltage divider resistor to form a circuit. A sound card is connected in parallel with the flexible nano-film sensor, and the sound card is electrically connected to a computer via wires. Using the above device for eye-tracking signal acquisition, preprocessing, and recognition, real-time eye-controlled human-computer interaction is realized. Experimental verification shows that the flexible eye-tracking and sensing device can not only realize eye-tracking control of software such as virtual games and virtual keyboards, but can also be used in combination with hardware facilities such as robotic arms, so that eye-tracking control is no longer limited to virtual scenes, but can also realize the control of real-world objects.

The invention is suitable for the technical field of medical apparatus and instruments, and provides an ophthalmology bottled eye drop accurate and safe dispensing assist device, which comprises an eye supporting mechanism, an eye opening mechanism, a protective contact assembly, an eye drop dispensing mechanism, an eye drop dispensing mechanism, an eye drop dispensing mechanism and an eye drop dispensing and dispensing mechanism, and is characterized in that the eye supporting mechanism is provided with an eyelid opening assembly and a protective contact assembly, the eyelid opening assembly comprises an upper eyelid supporting arm and a lower eyelid supporting arm, and the upper eyelid supporting arm and the lower eyelid supporting arm are arranged in a crossed mode to form a scissors opening and closing structure. The protective contact assembly comprises two sets of arc-shaped supporting strips which are symmetrically arranged, and the ends of the two sets of arc-shaped supporting strips are connected with the upper eyelid supporting arm and the lower eyelid supporting arm respectively. The medicine bottle clamping mechanism is connected with the eye supporting mechanism; and the dropping liquid observation mechanism is arranged on the side of the medicine bottle clamping mechanism. By arranging the eye supporting mechanism, the medicine bottle clamping mechanism and the dropping liquid observation mechanism, the upper eyelid and the lower eyelid can be supported, the distance between a bottle opening and an eyeball during medicine applying is controlled, and therefore eye liquid is dropped into a conjunctival sac in an accurate and safe mode to complete medicine applying.