213 results about "Examining eye" patented technology

The invention provides a measuring method of a non-contact intraocular pressure instrument and the non-contact intraocular pressure instrument. The measuring method of the non-contact intraocular pressure instrument comprises the following steps: acquiring a first human eye image in the XY direction and a second human eye image in the Z direction of an examined eye; identifying the first human eye image according to a pupil identification method and a positioning light spot detection method to determine the pupil of the detected eye and the mass center of the pupil contour; identifying a cornea bright line of the second human eye image according to a cornea bright line detection method so as to determine a cornea vertex of the detected eye; performing XY-direction positioning adjustment based on the pupil and the center of mass of the pupil contour, and performing Z-direction positioning adjustment based on the cornea vertex and the calibration point in the Z direction; in response to the completion of the XY-direction positioning adjustment and the Z-direction positioning adjustment, blowing air to the examined eye to obtain a cornea deformation image shot by the high-speed camera sensor; and determining the intraocular pressure value of the examined eye based on the cornea thickness and the cornea curvature determined by the cornea deformation image and the pressure change curve of the blowing air cavity.

An apparatus and method for aiding in the detection of dementia, concussion, other neurologic conditions, retinal, and optic nerve conditions. The apparatus enables the diffusion coefficient of the tissue to be ascertained and studied by directing the light from a laser or other coherent light source at the patient's retina, optic nerve or choroid and measuring the fluctuations in the intensity of the back-scattered light caused by the movement of light scatterers in the tissue. By comparing the measurements to a normal database, or to the subject's previous measurement, in combination with an eye examination and OCT image / measurement the changes caused by the disease and the effectiveness of therapy can be ascertained. The disclosed apparatus allows the incident and detection optics to be attached to ophthalmic devices typically used in ophthalmologic care. Also, where both the incident laser fiber optic and the detection fiber optic are directly connected to goggles, one or more or all of the above-described mirrors may not be necessary, as both fiber optics are preferably directly directed into the eye.

The invention discloses a small vision detection device for eye examination, and particularly relates to the technical field of vision detection devices.The small vision detection device comprises a device bottom plate, a vision detection mechanism is arranged at the top of the device bottom plate and comprises a first moving plate, and the first moving plate is arranged at the top of the device bottom plate; the top of the first moving plate is fixedly connected with a moving mounting plate, and a display screen is mounted on the front side of the moving mounting plate. By arranging the vision detection mechanism and the adjusting mechanism, the comprehensiveness of vision detection is improved, the vision definition is detected, the type and degree of refractive errors such as myopia, hyperopia and astigmatism can be accurately diagnosed through a diopter test, whether a vision problem exists or not is determined, and the vision detection accuracy is improved. Meanwhile, some eye diseases possibly influencing vision can be indirectly found through intraocular pressure testing, retina injury and vision loss caused by too high intraocular pressure can be prevented by monitoring changes of the intraocular pressure, the examination effect is good, and vision detection is more comprehensive.

The invention relates to the technical field of medical auxiliary instruments, and discloses a medical supporting device special for ophthalmologic examination.The medical supporting device comprises an adjustable base, a lower jaw supporting seat, a side cheek clamping seat and an adjusting mechanism, the adjustable base comprises an adjustable bottom plate, and hollow grooves are formed in the head contact surfaces of the lower jaw supporting seat and the side cheek clamping seat; lower jaw supporting rollers are evenly and rotatably connected to the interior of a hollow groove in the lower jaw supporting seat, side cheek clamping rollers are evenly and rotatably connected to the interior of a hollow groove in the side cheek clamping seat, and cleaning and disinfecting parts are arranged outside the lower jaw supporting rollers and the side cheek clamping rollers. Every time the head of a patient is supported and fixed, the lower jaw supporting roller and the side cheek clamping roller making contact with the patient can be conventionally cleaned and disinfected autonomously, the middle base, the front plate and the back plate which form the structure can be manually disassembled for deep cleaning and disinfection, and the phenomenon of cross infection in the ophthalmic examination process is avoided.

The utility model discloses lighting equipment for ophthalmology examination, and relates to the technical field of lighting equipment for ophthalmology examination, the lighting equipment for ophthalmology examination comprises a supporting mechanism, the supporting mechanism comprises a U-shaped supporting plate, the inner wall of the U-shaped supporting plate is provided with a sliding groove, the outer wall of the U-shaped supporting plate is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the U-shaped supporting plate. A second U-shaped supporting plate is fixedly connected to the side, away from the U-shaped supporting plate, of the connecting plate, a dust removal mechanism is arranged on the outer wall of the U-shaped supporting plate, and the dust removal mechanism comprises an L-shaped supporting plate. The extrusion air bag can be extruded by the collision ball, and when the collision ball is extruded, internal air can be quickly sprayed to the slit lamp through the air spraying opening, so that dust falling into the slit lamp can be conveniently and timely cleaned, and the conditions that lamplight is not suitable for use or focusing due to dust accumulation and the like are reduced.

A system for eye examination is presented comprising a semi-autonomous system performing examination sessions of the eye, and a control system. The semi- autonomous system comprises: an illumination device including optical projector(s) operable to automatically project a sequence of illumination spots of certain shape on a plurality of locations across an eye region during the examination session; and imaging device(s) operable to acquire images of the eye being illuminated and generate image data in association with the plurality of locations. The control system is responsive to input data comprising preset data indicative of an examination task to define operational data for the semi-autonomous system defining operational parameters of the examination session. The control system operates the imaging device(s) synchronously with respective optical projector(s) thereby enabling to minimize image deterioration factor in said image data and minimize time of the eye exposure to the illumination during the examination session.

The invention discloses an eye examination device with a postoperative care eyelid supporting function, and belongs to the technical field of eye examination.The eye examination device comprises an eyeshade type frame, a tightening belt, a shell, an examination base, an examination module, an eyelid dilator and the like, stable wearing can be achieved through the tightening belt, the position of the examination module is adjusted through a micro electric push rod, and the eyelid dilator is arranged on the shell; an upper eyelid supporting piece and a lower eyelid supporting piece of the eyelid dilator achieve accurate dilation by means of the SMA driving dilator, a contact air bag on an arc-shaped silica gel supporting pad can adjust contact pressure through a pneumatic adjuster, a piezoelectric ceramic vibrator can assist in tear adjustment and muscle relieving, a liquid absorber can treat redundant tears, and the device integrates a control module and various detection modules and is convenient to use. The eye protection device can monitor the eye state in real time and trigger a protection mechanism, provides safe and comfortable support and nursing for postoperative patients while completing eye examination, and is suitable for ophthalmologic postoperative examination and rehabilitation assistance.

Systems, devices, and methods for detecting a visual indicator of an occluder for an eye examination are provided. In one example, a device may be used to administer an eye examination by detecting, via a camera of the device, a visual indicator located on an occluder while the occluder is covering at least a portion of a user's face. The device can configure a graphical user interface to display, at a display screen of the device, an eye examination administered to the user. The device can output, via the display screen, a result of the eye examination based on information encoded by the visual indicator. In some implementations, the detecting may include detecting an opaque surface of the occluder covering an eye of the user. In some implementations, the detecting may include detecting a lens of the occluder covering an eye of the user.

The invention provides a method, device, equipment and medium for importing ophthalmic examination data into an electronic medical record system, and the method comprises the steps: configuring communication parameters of a communication serial port according to the type of ophthalmic examination equipment; original examination data output by the ophthalmic examination equipment during printing are collected based on the configured communication serial port; analyzing the original examination data according to a preset analysis rule to obtain ophthalmic examination data; and displaying the ophthalmology examination data on a display screen and uploading the ophthalmology examination data to an electronic medical record system so as to solve the problems of low doctor seeing efficiency and difficulty in long-term monitoring caused by the fact that medical record and examination record of a patient cannot be electronized in the ophthalmology department.

The invention belongs to the technical field of ophthalmic examination supports, and particularly relates to a multi-degree-of-freedom quick-release adjusting support for an ophthalmic examination lens, and the multi-degree-of-freedom quick-release adjusting support comprises a tightening mechanism and a first spherical universal joint mounted at one end of the tightening mechanism, and one end of the first spherical universal joint is connected with a first joint cylinder; the other end of the first joint cylinder is connected with a mechanical main arm, the other end of the mechanical main arm is connected with a rotating cylinder, the spherical universal joint structural design is adopted, 360-degree multi-direction accurate adjustment of the lens support can be achieved, a doctor can flexibly control the position of a lens only through simple hand operation, rapid and accurate positioning is achieved, the operation is simple, and the working efficiency is improved. The support is convenient to operate and compact in structure, has a reliable locking function, can effectively guarantee the stability of the lens after being adjusted, can be rapidly matched with ophthalmic examination lenses of different specifications, and effectively improves the operation convenience and examination accuracy in the eye examination process.

The invention relates to the technical field of ophthalmology nursing early warning, and discloses an ophthalmology nursing risk early warning system and method based on artificial intelligence assistance. The system comprises a data acquisition module, a data preprocessing module, an artificial intelligence model training module, a risk early warning module and a medical care interaction module. The data acquisition module is used for acquiring multi-source information such as vital signs, eye examination, medication conditions and environment of a patient; the data preprocessing module performs cleaning, normalization and feature extraction on the acquired data; the artificial intelligence model training module uses the preprocessed data to train a nursing risk prediction model and assess performance; the risk early warning module analyzes the current state of the patient, generates a risk prediction result and triggers early warning according to levels; the medical care interaction module provides an interface and supports medical staff to inquire data, obtain decision suggestions and input feedback information so as to optimize the system. The system integrates multi-source data, realizes risk early warning through intelligent analysis, and assists the improvement of an ophthalmology nursing process.

The utility model discloses a semi-automatic adjusting type ophthalmology slit lamp which comprises a base, the top of the base is provided with a supporting unit, the supporting unit comprises a supporting rod, a lower jaw support, a sliding sleeve and a forehead support, the lower jaw support and the sliding sleeve are arranged on the supporting rod, and the forehead support is arranged on the sliding sleeve; the height adjusting unit is arranged on the base, the height adjusting unit is connected with the bottom of the lower jaw support, and the height adjusting unit can adjust the relative position of the lower jaw support on the supporting rod. The height of the lower jaw support, the height of the forehead support and the distance between the lower jaw support and the forehead support can be adjusted at the same time, flexibility is achieved, the device is suitable for patients under various conditions, and the eye examination difficulty is greatly lowered; besides, in the examination process, the face of the patient can be fixed, it is guaranteed that the positions of the eyes are stable in the examination process, and the examination effect of the eyes is greatly improved.

The utility model discloses a cotton ruler for positioning and measuring a mucous membrane surface. The cotton ruler comprises a cotton ruler head part and a cotton ruler holding part which are fixedly connected, the cotton ruler head part is of a cone structure with a cross section which is gradually increased from the head end to the bottom, the cotton ruler head part is made of memory foam, the bottom surface of the cotton ruler head part is polygonal or fan-shaped, the polygonal or fan-shaped bottom surface at least comprises a V-shaped measuring edge, and the measuring edge is provided with a V-shaped measuring surface. The conical surface of the cotton ruler head is provided with linear scales used for marking the length along the two sides of the V-shaped measuring side respectively. The cotton ruler is a ruler used for tissue measurement on fragile surfaces such as mucosa, when the cotton ruler is applied to measurement of fragile tissue of eyes, the cotton ruler has safety and comfort in use of the ocular surface, has the functions of positioning, pressing and tissue isolation and protection, and can adapt to and meet the measurement requirements in the ophthalmic examination and treatment process.

Clinical-quality eye examinations are provided at locations remote from the physician and outside of a clinical setting. A portable optical device and corresponding software are delivered to the patient's location. The portable optical device is configured for patient use in self-conducting an eye or vision exam and taking optical measurements. As a function of type of optical measurement data or health consideration of the patient, the corresponding software provides uploading and live streaming of the optical measurement data to the physician. The corresponding software is executed during the patient conducting the eye (vision) exam and enables the remotely located physician, to participate in the same via video conference. Alternatively, an artificial intelligence resource operating remotely or locally can provide physician-type guidance and eye health assessments. Alignment of device and patient eyes can be facilitated for remote exams.

A fundus imaging apparatus includes two or more curved mirrors, an illumination optical system, an image sensor, and a controller. The illumination optical system irradiates slit-shaped illumination light onto a fundus of an eye to be examined through the two or more curved mirrors, and illuminates the fundus while moving an illumination region. The image sensor is arrangeable at a fundus conjugate position substantially conjugate optically to the fundus, and receives returning light from the eye to be examined. The controller controls at least the illumination optical system. A longitudinal direction of an image formed by the illumination light on the fundus is approximately parallel to a plane including two or more focal points of the two or more curved mirrors. The controller controls the illumination optical system so that the image described above moves in a direction intersecting the longitudinal direction on the fundus.

An ophthalmic information processing apparatus includes an acquisition unit, a segmentation processor, and a display controller. The acquisition unit is configured to acquire an OCT image and one or more tomographic information images. The OCT image is a tomographic image of an eye to be examined. The one or more tomographic information images are generated using a method different from a method of generating the OCT image and represent tomographic information of the eye to be examined. The segmentation processor is configured to perform segmentation processing on the OCT image to identify a boundary of a layer region in a depth direction. The display controller is configured to display the OCT image, in which the boundary identified by the segmentation processor is distinguishably depicted, and the one or more tomographic information images on a display means.

1. The name of the product of this design: trial glasses frame. 2. Purpose of the product of this design: optometry equipment used for eye examination. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

The invention pertains to a capture device (1) comprising an infinity mirror (4) configured to create an infinity optical effect to a person (2) and a camera (3) for capturing an image of an eye (20) of the person. The invention further pertains to an ocular examination system for examining the eye and to an ocular recognition system for identifying a person based on visual inspection of the eye, the ocular examination system and the ocular recognition system comprising such a capture device. The invention further pertains to a humanoid robot comprising the examination system and / or the ocular recognition system, wherein at least one eyeball of the of the humanoid robot at least partially comprises the capture device.

This invention provides a subjective optometry information processing program and a subjective optometry system that allow users to appropriately understand the usage status of subjective optometry devices. [Solution] A subjective eye examination information processing program is executed by an information processing device that processes information related to a subjective eye examination device, wherein the subjective eye examination information processing program is executed by the control unit of the information processing device, causing the information processing device to execute: an eye examination information acquisition step of acquiring eye examination information indicating at least one of the content of the eye examination and the time of the eye examination by the subjective eye examination device; a status information generation step of generating status information indicating the usage status of the subjective eye examination device by processing the acquired eye examination information; and an output step of outputting the status information.

Optical coherence tomograph for examining an eye (3) which features: - a lighting device (4, 5) for providing source radiation, - an illumination and measurement beam path (7) comprising a splitting element (6) for splitting the source radiation into illumination radiation (B) and reference radiation (R), with the illumination radiation (B) illuminating an illumination field in the eye (3) and collecting backscattered illumination radiation in the eye (3) as measurement radiation (M), wherein the illumination and measurement beam path (7) comprises a scanner (13) for adjusting the lateral position of the illumination field in the eye (3) and a front optic (12), - a reference beam path (8) which provides for the reference radiation (R) an optical path length (21) corresponding to an optical path length from the splitting element (6) to the illumination field and back to a superposition point (71), - a detection beam path (14, 15, 17) which receives the measuring radiation (M) from the illumination and measuring beam path (7) and the reference radiation (R) from the reference beam path (8) and superimposes them at the superposition point (71) and directs them onto a detector (19), - the illumination and measuring beam path (7) further exhibits - a beam splitter (11) for separating the measuring radiation (M) collected by the eye (3) from the illumination radiation (B) directed to the eye (3), wherein the beam splitter (11) directs the separated measuring radiation (M) to the detection beam path (14, 15, 17), and - a light splitting element (32, 34) that splits the illumination radiation (B) into spots in order to illuminate the retina (2) with a multi-spot pattern, characterized in that - the lighting device (4, 5) is tunable with respect to the wavelength of the source radiation, - the detector is an area detector (19), - the detection beam path further - an optical element (14) acting only on the measuring radiation (M), which interacts with the front optics (12) and adjusts the numerical aperture with which measuring radiation (M) is collected in the eye (3), and - an aperture (15) which is arranged in front of the area detector (19), in or near an intermediate image plane and which defines the size of an object field from which the measuring radiation (M) reaches the area detector (19), and - wherein the aperture prior to the area detector is designed as a first multi-hole aperture (15) and a first multi-lens array (36) is arranged between this multi-hole aperture and the area detector (19), which focuses the radiation emanating from each hole of the first multi-hole aperture (15, 15a, 15b) onto a pixel area of ​​the area detector (19) which has a spatial resolution of 4 to 100 pixels in one direction, preferably as a 2D pixel area with 5 to 50 pixels or 5 to 40 pixels per direction.

To provide a fixation target for guiding the direction of a subject eye with a simple constitution.SOLUTION: An ophthalmologic apparatus includes an imaging part (14) containing an optical scanner for irradiating a subject eye with imaging light, a fixation part (29) including a fixation light scanner for projecting a fixation target onto the subject eye via the optical scanner, and a control part (16) for driving the optical scanner and the fixation light scanner so that the fixation target is continuously projected to a first position of the subject eye, and that a first area of the subject eye is scanned with imaging light.SELECTED DRAWING: Figure 2

To provide an ophthalmic imaging device that improves examination efficiency.SOLUTION: An ophthalmic imaging device includes control means that displays multiple examination selection buttons corresponding to a preset examination pattern on a selection screen, shifts the display to a second screen after receiving a selection operation on any examination selection button, and executes the examination after going through the display of the second screen. Identification information indicating the type of scan pattern is arranged on the examination selection buttons. Two or more types of identification information corresponding to the two or more scan patterns are arranged on at least one examination selection button. When the examination selection button on which the two or more types of identification information are arranged is selected and the examination is started, the control means scans the subject eye in each scan pattern corresponding to the two or more types of identification information and sequentially acquires OCT data of the subject eye corresponding to each scan pattern.SELECTED DRAWING: Figure 4

The invention relates to the technical field of eye examination, in particular to an eye examination auxiliary device which comprises supporting legs, a supporting frame is fixedly mounted at the top ends of the supporting legs, a supporting table is fixedly mounted at the top end of the supporting frame, an optometry unit body is arranged at the top end of the supporting table, and handrails are symmetrically and fixedly mounted on the side wall of the supporting table. By controlling the rotating direction of the motor, the height of the bottom support can be automatically adjusted, a to-be-inspected person can align two eyes to the optometry window conveniently, the adjusting mode is simple, compared with manual adjustment, the operation time can be saved, the adjusting efficiency can be improved, meanwhile, the worm gear and the worm can be lubricated, abrasion between the worm gear and the worm can be reduced, and the working efficiency is improved. The installation and disassembly mode of the optical lens fixed through cooperation of the spring and the clamping piece is simple, the optical lens on the installation frame can be conveniently taken down to be cleaned, use of the optical lens can be guaranteed, and the situation that the optical lens is dirty and influences the optometry effect is avoided.

The invention belongs to the technical field of medical examination instruments, particularly relates to an optical coherence elastic imaging device combined with an ophthalmologic operation microscope, and aims to overcome the defects that the used microscope cannot be adjusted and is difficult to match with eyes of a patient when glasses of the patient are examined in the prior art. Four limiting frames are symmetrically and fixedly installed at the top of the base, sliding holes are formed in the inner walls of one sides of the limiting frames, and moving rods are slidably connected into the limiting frames. The eye examination device is simple in structure and convenient to use, can be matched with the habitual position of a patient, and can shoot the eyes of the patient through the two arranged electron microscope tubes when the eyes of the patient are examined, so that the eyes of the patient can be conveniently examined.

A scanning laser ophthalmoscope capable of obtaining visible light images and fluorescent images of the ocular fundus includes a visible light source; an infrared light source; a scanner configured to irradiate measurement lights onto a desired location on the ocular fundus of an eye to be examined in sequence; a beam splitter configured to separate the paths of the measurement lights and the reflected light; and a light detection unit for detecting the reflected light. The light detection unit includes a red light separation mirror; a red light detection unit; a green light separation mirror; a green light detection unit; a variable filter; and a blue light and fluorescence detection unit.

This invention provides an ophthalmic optical device that eliminates the need to place a separate lens attachment between the objective lens and the eye under examination by changing the working distance between the objective lens and the eye under examination when observing the posterior segment and when observing the anterior segment. [Solution] In the ophthalmic optical device, when photographing the posterior segment of the eye under examination, a position conjugate to the vertical scanning unit is formed in the anterior segment of the eye under examination, and the scanning beam from the vertical scanning unit is focused on the posterior segment of the eye under examination. When photographing the anterior segment of the eye under examination, the working distance, which is the distance between the eye under examination and the objective lens, is greater than the working distance when photographing the posterior segment, and the scanning beam from the vertical scanning unit is focused on the anterior segment of the eye under examination. The scanning direction of the scanning beam by the vertical scanning unit is the same when photographing the posterior segment and when photographing the anterior segment.

This invention provides a subjective optometry information processing program and a subjective optometry system that allow users to appropriately understand the usage status of subjective optometry devices. [Solution] A subjective eye examination information processing program is executed on an information processing device that processes information related to a subjective eye examination device, wherein the subjective eye examination device can perform either a self-eye examination mode in which the subjective eye examination is automatically carried out based on the answers entered by the subject, or a manual eye examination mode in which the examiner carries out the subjective eye examination according to the answers of the subject, and when the subjective eye examination information processing program is executed, the information processing device is made to perform an eye examination information acquisition step in which eye examination information in either the self-eye examination mode or the manual eye examination mode is acquired, a status information generation step in which status information indicating the usage status of the subjective eye examination device for each eye examination mode is generated by processing the acquired eye examination information, and an output step in which the status information is output.

This invention provides an optical coherence tomography (OCT) apparatus and a computer program for displaying tomographic images. The OCT apparatus is a polarization-sensitive type. It includes an imaging unit and a display unit, wherein the imaging unit captures tomographic images of the examined eye; and the display unit displays the tomographic images captured by the imaging unit. The tomographic images include at least two of the following: an image representing the tissue within the examined eye using scattering intensity; an image representing the distribution of melanin within the examined eye; an image representing the fiber density within the examined eye; an image representing the direction of fiber travel within the examined eye; and an image representing blood flow within the examined eye. The display unit superimposes at least two images from the same location on the same cross-section. Therefore, the state of the examined eye can be readily and comprehensively assessed.