133 results about "Eyes sockets" patented technology

The invention discloses an orbit MRI image analysis method and system based on deep learning, and belongs to the field of image analys.The method comprises the steps that MRI image data of an orbit area of a patient are obtained, and the MRI image data comprise a conventional T1WI sequence, a T2WI plain scanning sequence, a conventional enhancement sequence and an extraocular muscle fibrillation enhancement sequence; performing preprocessing on the MRI image to obtain a standardized image; inputting the standardized image into a deep learning segmentation model, and outputting segmentation masks of extraocular muscle, lacrimal gland and intraorbital fat; calculating quantitative indexes of a target structure based on the segmentation mask, wherein the target structure comprises extraocular muscle, lacrimal gland and intraorbital fat; and generating a diagnosis report containing the quantitative index. Human experience dependence is avoided, and objective and uniform anatomical structure segmentation results are ensured.

The invention relates to the technical field of medical diagnosis, in particular to an eye white image acquisition and disease auxiliary diagnosis method and device, and the method comprises the steps: obtaining a video frame collected by a camera in real time, obtaining eye socket detection frame information in the video frame through a target detection algorithm, and adjusting the three-axis displacement of a motor to be positioned to an eye socket based on the eye socket detection frame information. The method comprises the following steps: completing image acquisition of eye white area maps in five directions, automatically marking abnormal parts, establishing a dynamic coordinate system and a mapping area which take a pupil center as a pole, calculating polar radius and polar angle of polar coordinate parameters, calculating a spatial weight value of mapping abnormity through a distance attenuation function, calculating a comprehensive gain value of the mapping area, and normalizing the comprehensive gain value. Generating an eye white abnormity thermodynamic diagram and performing hierarchical display; according to the invention, eye sockets are automatically positioned, eye white area maps in five directions are adaptively acquired, hierarchical display of eye white abnormity thermodynamic diagrams is realized, batch acquisition of eye white images of patients is satisfied, diagnosis efficiency is improved, and doctors are assisted to complete disease diagnosis.

The utility model provides an eye cream bottle which comprises a bottle body, a massage head assembly and a connecting piece, and the bottle body is provided with a pump core. The massage head assembly is arranged outside the upper end of the pump core in a sleeving mode and can rotate. The connecting piece is connected with the liquid outlet hole and the pump core and can move up and down; a driving part is arranged on the massage head assembly, an abutting part is arranged on the connecting piece, and the connecting piece is driven to drive the valve rod to move downwards to open the pump core through abutting cooperation of the driving part and the abutting part. By rotating the massage head assembly, the massage head assembly drives the valve rod of the pump core through the connecting piece, and eye cream in the bottle body can be discharged from the liquid outlet hole in the smearing face of the massage head assembly, so that rotary quantitative discharging of the eye cream bottle is achieved, and it is avoided that materials make contact with air for a long time; in addition, a consumer can smear eye cream through the smearing face of the massage head assembly, the problems that smearing is uneven and waste is prone to being caused are solved, meanwhile, the massage head assembly can be attached to eye sockets, eye skin is massaged, and absorption of eye skin care products is promoted.

The invention relates to an accompanying robot, and belongs to the technical field of robots. The accompanying robot comprises a head and two blinking mechanisms, the head is provided with two eye sockets, the two eye sockets are symmetrically located on the same side of the head, the blinking mechanisms correspond to the eye sockets in a one-to-one mode, each blinking mechanism comprises a back plate and two eyelids, the back plates are installed in the corresponding eye sockets, and the two eyelids are installed on the back plates. The back plates are arranged on the outer sides of the eye sockets, the front faces of the back plates face the outer sides of the eye sockets, and the two eyelids can be installed in the corresponding eye sockets in a relative movement mode and are both located on the front faces of the corresponding back plates. The accompanying robot disclosed by the invention can express relatively complex emotional information.

The invention discloses a rice seedling tray visual positioning device in the field of intelligent agricultural machinery, the rice seedling tray visual positioning device comprises two bases and two bionic eye mechanisms, each bionic eye mechanism comprises a bionic eyeball, an eye socket and a bionic muscle assembly, and a miniature camera is arranged at the front part of the bionic eyeball; the bionic muscle assembly comprises an upper flexible rope, a lower elastic rope, a left elastic rope and a right flexible rope, one end of the upper flexible rope is fixedly connected with the rear portion of the bionic eyeball, the other end of the upper flexible rope is fixedly connected with the output end of the upper gas actuator, one end of the right flexible rope is fixedly connected with the rear portion of the bionic eyeball, and the other end of the right flexible rope is fixedly connected with the output end of the right gas actuator. One end of the lower elastic rope and one end of the left elastic rope are fixedly connected with the rear portion of the bionic eyeball, the other end of the lower elastic rope and the other end of the left elastic rope are fixedly connected with the base, the two upper gas actuators are connected with the first gas driver through the two flexible gas pipes respectively, and the two right gas actuators are connected with the second gas driver through the two flexible gas pipes respectively. The positioning device can play a quick and accurate positioning role when the seedling tray is transferred.

The invention discloses a panda individual identification feature extraction method and system based on image processing, and relates to the technical field of biological recognition. The method comprises the following steps: firstly, acquiring an original infrared image file set of a to-be-identified panda, extracting the original image file set of the to-be-identified panda from the original infrared image file set, then carrying out gray processing on the original image file set, and respectively acquiring an orbit original image set and a shoulder strap original image set of the to-be-identified panda; processing the original orbit image through a least square ellipse fitting method, and obtaining orbit feature parameters of the giant panda to be identified; and finally, according to the shoulder strap original image set, obtaining shoulder strap feature parameters of the to-be-identified panda. According to the method, the accuracy of the original image file is improved through the temperature difference between the body temperature of the panda and the environment temperature, the eye socket parameters of the panda are extracted, meanwhile, the shoulder strap pattern with larger individual difference is extracted, and therefore accurate identification of the panda individual is achieved through the combination of the eye socket features and the shoulder strap features, and the panda identification accuracy is improved.

The invention relates to the technical field of veterinary medical equipment, and discloses a veterinary examination sample collection device which comprises a gun body part, a handheld part and an extension tube which are installed in a combined mode, the gun body part is internally provided with a suction part, the veterinary examination sample collection device further comprises a collection ball arranged at the front end of the extension tube, the surface of the collection ball is fully provided with filter holes communicated with the suction part, and the filter holes are communicated with the suction part. The filter holes are used for filtering solid particles in gastric juice; the eye socket structure is arranged around the collecting ball and comprises two eyelid shells which can be opened or closed; and the blinking structure is used for controlling the opening and closing of the two eyelid shells. By means of the innovative design of simulating the biological blinking action, efficient cleaning of the filter holes is achieved, the water-free cleaning mode avoids the problems of gastric juice dilution and component change possibly caused by using a cleaning solution in a traditional cleaning method, meanwhile, the risk that external impurities and flora enter the stomach is remarkably reduced, and the cleaning effect is good. And the possibility of cross infection is effectively reduced.

The application discloses an abnormal refraction state recognition method and device based on an eye abnormal posture, and the method comprises the following steps: acquiring video data corresponding to a vision test process of a subject, wherein the vision test process is a vision test performed by the subject based on a target change video played by a preset target change device; performing image frame processing on the video data, determining a face region in each frame of image, and performing face feature point extraction on the face region to determine eye socket feature points and eyebrow feature points in the face feature points; recognizing an eye abnormal posture based on the eye socket feature points and the eyebrow feature points, and determining an image frame corresponding to the eye abnormal posture, so as to determine vision test data according to the image frame, wherein the vision test data comprises the shape of a target, the distance between the subject and the target, and the blurring degree of the target. The application can accurately judge whether the subject has an abnormal refraction state by extracting the eye abnormal posture.

The invention relates to an enhancement device for improving the vision of a human eye 1 rotating in its eye socket 2. The device essentially comprises: optical means 10 for illuminating an object 11 to be observed with a light beam 12; a holographic plate 15; support means 17 for positioning the holographic plate 15 within the potential field of view of the eye 1 so that it is able to capture the light waves 19 reflected by the object 11 when illuminated by the light beam emitted by the optical means 10; and means for irradiating the holographic plate 15 on the basis of the position of the eye 1 in its orbit 2. The invention can be used in particular for manufacturing AMD control glasses.

The invention discloses a three-dimensional imaging eye region processing method and device, equipment and a medium, and the method comprises the steps: obtaining a color image of a human face and an initial human face point cloud, carrying out the feature extraction of the color image of the human face, and obtaining eye socket key points; projecting the orbit key points to the initial face point cloud to obtain orbit point clouds and second face point clouds not including the orbit point clouds; constructing an eyeball three-dimensional model based on a least square method, and filtering point clouds of the eyeball three-dimensional model according to the orbit key points; and smoothing the filtered eyeball three-dimensional model, and adding the eyeball three-dimensional model to the second face point cloud to obtain a target face point cloud. According to the invention, the point cloud depression or discontinuity phenomenon of the eyeball area can be improved, and the accuracy and integrity of the depth camera in capturing and reconstructing the depth information of the eyeball area can be improved.

The utility model discloses an interpupillary distance calibration pupil pen lamp which comprises a pupil pen lamp body, a thread is arranged at the position of the pupil pen lamp body, a threaded sleeve is connected to the position of the thread in a threaded mode, one end and the other end of the threaded sleeve are both connected with frame bodies, and the positions of the frame bodies are connected with the same ring body. According to the utility model, the thread bushing is in threaded connection with the thread at the pupil pen lamp, so that the thread bushing rotates at the thread to drive the ring body and the pupil pen lamp to adjust the distance, and the ring body is in contact with the skin around the eyes of a patient, so that medical personnel can adjust the distance between the ring body and the pupil pen lamp according to individual differences (such as eye socket depth, facial contour and the like) of the patient. The distance between the pupil pen lamp and the eyes is accurately adjusted, it is guaranteed that light stably and properly irradiates the pupils, the light reflex examination result of the pupils is more accurate, and disease diagnosis is assisted.

The utility model relates to the technical field of life cultivation and health preservation tools, in particular to a multifunctional head and face tendon shifting and scraping therapy device. Comprising a holding rod, one end of the holding rod is provided with a spherical first massage part, the other end of the holding rod is provided with a scraping therapy plate, and the side edge, away from the holding rod, of the scraping therapy plate is an arc-shaped scraping therapy part; the two ends of the scraping therapy part are fillets and serve as second massage parts respectively. According to the multifunctional head and face tendon poking and scraping therapy device, the spherical first massage part is arranged to conduct tendon poking and acupoint hitting, key acupoints and main and collateral channels are beaten, poked, pressed and kneaded, and the arc-shaped scraping therapy part is arranged to conduct scraping therapy on the forehead, the upper edge and the lower edge of eye sockets, the lower jaw, the cheekbones in front of ears and behind ears, the neck and other positions. Compared with a traditional fan-shaped scraping therapy plate, the scraping therapy plate can be attached to multiple positions such as the face and the neck of a person more easily, use is more convenient, the second massage parts at the two ends of the scraping therapy part can be used for acupoint pressing, pushing and pressing and the like, multiple functions are achieved, scraping therapy, acupoint pressing, tendon poking, pushing and pressing and other operation can be conducted, and practicability is higher.

The utility model relates to an ophthalmology multi-position skill training simulation teaching aid, which belongs to the field of simulation teaching aids and comprises a support, a head model, a neck model, a replaceable eyeball model and a fixed eyeball model. Threaded holes A are respectively formed in two sides of the neck model; the bracket comprises a base, a height adjusting rod, a connecting block and a head model clamping component; the head model clamping and fixing assembly comprises two clamping and fixing plates and two screw rods; the height adjusting rod is connected between the base and the connecting block; the two clamping plates are L-shaped, vertical rods of the clamping plates face upwards, and transverse rods of the clamping plates are connected with the connecting blocks; the two screw rods are oppositely and respectively in threaded connection with the vertical rods of the clamping and fixing plate; the human head model is provided with two simulated eye sockets, one simulated eye socket is a silica gel eye socket, and the replaceable eyeball is detachably connected with the silica gel eye socket; according to the utility model, most ophthalmological skill training and training can be satisfied by using a simple structure, and the cost and the occupied space of the eye training model are reduced.

A wearable system and methods for modifying properties of eyes are provided. The system includes an ultrasonic device; at least one sealed cavity; a fluid and lighting environment control device; a controller; one or more feedback sensors; and a computing device. The method includes applying vibrations through actuators in contact with an eye socket bone through skin; warming a cavity to set temperature to a first temperature for a period up to a predetermined time except when the temperature exceeds a second temperature; setting vibration cycles after the set temperature is reached; initiating a cavity pressure cycling after the set temperature is reached and after the setting vibration cycles is completed; and completing the cavity pressure cycling and then completing the warming. The system and methods can be applied to surgical treatments, medications, finger massage, or used independently to modify the tissue properties of the eye.

The utility model relates to the technical field of training teaching aids, in particular to a sclera jacking and pressing training teaching aid, which comprises a head model, a main control board, a silica gel eyeball model, a Bluetooth module, a voice module and a USB (universal serial bus) charging port, and is provided with a structure of a head, eye sockets, eyelids, conjunctival sacs and eyeballs, so that the model is closer to a real human eye structure; according to the simulation operation teaching aid, the jacking effect can be sensed in real time, a prompt tone can be given out, final evaluation can be made, a wide-area fundus photograph of a real case can be mapped into a retina 3D printing model, a vivid crack-derived retina shedding simulation operation teaching aid is achieved, meanwhile, a virtual eyeball is simulated at a mobile phone or a computer end, the jacking position, range and force are synchronously reflected, and the simulation operation teaching aid can be used for simulating the retina. The sclera jacking and pressing teaching aid is a multimedia physical teaching aid which combines visual virtual guidance and force and position perception, enables an operator to feel more vivid operation and more real feeling, obtains intelligent guidance of a computer, and quickly masters the sclera jacking and pressing technology in an operation.

The utility model relates to a lacrimal passage flushing auxiliary eyelid fixing tool which comprises an annular flexible eyeshade, and fixing structures used for fixing the annular flexible eyeshade to the eye socket position of a patient are installed at the two ends of the annular flexible eyeshade. Sliding sleeves are fixedly arranged on the upper side wall and the lower side wall of the annular flexible eyeshade in a penetrating mode, and pull rods are slidably connected into the sliding sleeves. When the eyeshade is used, the annular flexible eyeshade is worn at the eye socket position of a patient through the cloth belt, then the pull rod is pressed into the annular flexible eyeshade to extrude the spring to contract until the shifting plate installed on the metal reed moves to be aligned with the eyelids of the patient, then the screw is rotated to adjust the position of the metal reed so that the shifting plate can be attached to the eyelids of the patient, and the pull rod can be loosened. At the moment, the spring can push the pull rod to slide reversely under the action of elastic force, upper and lower eyelids of the patient are opened through the shifting plate, and the problem that operation of medical staff is affected due to frequent blinking of the patient caused by eye stimulation during lacrimal passage flushing of the patient is solved as much as possible.

The utility model relates to the technical field of eye washing equipment, and discloses chemical burnt cornea washing equipment. The chemical burnt cornea flushing equipment comprises a flushing device and a flushing fluid supply device, the flushing device comprises a wearing frame capable of being worn on the eyes, the wearing frame comprises two eye washing cups, the head ends of the eye washing cups can make sealed contact with eye sockets and are provided with first openings used for containing the human eyes, the tail ends of the eye washing cups are provided with second openings, and the second openings communicate with the first openings; a flushing mechanism capable of spraying flushing fluid towards human eyes is arranged in the eye washing cup. The flushing fluid supply device communicates with the flushing mechanism through a conveying hose so that flushing fluid can be provided for the flushing mechanism. The flushing device for the chemically burnt cornea can be placed in an area where chemical burns are prone to happening for standby application, flushing operation is simple, a wounded person can flush the eyes within the shortest time and does not need to go to a far medical site for flushing, the first-aid time is prevented from being delayed, and therefore the injury condition is prevented from being aggravated.

The present invention provides a trans-orbital electrical stimulation device, which relates to the field of electronic technology. The device includes: an electroencephalogram (EEG) signal collector, a controller, and an electrical stimulation signal generator, wherein: the EEG signal collector is connected to the controller, and is used to collect the patient's eyes-closed resting-state EEG signals and eyes-open resting-state EEG signals, and transmit them to the controller; the controller is connected to the electrical stimulation signal generator, and is used to obtain the patient's corresponding target alpha frequency based on the eyes-closed resting-state EEG signals and eyes-open resting-state EEG signals, and transmit it to the electrical stimulation signal generator; the electrical stimulation signal generator is used to generate a first alternating current (AC) stimulation signal based on the patient's corresponding target alpha frequency, and output the first AC stimulation signal to apply electrical stimulation to the patient's eye socket, thereby solving the technical problem in the prior art of how to generate appropriate AC stimulation signals for different patients.

The application relates to the technical field of eye cold compress, in particular to a quick-cooling eye mask for cold compress; the eye mask comprises a containing cavity construction module, a transient refrigeration module, an anisotropic tension module and a thermal rheological self-adaptive adjustment module; the system combines carbonamide chemical endothermic and high-molecular water-absorbing resin swelling phase change mechanism to construct a cold quantity and local rigidity compensation system; the core is to follow the thermal rheological self-adaptive adjustment rule, utilize the microporous penetration membrane to self-adaptively expand the pore diameter along with the local temperature recovery, control the pure water supplement penetration amount and generate a hydrogel, and simultaneously combine the flexible traction rib to realize one-way conversion of the expanded volume to the eye socket conformal positive pressure; the application discards the defect that the traditional liquid refrigeration medium is prone to sedimentation under the action of gravity due to low viscosity flow, utilizes temperature osmotic pressure interaction to solve the problem that the eye socket curved surface is difficult to be closely attached, and effectively realizes self-adaptive compensation of the local cold quantity and the attachment rigidity.

The utility model provides a swimming goggles protection pad. The swimming goggles protection pad comprises a body; the swimming goggles are made of solid plastic or rubber soft materials, the hardness level is shore A10-20 Shore hardness units, the swimming goggles are provided with an assembling and connecting part fixedly connected with the swimming goggles and a face attaching part making contact with the face, the face attaching part is provided with a first circumferential face and a second circumferential face which are in a wave outline shape, and the wave outline of the first circumferential face is the outline of the upper half portion of an eye socket. The wave profile of the second peripheral surface is the lower half profile of the eye socket, so that after the swimming goggles are assembled on the swimming goggles to wear, the first peripheral surface and the second peripheral surface can be matched with the design of the wave profiles of the first peripheral surface and the second peripheral surface due to the characteristic that the solid soft material is easy to deform; the upper edge and the lower edge of the face fitting part are naturally matched with the peripheries of eye sockets of users with different face contours, and the effects of being comfortable to wear and free of water seepage are achieved.

A dispenser assembly includes a dispenser bottle having a nipple for dispensing a solution (e.g., eye drop solution, eye wash solution, eye lid cleaner and / or wash solution), and a cap removably couplable to the dispenser bottle over the nipple. An eye cup is fixedly coupled to the dispenser bottle around the nipple. The eye cup can be supported on or rest on the periphery of the eye socket to facilitate delivery of the solution onto or over a user's eye.

The invention discloses a dummy head injury testing device and method for an impact test, the testing device comprises a head assembly, the head assembly comprises a skull, brain tissue, head skin and a sensing device, eye sockets are arranged on the skull, and bionic eyeballs are arranged at the eye sockets; the brain tissue comprises bionic brain tissue and bionic cerebrospinal fluid; the head skin comprises a head skin body and flexible sensing skin arranged on the outer surface of the head skin body, the flexible sensing skin comprises a flexible substrate layer, wire electrodes arranged on the two end faces of the flexible substrate layer respectively and insulating layers covering the wire electrodes, and a plurality of wire electrodes are arranged on the two end faces at intervals. The wire electrodes on the two end faces are orthogonally arranged to form an array structure, and raw materials of the flexible substrate layer comprise silicone rubber and a conductive material. The testing device is good in biological simulation degree, the testing result is closer to the real situation, multiple sensor configuration schemes are provided, and more head injury data can be obtained.

The utility model discloses a radio frequency traceless facial fat dissolving instrument, and relates to the field of fat dissolving instruments. The eye socket comprises an eye socket main body and a massage structure, the eye socket body comprises two fat dissolving instrument bodies, connecting sliding rods are arranged on the opposite sides of the fat dissolving instrument bodies, a moving cylinder is arranged between the two connecting sliding rods, and supporting blocks are arranged outside the fat dissolving instrument bodies. The newly added massage function can provide comfortable massage experience for a patient before and after radio frequency treatment, eye tension and discomfort can be relieved, and user experience in the whole treatment process is improved; the massage structure can stimulate blood circulation around the eyes, help to accelerate discharge of metabolic waste and relieve the edema phenomenon, and is particularly beneficial to treatment of the face and black eyes. Appropriate eye massage is beneficial for radio frequency energy to better permeate into target tissues, meanwhile, the recovery process after treatment can be promoted, and the overall treatment effect is improved.

The invention relates to the technical field of ophthalmology department treatment hot compress, and discloses an ophthalmology department clinical treatment hot compress device which comprises a device body, a hot compress adjusting part arranged at one end of the device body and a rotary massage part arranged on the hot compress adjusting part. The hot compress component is arranged in an inner cavity of the device body. According to the clinical treatment hot compress device based on the ophthalmology department, the threaded rod can be driven to rotate by positively rotating or reversely rotating the rotating disc, then the attaching tightness degree of the sponge ring sleeve and the periphery of the eye socket of a patient can be flexibly adjusted according to the requirement of the patient, the eye contour varies from person to person, and the hot compress effect is improved by accurately adjusting the attaching tightness degree of a hot compress source and the eye socket. And meanwhile, flexible adjustment is performed according to the eye sensitivity and comfort requirements of a patient, so that the patient feels more comfortable in the treatment process while the eyes are prevented from being pressed, the discomfort is reduced, and the treatment experience is improved.

The utility model discloses a toy eye movement structure which comprises eyeballs arranged on the inner sides of eye sockets of the front face of a toy and a fixing cover arranged on the inner side of the front face of the toy and used for covering the eyeballs. Wherein rotating shafts extending outwards are arranged above and below the eyeballs respectively, supporting blocks with concave positions are arranged between the rotating shafts and the inner sides of the eye sockets, and sound mechanisms are arranged on the rotating shafts on one sides of the eyeballs. The sound mechanism comprises a concave section arranged on the surface of the end of the rotating shaft on one side of the eyeballs, a stand column arranged on the inner side of the toy front face on one side of the concave section, and a pressing piece arranged on the stand column, wherein one end of the pressing piece is perpendicular to the stand column and fixedly connected with the stand column, and the other end of the pressing piece extends to the end of the rotating shaft and makes contact with the concave section and the side face of the end of the rotating shaft in a pressing mode. The utility model has the effects that the interactive experience effect is good and the eyes rotate flexibly.

The utility model discloses a doll toy with movable eyes, which comprises a face shell, an eye mechanism, a rear shell and a control piece, two eye sockets are arranged on the face shell and penetrate through the face shell, and the face shell is detachably connected with the rear shell; the eye mechanism is rotationally arranged in the face shell, two eyeballs are arranged on the eye mechanism, the eyeballs and the eye sockets are arranged in a one-to-one correspondence mode, and a first magnet is arranged in the eye mechanism; and a second magnet is arranged in the control piece. The technical effects are achieved as follows: a user holds the control piece to approach the face shell or the rear shell in the use process, the user moves the control piece to drive the eye mechanism to rotate by utilizing mutual repulsion or attraction between the first magnet and the second magnet, so that the eyeballs rotate in the eye sockets, good interactivity is achieved, meanwhile, the overall structure is simple, and the use is convenient. And processing and manufacturing are convenient.

A dispenser assembly includes a dispenser bottle having a nipple for dispensing a solution (e.g., eye drop solution, eye wash solution, eye lid cleaner and / or wash solution), and a cap removably couplable to the dispenser bottle over the nipple. The dispenser bottle has a chamber that removably receives a single-use vial cartridge. An eye cup is fixedly coupled to the dispenser bottle around the nipple, or the eye cup is detachable and invertible relative to the dispenser bottle. The eye cup can be supported on or rest on the periphery of the eye socket to facilitate delivery of the solution onto or over a user's eye.

A device and method of use for measuring and modifying orbital content volume, pressure, blood flow, venous drainage, lymphatic drainage, and pulsatility of a subject's eye socket(s) (orbits) are provided. The device includes goggles including at least one chamber in front of the orbit that serves to expand the functional orbital volume to include the orbital contents and the space inside the chamber, at least one pressure measuring sensor, means for controlling the pressure inside the chamber such as a release valve, pump and / or vacuum device in fluid communication with the chamber, a processing and control mechanism, means of communication, and a power supply. The control mechanism can be operatively coupled to the pump, vacuum, release valve device and can maintain a predetermined pressure or pressure modulation in response to the measured pressure in the chamber when the device is worn by a subject.

The strabismus demonstration model comprises a head model and an eyeball model assembly, the head model is provided with eye sockets, the eyeball model assembly is installed in the eye sockets and comprises eyeball beads and extraocular muscle simulation assemblies, the eyeball beads are connected with the extraocular muscle simulation assemblies, and the extraocular muscle simulation assemblies are connected with the eyeball beads. The eye muscle simulation assembly comprises six elastic rubber strips, a large fixing ring and a small fixing ring, real eye muscles are simulated through the six rubber strips, and various strabismus conditions can be simulated by adjusting the rubber strips at corresponding positions. According to the strabismus demonstration model, the head model and the eyeball model assembly are arranged, the eyeball model assembly comprises the six elastic rubber strips, the large fixing ring and the small fixing ring, real eye muscles are simulated through the six rubber strips, and various strabismus conditions can be simulated by adjusting the rubber strips at the corresponding positions; therefore, strabismus formation and treatment effects can be visually displayed, and doctors, patients and family members of the doctors, the patients and the family members of the doctors can conveniently understand complete extraocular muscles and strabismus surgery principles.