A retinal imaging system is provided. The system comprises: a fundus camera having a focusing mechanism; an imaging module configured for imaging user's face and eyes and providing image date indicative of a relative orientation between an optical axis of the fundus camera and a line of sight of user's eye at user's eye target position; a position and alignment system configured and operable to utilize the image data indicative of said relative orientation for positioning the fundus camera at an operative position such that the optical axis substantially coincides with the line of sight of user's eye, to enable focusing the fundus camera on the retina; a sensing system comprising one or more sensors, configured and operable for monitoring a user's face position with respect to a predetermined registration position and generating corresponding sensing data; and a safety controller configured and operable to be responsive to the sensing data, and upon identifying that the user's face position with respect to the predetermined registration position

An ophthalmic portable laser slit lamp for ophthalmic examination and a method of eye inspection. The device comprises a portable housing containing an electronic timer circuit, a rechargeable battery, a laser module containing a laser emitting diode, a fixed focusing lens that sets the appropriate focal distance for the examination method and a line generator lens acting as a slit aperture. The laser beam aimed to the eye of the patient illuminates the eye with a very thin straight laser line at a fixed focal distance. The device also comprises a safety timer circuit that protects the patients eye against irradiation overload. The method of the invention allows the surgeon to detect surgical eye disorders at the operating room and helps to carry out a correct diagnosis in a much more precise and effective way than any light or laser spot device.

Systems and methods for vision test and uses thereof are disclosed. A method may be implemented on a mobile device having at least a processor, a camera and a display screen. The method may include capturing at least one image of a user using the camera of the mobile device; interactively guiding the user to a predetermined distance from the display screen of the mobile device based on the at least one image; presenting material on the display screen upon a determination that the user is at the predetermined distance from the display screen; and receiving input from the user in response to the material presented on the display screen. The material presented on the display screen may be for assessing at least one characteristic of the user's vision. Mobile devices and non-transitory machine-readable mediums having machine-executable instructions embodied thereon for assessing a user's vision also are disclosed.

A processor of an ophthalmologic image processing device acquires an ophthalmologic image photographed by an ophthalmologic image photographing device. The processor inputs the ophthalmologic image into a mathematical model trained by a machine learning algorithm to acquire a result of an analysis relating to at least one of a specific disease and a specific structure of a subject eye. The processor acquires information of a distribution of weight relating to an analysis by a mathematical model, as supplemental distribution information, for which an image area of the ophthalmologic image input into the mathematical model is set as a variable. The processor sets a part of the image area of the ophthalmologic image, as an attention area, based on the supplemental distribution information. The processor acquires an image of a tissue including the attention area among a tissue of the subject eye and displays the image on a display unit.

Systems and methods are disclosed for evaluating human eye tracking. One method includes receiving data representing the location of and/or information tracked by an individual's eye or eyes before, during, or after the individual performs a task; identifying a temporal phase or a biomechanical phase of the task performed by the individual; identifying a visual cue in the identified temporal phase or biomechanical phase; and scoring the tracking of the individual's eye or eyes by comparing the data to the visual cue.

Systems and methods according to present principles use touchscreen-based devices such as tablet computers or other computers incorporating touchscreens to both run the test and to receive input/output. It will be understood that any such device may be employed, so long as a display, means for user input, and means for eye tracking, are provided, and so long as its display screen is large enough to effectively test visual field.

Ocular photosensitivity analyzer. In an embodiment, a programmable light source, comprising a plurality of multi-spectra light modules, is configured to emit light according to a lighting condition. For one or a plurality of iterations, the programmable light source is activated to emit the light according to the lighting condition, and collect a response, by a subject, to the emitted light via a sensing system comprising one or more sensors. Between iterations, the programmable light source may be reconfigured based on the response to determine a visual photosensitivity threshold of the subject.

Disclosed in the present invention is a head-mounted electronic vision aid device and a visual distortion correction method thereof. A display unit is configured to movably display a grid/grid group, a user input unit is configured to select at least one to-be-corrected part in the grid/grid group according to the real-time image feedback information viewed by a user, when the to-be-corrected part is selected, the user input unit sends a correction control signal for performing image correction on the to-be-corrected part in a coordinate system where the grid/grid group is currently located to a processing unit, the processing unit performs calculation processing on the correction control signal to obtain variations of the to-be-corrected part before and after correction in the coordinate system, a storage unit stores plurality of combinations of the variations of the to-be-corrected part, and a display unit can display an image after visual distortion correction according to the plurality of combinations of the variations stored in the storage unit. Compared with the prior art, visual distortion correction can be achieved quickly and intuitively, and the demands of low-vision users with different symptom progresses are met.

An apparatus and method for determining at least one visual refraction feature of a subject by showing a visual stimulus to the subject. The apparatus includes an optical system arranged on an optical path between an eye of the subject and the visual stimulus, the optical system being adapted to provide an optical power that is continuously variable as a function of time (t), a control unit for driving the optical power of the optical system and an input device adapted for recording a response of the subject relative to a sharpness of the visual stimulus seen through the optical system, the control unit being adapted to adjust a speed of variation of the optical power (S) as a function of the response recorded.

The present disclosure relates to a clinical workflow, method, system and apparatus for performing an remote ocular health examination of a patient using medical equipment adapted to apparatus and emulating software and remote administration tool technology application. According to various embodiments portable medical equipment kit (OEK) can be assembled anywhere in the world connected to a computer. The MCB will have proprietary software to provide indirect to direct connection via layers. In an example embodiment, a method includes instructing a patient to position their eyes onto a camera where the image of the eyes are viewed on computer software. Where an on demand doctor can control the software that controls the cameras and review real time or near realtime the ocular images or videos via a indirect to direct connection to the main control base via a remote administration tool technology and emulating software using an internet connection.