169 results about "Ciliary muscle" patented technology

Hardware and software system solutions provide real-time, interactive predictive simulation of an eye (e.g., a human eye or animal eye). A predictive simulation of an individual eye may be created using finite element models (FEM) of ocular structures involved in optical biomechanics, including ocular adjustments. Unlike previous ocular models, the present FEM described herein is a three-dimensional FEM of an adjustment mechanism, including but not limited to the anterior of the human eye that simulates ciliary muscle fiber contraction actions, to predict the dynamic deformation of the crystalline lens required to adjust visual power variations, referred to herein as' Central Visual Power '(COP). The present FEM further describes aqueous / vitreous outflow and fluid flow mechanisms referred to herein as "hydrodynamics". The virtual FEM further describes posterior ocular biomechanics that simulates the actions of the Bruch membrane, retina, vitreous and sieve plates during pre-stretching, non-regulatory and regulatory actions of the eye.

The invention discloses a myopia prevention and control display method and device, computer equipment and a storage medium, and the method comprises the steps: determining an object in front of a vehicle, the relative distance between which and the vehicle is greater than a first set distance, as a target watching object according to the environment information in front of the vehicle; a fuzzy image layer is displayed at the position, corresponding to the target watching object, of a target device so as to change the fuzzy degree of the target watching object, and the target device is a vehicle window of the vehicle or a head-mounted device connected with the vehicle; and if it is detected that the duration of watching the fuzzy layer by the user is greater than the set duration, cancelling the display of the fuzzy layer on the target device. Thus, when the duration of the user watching the target watching object in front of the vehicle is longer than the set duration, the target watching object is gradually cleared by canceling the display of the fuzzy layer on the target watching object, so that the ciliary muscles of the eyes of the user are helped to be gradually relaxed, and the user experience is improved. Therefore, the user can complete myopia prevention and control training in idle time in a vehicle driving or parking scene.

The invention relates to the technical field of visual health management, in particular to a ciliary muscle adjustment training system and method based on eye movement tracking, and the method comprises the steps: collecting eye movement data of a fixation point track, an adjustment amplitude change rate and pupil response time in real time, and combining personalized parameters such as the age of a user, diopter and a training target; inputting a ciliary muscle training dynamic planning algorithm module, dynamically generating a stage scheme containing a training action type, a single-group duration, a stimulation interval and a focal length adjustment strategy, and adaptively adjusting the strategy according to real-time adjustment stability and a historical ability curve; through multi-dimensional matching analysis of a pre-stored standard eye movement template, a training specification score is calculated from the track goodness of fit, speed uniformity, amplitude standard-reaching rate and binocular coordination, visual fatigue parameters are obtained based on continuous training duration, pupil fluctuation and retina reflex change, a scoring result is dynamically corrected, and a visual fatigue evaluation result is obtained. Personalized, self-adaptive and quantitative safety control of the training process is realized.

The invention provides a VR visual training method and system based on dynamic refraction adjustment, and is applied to the technical field of VR visual training, and the system comprises a display module, a focusing mechanism, a hybrid optical system and a main controller. The main controller generates a target diopter sequence changing along with time according to the training mode, and drives the optical lens group to move along the optical axis direction, so that the focal power of the system is physically changed; meanwhile, the virtual image depth is updated according to the diopter, and perspective parameters are adjusted and rendered, so that the position of the presented virtual image is consistent with the optical focus in real time; in the training process, the adjusting reaction speed and the adjusting lag amount are obtained through the clear recognition performance of the user on the sighting mark, the main controller conducts self-adaptive adjustment on the follow-up refraction change track based on feedback, and training stimulation is made to be matched with the instant adjusting ability of the user. A real, continuous and individualized adjusting stimulation environment can be constructed, and the effectiveness and safety of ciliary muscle training are improved.

The invention provides a composition which comprises two components, and the component A comprises lutein; and the component B comprises a berry fruit extract containing anthocyanin. The composition has the effects of eliminating free radicals, resisting oxidation, protecting eyes, inhibiting tear secretion reduction, relieving eyestrain and eye dryness, relieving ciliary muscle tension, repairing retina, preventing and controlling ocular axes, protecting eyesight, preventing myopia, improving eye microcirculation, improving couperose skin and the like.

The invention discloses a shortsightedness prevention and control glasses manufacturing method based on the Bernoulli theory and shortsightedness prevention and control glasses, and relates to the field of shortsightedness prevention and control glasses. The peripheral depth and the myopia degree of a Bernoulli single-vision circle fusion area of an individual are measured, the measured peripheral depth of the Bernoulli fusion area serves as the thickness of the bottom edge of a triangular prism, the triangular prism is combined and manufactured, the width of the prevention and control glasses is determined according to the width of a fusion fracture point, the myopia prevention and control glasses suitable for the individual are obtained, and the myopia prevention and control glasses suitable for the individual are obtained by applying the Top-down vision theory. The myopia prevention and control glasses are designed for individuals with myopia degrees of-1.00 ds to-2.00 ds, so that the individuals can realize complete'near-far 'ciliary muscle function small-amplitude adjustment of a Bernoulli fusion region, and a cognitive effect of'far-end' of the Bernoulli fusion region is generated in a reading process of a close-range target, thereby completing relaxation of ciliary muscle tension, realizing myopia prevention and control and correction, and improving the myopia prevention and control effect. Under the conditions that the reading amount is not reduced and outdoor activities are not demanded, the purpose of preventing and controlling myopia is achieved.

An intraocular lens (IOL) has a small central lens suspended within a pliable housing that is coaxially aligned with a second lenslet embedded in a wall of the housing when the housing is filled with a liquid. The suspension is located on a dome-shaped or other-shaped webbing attached to the inner periphery of the wall. When filled with a liquid, the distance between the lenses is adjusted to adjust the focal length, such as the force of the ciliary muscles in the eye that presses or pulls the equator of the housing. An optional haptic may protrude from a point above or below the equator. A recess in the rear hemisphere of the housing is capable of maintaining the growth of the cells away from the optical axis of the lens system. A third lenslet may be embedded in an opposing wall of the housing and coaxially aligned with the other lenses to form a three-lens super zoom system.

The invention discloses an intelligent diopter training system and method based on a multi-modal physiological feedback and reinforcement learning algorithm. The intelligent diopter training system comprises a multi-modal physiological data acquisition module, a central processing PC, a user terminal and a cloud data platform. Visual behavior data, ciliary muscle state data and autonomic nerve reaction data of a user are collected in real time through a multi-modal physiological data collection module, multi-modal physiological data fusion and feature extraction are carried out, and a refraction state evaluation model is used for calculating a comprehensive score of a refraction state grade, visual fatigue and adjustment sensitivity of the current user. A personalized training parameter set of the next training period is dynamically decided and generated based on a reinforcement learning algorithm, and the user terminal presents visual training stimulation according to the current personalized training parameter set. The cloud data platform stores the data and generates a visual training effect trend chart, a diopter change prediction report and personalized training suggestions to complete training scheme personalization, training means intellectualization and feedback evaluation comprehensiveness.

The invention relates to a wearable visual training method and system and a storage medium. The method comprises the following steps: providing at least two training modes; when the first training mode is executed, the intelligent zoom glasses worn by the user are alternately controlled to carry out positive lens reduction and positive lens addition, the positive lens reduction and positive lens addition are carried out in a first set range, the period of the positive lens reduction is smaller than the period of the positive lens addition, and the speed of the positive lens reduction is larger than the speed of the positive lens addition; therefore, the ciliary muscles of the user can alternately rapidly contract and slowly relax; when the second training mode is executed, the intelligent zoom glasses worn by the user are alternately controlled to add positive glasses and reduce positive glasses, positive glasses adding and positive glasses reducing are carried out in a second set range, the positive glasses adding period is larger than the positive glasses reducing period, the positive glasses adding speed is smaller than the positive glasses reducing speed, and the positive glasses adding speed is smaller than the positive glasses reducing speed. Therefore, the ciliary muscles of the user can slowly relax and normally contract. Through the specially designed waveform, the training efficiency of ciliary muscles is improved, and then the adjusting ability of eyeballs is improved or promoted.

The invention belongs to the technical field of child visual training, and particularly relates to a child visual function training system and method based on ciliary muscle adjustment. The child visual function training system based on ciliary muscle adjustment comprises a collaborative acquisition module and a dynamic training module. The collaborative acquisition module acquires an anterior segment image of an eyeball in real time through a built-in image acquisition unit so as to identify eye features, acquires extraocular muscle pressure deformation data through a built-in pressure acquisition unit, and then associates and analyzes the eye features and the extraocular muscle pressure deformation data through a built-in data fusion unit; a mapping model is established according to the analysis result, the refractive power change of the crystalline lens is calculated, and the calculation result is processed into the ciliary muscle adjustment amount; the dynamic training module determines training parameters in combination with child individual data and historical data acquired by the collaborative acquisition module, and dynamically adjusts training duration and light wave parameters according to the ciliary muscle adjustment amount, thereby solving the problems of poor child training effect and safety risk in the training process.

The utility model relates to a visual training mechanism based on a sighting mark, and the mechanism comprises a visual tube which is internally provided with a channel; the light source module is used for providing light spots with specified illumination intensity, size and shape, is arranged in the channel of the visual tube and can move along the length direction of the channel; the moving module is used for driving the light source module to move in the channel of the viewing tube; the light source module is arranged to be of a movable structure in the visual tube, the specific position of the light source module in the visual tube can be adjusted according to actual visual training requirements, and the visual training device has the advantages of being diversified in function and good in visual training effect. Meanwhile, the pattern on the sighting mark sheet of the light source module can enable the user to more directly and clearly sense the moving process of the light source module during forward and backward movement of the light source module during visual training, so that the ciliary muscle of the user can adjust the eyes of the user on the basis that the fundus receives illumination, and the visual training effect is improved.

1. Name of the design product: Ciliary muscle exerciser. 2. Use of the design product: This design product is used for exercising the ciliary muscles of the eyes. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Stereogram.

The invention relates to the technical field of myopia treatment, in particular to a myopia reversal treatment method and device based on the synergistic effect of composite optical adjustment and biological stimulation. The device comprises an adjustable optical training module, a micro-current stimulation module and an intelligent control system which are cooperatively operated, and the adjustable optical training module is designed by dynamic defocusing of an area corresponding to double lenses so as to synchronously drive and adjust a corresponding diopter difference range. The ciliary muscle is guided to carry out focusing-relaxing alternate training; the micro-current stimulation module can output adjustable pulse current and is synchronously integrated with the PID temperature control system to maintain the hot compress temperature; the intelligent control system analyzes the length of the ocular axis and the curvature of the cornea in real time and adjusts the lag amount, parameters corresponding to the adjustable optical training module and the micro-current stimulation module are dynamically optimized, and therefore precise regulation and control of a personalized myopia reversal treatment scheme are achieved. According to the invention, effective reversion, prevention and control of myopia can be realized.

The invention belongs to the field of biological medicine, and particularly relates to a traditional Chinese medicine composition for treating xerophthalmia and relieving asthenopia and a preparation method thereof, the traditional Chinese medicine composition comprises mulberry leaf, chrysanthemum, cassia seed, wolfberry, rehmannia, dogwood, moutan bark, Chinese yam, lily, poria cocos, rhizoma alismatis, dendrobe, Chinese angelica, marigold, blueberry, lycium ruthenicum, raspberry, lutein ester and bear gall gold powder. Through the scheme, the traditional Chinese medicine composition provided by the invention can effectively treat clinical symptoms of xerophthalmia, increase tear secretion, improve fundus microcirculation and increase ciliary muscle blood flow, thereby eliminating asthenopia symptoms and improving eyesight.

The utility model relates to the technical field of glasses, in particular to a pair of virtual simulation glasses capable of being used for ciliary muscle detection, which comprises a glasses main body, the glasses main body is provided with a detection mechanism, the detection mechanism comprises an infrared imaging module and a miniature probe, the infrared imaging module and the miniature probe are connected with a nose pad, the glasses main body is provided with a warning mechanism, and the infrared imaging module and the miniature probe are connected with the nose pad. The warning mechanism comprises an LED, a vibration motor and an electrode patch, health detection is conducted on ciliary muscles through the miniature probe and the infrared imaging module which are arranged on the nose pad, the warning mechanism conducts vibration prompting on a patient according to the result of the detection mechanism, the patient is reminded that the patient is in the overuse fatigue state at present, and through low-frequency pulses released by the electrode patch, the patient is reminded to be in the overuse fatigue state at present. Through the lens adjusting mechanism, the diameter of the lens can be increased, the visual field range can be expanded, and the immersion feeling is enhanced; and the diameter can be reduced, the definition of a central area is improved, edge distortion is reduced, and the method is suitable for occasions requiring precise vision.

The present invention relates to a method, a device and a computer program product configured to determine at least one value (328) of ocular aberration of at least one eye (112) of a user (114), and to an associated method configured to produce at least one spectacle lens for at least one eye of a user. Herein, the method comprises the steps of: a) providing input data (314), the input data (314) comprising: information (118, 126) comprising eye aberration and at least one geometric and optical characteristic of at least one eye (112) of a user (114) at a point in time (316); the method comprises the steps of: a) generating at least one piece of information (118, 128) comprising at least one geometric and optical characteristic of at least one eye (112) of the user (113) at a previous point in time (320), and b) generating output data (326) comprising at least one value (328) of an eye aberration of at least one eye (112) of the user (114), where the output data (326) is generated by using the information (118, 128) to determine an eye aberration of the at least one eye (112) of the user (113) at the previous point in time (320). The method comprises the steps of generating information (118, 126) and further information (128), wherein the information (118, 126) is captured in a manner (318) of non-ciliary muscle paralysis; and the further information (128) is captured under ciliary muscle paralysis (322) of at least one eye (112) of the user (114).

The present invention provides an automatic control system and method for a photoacoustic environment in a phototherapy room, comprising: obtaining physical examination information of a phototherapy target, formulating a phototherapy plan for a target item to be improved, automatically programming the phototherapy plan for the item to be improved, and creating a combination of phototherapy plan control program modules; performing full-process monitoring of the phototherapy process target, phototherapy system parameter monitoring, and phototherapy room environmental parameter monitoring, and obtaining full-system monitoring data of the phototherapy process; controlling light parameters of the phototherapy process, controlling sound wave parameters in the phototherapy room, and controlling environmental parameters in the phototherapy room according to the full-system monitoring data of the phototherapy process, and obtaining photoacoustic environmental parameter control information of the phototherapy process; establishing a photoacoustic environment combination multidimensional action model according to the phototherapy plan control program module combination, full-system monitoring data of the phototherapy process, and photoacoustic environmental parameter control information, combining light brightness and darkness slow changes, voice-controlled music, and environmental regulation to train the ciliary muscle and red membrane muscle group, and performing photoacoustic environment combination multidimensional adjustment phototherapy control.

The utility model discloses a character learning device used for ciliary muscle exercise, a slide rail is arranged in a device main body, the slide rail is slidably connected with oppositely arranged moving mechanisms, one side of each moving mechanism is provided with a display screen, the moving mechanisms drive the display screens to transversely move along the slide rail, and the display screens are arranged on the slide rail. According to the character learning device, the moving mechanism is arranged in the character learning device to realize transverse movement of the two display screens, so that far and near changes of virtual images formed after focusing of human eyes are realized, ciliary muscles are relaxed and exercised while people learn, and the learning efficiency is improved. And the risk of myopia caused by ciliary muscle tension due to long-time short-distance reading and learning is reduced.

The present application relates to myopia treatment technical field, especially to a kind of based on the synergistic effect of composite optical regulation and biological stimulation myopia reversal treatment device.The device includes the synergistic operation between adjustable optical training module, micro-current stimulation module and intelligent control system, wherein the adjustable optical training module is by the dynamic defocus design of the region corresponding to double lens, to synchronously drive adjustment corresponding diopter difference range, and guide ciliary muscle to carry out focusing-relaxing alternate training;The micro-current stimulation module can output adjustable pulse current, and synchronously integrate PID temperature control system to maintain hot compress temperature;The intelligent control system is to real-time analysis eye axial length, corneal curvature and adjustment lag, dynamically optimizes the corresponding parameters of the adjustable optical training module and the micro-current stimulation module, to realize the precise regulation and control of individualized myopia reversal treatment scheme.The present application can realize the effective reversal and prevention and control of myopia.

The invention discloses a wide-range diopter adjustable optical system for ciliary muscle training glasses, and relates to the technical field of diopter adjusting.The wide-range diopter adjustable optical system comprises a glasses body, glasses legs are rotationally connected to the two sides of the glasses body, and mounting grooves are formed in glasses frames on the two sides of the glasses body; and a positive focal power lens and a negative focal power lens are arranged in the mounting groove. According to the ciliary muscle training glasses, the optical lens group capable of being dynamically adjusted is introduced and matched with the driving mechanism and a precise control mechanism, continuous and precise adjustment of the refractive power is achieved, the glasses can adapt to individualized refractive states of different users, the limitation that existing equipment is only suitable for people with specific vision is overcome, the applicable group is widened, and the application range of the glasses is widened. The optical system provided by the invention can be used as a standardized functional module, not only can be adapted in a spectacle frame, but also can be used in equipment, so that the consistency, the reliability and the quality controllability of a product in a production stage are remarkably improved, and a foundation is laid for large-scale application.

The application belongs to the technical field of vision care, and provides a kind of intelligent glasses, glasses box and vision training method, intelligent glasses include: frame mechanism;Lens mechanism, it includes left mirror unit, right mirror unit and pupil distance adjusting unit, left mirror unit, right mirror unit are connected with pupil distance adjusting unit to realize lens pupil distance adjusting function;Drive mechanism is connected with pupil distance adjusting unit to realize zoom vision training function.The intelligent glasses provided by the application is simple in appearance, light in quality, can replace daily ordinary corrective glasses for use, can improve the user's retinal imaging quality by adjusting the lens pupil distance, reduce the eye fatigue, at the same time, the lens can be driven to reciprocate to realize zoom vision training function, effectively exercise ciliary muscle, improve the accommodation ability and acuity of ciliary muscle, play the effect of preventing and treating myopia and amblyopia, the vibration is weak, avoid the phenomenon of dizziness and discomfort produced in the training process, improve the user experience and vision training effect of wearer.

The invention relates to the technical field of myopia protection, in particular to a posture monitoring method and system for preventing myopia and protecting eyes. During application, image data of a user is collected, and dynamic spatial positions of key nodes such as head eyes, neck point locations and trunk shoulders are extracted and processed. In a single second preset time period, the deviation intensity of the head posture, the neck posture and the trunk posture relative to the respective standard posture in the second preset time period is monitored, prompt information of the corresponding intensity is generated, a user can be reminded to correct unconscious posture deformation in time, the prompt intensity is matched with the deviation intensity, and the user experience is improved. And a prompting effect can be achieved, and the user cannot be excessively interfered, so that myopia inducements such as eyeball ciliary muscle fatigue, crystalline lens adjustment spasm and binocular adjustment imbalance caused by posture abnormity are avoided. By monitoring the deviation frequency of the three postures in the third preset time period, when the frequency exceeds a safety value, forced intervention information is generated, a dual protection mechanism is formed, and the myopia prevention effect is further enhanced.

The invention relates to an eyeball movement training control method and system based on multi-mode light spot guidance, and the method employs the multi-directional distribution of light-emitting points, controls the light-emitting points to be lighted at a constant angular velocity in order through a control program or instruction, or is lighted based on a pseudo-random number algorithm, and the lighted light-emitting points actively guide the eyeball movement of a trainee. The purpose of eyeball movement training is achieved. The lamp beads are sequentially lightened at a constant angular speed to guide eyeballs to do smooth following motion, so that the continuous tension state of ciliary muscles is relieved, and the ciliary muscles are relaxed; a discontinuous light spot coordinate sequence is generated based on a pseudo-random number algorithm, eyeballs are guided to rapidly switch fixation points in the horizontal direction, the vertical direction and the oblique direction, the dynamic adjustment ability of ciliary muscles is trained, variable parallax is generated, and the lens adjustment sensitivity is enhanced. The light-emitting points are physical LED light or virtual dynamic sighting marks generated by running programs or instructions through computer equipment with a displayer, the positions of the light-emitting points do not need to be moved, the device does not need to be worn, and a user can use the device conveniently.

An intraocular lens (IOL) has a small, central lens suspended within a pliable housing and, when the housing is filled with liquid, is coaxially aligned with a second small lens embedded in the wall of the housing. The suspension is on a dome- or other-shaped webbing attached to an inner circumference of the wall. When filled with liquid, forces squeezing or pulling the equator of the housing, as with ciliary muscles in the eye, adjust a distance between the lenses in order to adjust focus. Optional haptics may project from points on or above and below the equator. A recess in the posterior hemisphere of the housing can keep cell growth away from an optical axis of the lens system. A third small lens can be embedded in an opposite wall of the housing and coaxially aligned with the other lenses to form a three-lens, ultra-zoom system.

The application discloses a transparent controlled zoom optical system with ciliary muscle induced regulation function, which is transparent and arranged on the light path between a human eye and an observation target object; the system comprises a control module for driving continuous longitudinal displacement of an optical focus; the system can be controlled to generate smooth and continuous change of diopter, so that the virtual image focus is generated to make smooth and continuous reciprocating displacement along the optical axis direction. The application does not rely on digital space modeling, directly generates continuous and smooth focus displacement on the longitudinal optical axis through controlled change of physical parameters of an optical medium, utilizes the passive and natural following characteristics of the human eye to the focus, stretches the ciliary muscle, intervenes in pseudo myopia and relieves visual fatigue.

The invention relates to the technical field of flip bat, and discloses a flip bat for ophthalmology ciliary muscle visual training, which comprises a mounting block, a handle arranged at the lower end of the mounting block, switching grooves symmetrically arranged on the mounting block, lens assemblies arranged in a storage groove, swinging rings arranged in the switching grooves, and switching parts symmetrically arranged in the mounting block, the switching component comprises a triggering component and a pushing and ejecting part, the triggering component is used for driving the pushing and ejecting part, so that air pressure in a pneumatic groove is introduced into a fixed cylinder, a guide plate drives a pushing and ejecting block to push and eject a lens assembly, and therefore a lens in a current swing ring is replaced; the lenses on the two swing rings at the moving position in the switching groove are different in type, the lenses of different types alternately stimulate the eyes of a user, the adjustment flexibility of the eyes of the user is improved, and the visual state of the eyes of the user can rapidly adapt to environmental changes.

The application discloses an optical lens for relieving visual fatigue, comprising a lens substrate, wherein the lens substrate comprises a functional composite filler, and an optical curved surface of the lens substrate is a bionic aspherical gradually-changing curved surface structure; the functional composite filler comprises selective light regulation material for realizing blue light and infrared dual-band regulation and control, and physiological comfort material for releasing negative ions and emitting far infrared rays. The application belongs to the technical field of optical lenses, and specifically relates to an optical lens for relieving visual fatigue in multiple dimensions, such as harmful light filtering, beneficial light reservation, eye microenvironment improvement, ciliary muscle regulation load reduction, etc. Meanwhile, a targeted preparation process is provided to solve problems such as functional filler agglomeration and low curved surface precision, and to improve the performance and wearing comfort of the optical lens for relieving visual fatigue and the preparation process thereof.

The invention discloses a jerusalem artichoke composition for relieving asthenopia and application thereof. Comprising 40-60 parts of jerusalem artichoke leaf and jerusalem artichoke peel mixed extract and 10-15 parts of inulin. The jerusalem artichoke leaf and jerusalem artichoke peel mixed extract is obtained by extracting functional components through enzymolysis, microwave and other processes. The invention further provides a product for relieving asthenopia. The product comprises 40-60 parts of jerusalem artichoke leaf and jerusalem artichoke peel mixed extract, 10-15 parts of inulin, 0.5-1 part of angelica sinensis powder, 0.2-0.6 part of safflower powder, 6-10 parts of Borojo powder and 6-10 parts of green plum powder. The jerusalem artichoke leaves and the jerusalem artichoke barks are used as raw materials and are combined with the inulin to be used as the composition for relieving asthenopia, and the composition is safe, free of toxic and side effects and capable of effectively maintaining the moist ocular surface, adjusting the contraction and relaxation capacity of ciliary muscles and adjusting intestinal flora; the asthenopia problems such as dry eyes, photophobia and aching pain can be effectively relieved.

Embodiments of the present invention disclose a method, system, electronic device, and storage medium for determining ocular tissue information. The method comprises: injecting prepared magnetic nanoparticles into the eye region and adjusting the eye region to the light beam exit position of a data acquisition system; the eye region includes the cornea, sclera, lens, ciliary muscle, and / or retina; applying a controllable voltage to an electromagnetic coil in an excitation system so that the electromagnetic coil generates a controllable magnetic field based on the controllable voltage to drive the magnetic nanoparticles in the eye region; and transmitting a laser beam based on a laser in the data acquisition system so that the laser beam enters the eye region from the light beam exit position, and receiving a reflected light beam fed back from the eye region to obtain target ocular tissue data; and analyzing and processing the target ocular tissue data to obtain mechanical characteristic parameters corresponding to the eye region. The present invention can improve the comfort of the subject being measured during the measurement process.

The invention relates to the technical field of medicinal chemistry, in particular to a 2-methyl-2-azabicyclo [3.2. 1] octane derivative which has a structure as shown in a general formula I or a general formula II or pharmaceutically acceptable salt, solvate, hydrate, isomer or prodrug of the 2-methyl-2-azabicyclo [3.2. 1] octane derivative, and a preparation method and application of the 2-methyl-2-azabicyclo [3.2. 1] octane derivative. As an acetylcholine receptor agonist, the compound shows high activity and high selectivity to M3 receptor subtypes. In-vitro experiments show that under the concentration of 40 mu M, the receptor excitation rate of the compound (such as 9a, 10a and the like) exceeds 95%, and is obviously superior to that of a positive control drug Aceclidine (48.65%). Due to the characteristic, the compound can generate a powerful pupil contraction pinhole effect by efficiently exciting an eye iris M3 receptor so as to improve near vision, and meanwhile, stimulation to ciliary muscles and related side effects are expected to be reduced due to high selectivity of the compound.