Abstract: Provided is an ophthalmic apparatus for examining an examinee's eye, including: an examination device configured to examine the examinee's eye; an approacher in the examination device, configured to approach the examinee; a detector configured to detect approach of the approacher to the examinee; and a controller configured to switch an operation mode between a first mode where an avoidance operation for avoiding the approach is performed and a second mode where the avoidance operation is not performed, upon the detector detecting the approach.

Abstract: The present invention is a lighting device attached to the front of a camera device, such as a smartphone, and connected to the camera device to produce an appropriate lighting environment for the acquisition of good quality animal nose pattern images by taking into consideration such factors and ambient lighting as well as the color of the nose.

Abstract: In an ophthalmic system of some embodiments, ophthalmic imaging apparatuses include slit lamp microscopes, and information processing system is connected to each ophthalmic imaging apparatus via a communication path. Each ophthalmic imaging apparatus is configured to acquire a three dimensional image by photographing a subject's eye, and transmit the three dimensional image to the information processing system. The information processing system is configured to receive the three dimensional image, store three dimensional images received, perform machine learning and/or data mining based on the three dimensional images, store knowledge acquired by the machine learning and/or data mining, and generate diagnosis support information by performing inference based on a three dimensional image of a subject's eye transmitted from one of the slit lamp microscopes knowledge stored in the knowledge storage.

Abstract: A line-of-sight measurement device includes: an imaging unit that images a face of a subject; a light illumination unit that illuminates light to an eye of the subject; a camera coordinate system eyeball center coordinate calculation unit that estimates coordinates of an eyeball center, from a face image imaged by the imaging unit; a pupil center calculation unit that estimates coordinates of an apparent pupil center, from a pupil center position on the face image; an eyeball position orientation estimation unit that calculates an optical axis vector toward the pupil center from the eyeball center on the basis of the coordinates of the eyeball center and the apparent pupil center; a corneal reflection image calculation unit that obtains coordinates of a corneal reflection image on the basis of the coordinates of the eyeball center, the optical axis vector, and a predetermined eyeball model; and an image coordinate calculation unit that estimates image coordinates of a corneal reflection image on the face imag

Abstract: Exemplary light control devices and methods provide a regional variation of visual information and sampling (“V-VIS”) of an ocular field of view that improves or stabilizes vision, ameliorates a visual symptom, reduces the rate of vision loss, or reduces the progression of an ophthalmic or neurologic condition, disease, injury or disorder. The V-VIS devices and methods generate a moving aperture effect anterior to a retina that samples and delivers to the retina environmental light from an ocular field of view at a sampling rate between 50 hertz and 50 kilohertz. Certain of these V-VIS devices and methods may be combined with augmented or virtual reality, vision measurement, vision monitoring, or other therapies including, but not limited to, pharmacological, gene, retinal replacement and stem cell therapies.

Abstract: Disclosed herein are devices and methods for generating stereoscopic views of the eye (or any desired anatomic structure) using a dual-camera portable computing device. The locations of the two cameras are fixed, and the camera lenses may have different focal lengths. For example, the focal length of the second camera lens may be longer than the focal length of the first camera lens. One variation of a detachable imaging system comprises an objective lens and a relay lens that are disposed over the two cameras. The relay lens may be disposed over the first and second cameras, and have a focal length that is greater than the focal length of the first camera lens and less than or equal to the focal length of the second camera lens.

Abstract: Exemplary light control devices and methods provide a regional variation of visual information and sampling (“V-VIS”) of an ocular field of view that improves or stabilizes vision, ameliorates a visual symptom, reduces the rate of vision loss, or reduces the progression of an ophthalmic or neurologic condition, disease, injury or disorder. The V-VIS devices and methods generate a moving aperture effect anterior to a retina that samples and delivers to the retina environmental light from an ocular field of view at a sampling rate between 50 hertz and 50 kilohertz. Certain of these V-VIS devices and methods may be combined with augmented or virtual reality, vision measurement, vision monitoring, or other therapies including, but not limited to, pharmacological, gene, retinal replacement and stem cell therapies.

Abstract: An image processing method, which is executed by a processor, comprises acquiring choroid information from an image of a fundus of an examined eye, and comparing the choroid information against a choroid normative database and determining whether or not there is an abnormality in the fundus.

Abstract: The present disclosure provides a system and method for maintaining the position of a suction cone on an eye during laser ophthalmic surgery that includes determining a distance and direction the suction cone or a support must be adjusted to maintain the position of the suction cone within an optimal working range, based on a detected position of the suction cone. The disclosure further provides a method for maintaining the position of a suction cone by determining a distance and direction the suction cone or a support must be adjusted to maintain the position of the suction cone within an optimal working range, based on a detected position of the suction cone. In the system and the method, a control signal is generated to adjust the position of the suction cone and/or the support to maintain the suction cone within the optimal working range.

Abstract: An eye measuring apparatus includes a stimulator including multiple stimulator light points for projecting a plurality of light rays onto a surface of the cornea of an eye; a camera system for capturing reflected images of the stimulator light points; and a computational unit arranged to analyse the posterior surface of the cornea and/or to obtain a characteristic of the eye on the basis of the reflected images. The control unit is arranged to activate subsequently different subsets of the multiple stimulator light points; and to carry out the following steps: selecting, for each of the different subsets of the multiple stimulator light points, at least one reflected image that corresponds with activation of the respective subset of the multiple stimulator light points, and combining the selected reflected images with each other to analyse the posterior surface of the cornea and/or to obtain the characteristic of the eye.

Abstract: An image processing device processes an image of a subject eye. The image processing device includes an image acquisition unit that acquires an image of the subject eye, a diagnosis unit that obtains a diagnosis result of the subject eye based on the image acquired by the image acquisition unit, and a display control unit that changes a display mode of a display unit based on the diagnosis result.

Abstract: Measuring fluorescence within a zone on a surface of biological tissue uses a probe that comprises first and second sensors that are constituents of corresponding first and second optical systems and that are fixed relative to each other. The first sensor is configured to detect fluorescent light emitted at said surface and the second sensor detects visible light. The measurement includes projecting a mark onto the zone, and, based on a position of an image of the mark on the second sensor, localizing and locating fluorescence detected by the first sensor in an image of the zone. The image is produced in visible light. The mark is a light mark that is detectable by said second sensor.

Abstract: An ophthalmologic apparatus includes a data acquisition unit, a movement mechanism, an image acquisition unit, an analyzer, and a controller. The data acquisition unit is configured to optically acquire data of a fundus of a subject's eye. The movement mechanism is configured to change relative position between the subject's eye and the data acquisition unit. The image acquisition unit is configured to acquire an image of the fundus. The analyzer is configured to specify at least one of a relative movement direction and relative movement amount of the data acquisition unit with respect to the subject's eye based on a flare region in the image and a reference position in the image. The controller is configured to control the movement mechanism based on the at least one of the relative movement direction and the relative movement amount.

Abstract: Performance of enhanced visually directed procedures under low ambient lighting conditions. An imaging system includes a first high resolution photosensor configured to acquire at least one first real-time high resolution video signal representing at least one view of the eye in at least one wavelength of light outside of the wavelengths of visible light. A second high resolution photosensor is configured to acquire at least one second real-time high resolution video signal representing the at least one view of the eye inside of the wavelengths of visible light. A control unit is configured to acquire the at least one first real-time high resolution video signal and the at least one second real-time high resolution video signal after the light conditions are low enough such that a pupil of the eye does not constrict substantially from its maximum pupillary diameter, via the first and the second high resolution photosensor, respectively.

Abstract: An ophthalmic device comprising a light source to emit fixation target light, and a reflecting face to reflect scanning light emitted by an emission section and scan the scanning light in a specific direction by changing orientation, the emission section being a scanning light source different to the light source. A concave mirror face is disposed so scanning light reflected by the reflecting face is incident on a subject's eye ocular fundus when the eye is at the concave mirror's focal point, and is arranged such that, when the eye is at the concave mirror's focal point, and when the light source emits fixation target light, that light and scanning light are simultaneously incident on the ocular fundus via different optical paths propagating via the concave mirror face and focal point, the target fixation light following a predetermined optical path for fixing the subject's eye gaze.

Abstract: An ophthalmological device according to one aspect of the present disclosure includes a support structure, an illumination light source, an observation optical system, and a controller. The support structure is configured to support a subject's face. The illumination light source is configured to illuminate a subject's eye. The observation optical system includes an imaging element configured to receive light reflecting off the subject's eye. The controller is configured to acquire, from the imaging element, a first image captured when the illumination light source is on and a second image captured when the illumination light source is off and determine whether the subject's face is placed on the support structure based on a difference between the first image and the second image.

Abstract: A fundus imaging apparatus acquires a fundus image based on a signal from a light receiving element that receives fundus reflection light of illumination light with which a fundus of a subject eye is irradiated through an objective lens. The fundus imaging apparatus includes an information acquisition unit that acquires information relating to a refractive power of a subject eye, and a process that executes an artifact suppressing process for suppressing occurrence of an artifact due to reflection of the illumination light at the objective lens. The processor switches an imaging mode based on the refractive power between an invalid mode in which the artifact suppressing process is not executed and a valid mode in which the artifact suppressing process is executed.

Abstract: A method including determining a maximum luminance location of a display based on a field of view of an eye of a user of the display, and driving a plurality of light sources in the display based on locations of the plurality of light sources with respect to the maximum luminance location of the display. The plurality of light sources is controlled to have different luminance levels in different display zones corresponding to different zones on the retina of the eye of the user. In some examples, the display zones of the display system that have higher luminance levels can be dynamically changed based on the field of view or the gaze direction of the eye of the user.

Abstract: An ophthalmologic apparatus includes a data acquisition unit, a movement mechanism, an image acquisition unit, an analyzer, and a controller. The data acquisition unit includes an optical system for optically acquiring data of a fundus of a subject's eye. The movement mechanism is configured to change relative position between the subject's eye and the data acquisition unit. The image acquisition unit is configured to acquire an image of the fundus. The analyzer is configured to specify a relative movement direction and relative movement amount of the data acquisition unit with respect to the subject's eye based on a flare region formed all around a fundus region in the image. The controller is configured to control the movement mechanism based on the relative movement direction and the relative movement amount to change relative position between the subject's eye and the data acquisition unit in an optical axis direction of the optical system.

Abstract: A technical object is to provide an ophthalmic apparatus and an ophthalmic apparatus control program that are capable of appropriately performing alignment in a wide range.

Abstract: An OCT apparatus includes an OCT optical system that splits light from an OCT light source into a measurement optical path and a reference optical path and detects a spectral interference signal between measurement light and reference light, an image processor that processes the spectral interference signal to acquire OCT data of an examinee's eye, an optical scanner that deflects the measurement light and performs scanning on tissue of the examinee's eye, and a light guiding optical system that includes an objective optical system curving a concentrating plane such that the concentrating plane has a convex shape toward a side of a fundus, and forms the concentrating plane of the measurement light in an anterior chamber.

Abstract: A portable retinal imaging device for imaging the fundus of the eye. The device includes an ocular imaging device containing ocular lensing and filters, a fixation display, and a light source, and is configured for coupling to a mobile device containing a camera, display, and application programming for controlling retinal imaging. The light source is configured for generating a sustained low intensity light (e.g., IR wavelength) during preview, followed by a light flash during image capture. The ocular imaging device works in concert with application programming on the mobile device to control subject gaze through using a fixation target when capturing retinal imaging on the mobile device, which are then stitched together using imaging processing into an image having a larger field of view.

Abstract: A goggle type display device with a goggle-shaped frame and a display mounted on said frame includes: an image-capturing unit disposed inside of the frame; and an eye gaze position estimator that estimates an eye gaze position on the basis of images of an eye and a ridge of a nose included in a facial image captured by said image-capturing unit.

Abstract: The invention provides a method of noninvasively treating a condition associated with reduced integrity or increased permeability of an epithelial layer by a series of magnetic pulses having a magnitude of up to 3 T, wherein the magnetic pulses are designed to induce an electric field having a magnitude of up to 250 Volt per meter adjacent to a target treatment area, the condition particularly being ocular condition associated with reduced barrier function of the cornea. The invention provides a device for effecting the tissue treatment, creating series of pulses exhibiting a rate of change of more than 200 T/s in the absolute value.

Abstract: The present disclosure relates to an optical coherence tomography (OCT) including: an OCT device, an OCT calculation method, and an OCT calculation program, enabling correlation between images to be easily performed; more specifically it relates to a case where a functional OCT image such as a motion contrast is acquired by using the OCT; acquiring the functional OCT image through a calculation process of an OCT signal is a time-consuming process, for this reason, a long time elapses until the point that a functional OCT image can be observed after OCT imaging is completed, and thus this causes stress to a subject and an examiner; the present disclosure provides an OCT device, an OCT calculation method, and an OCT calculation program, enabling a functional OCT image to be rapidly acquired and enables an examiner to easily perform diagnosis.

Abstract: System and method for providing diagnostic, imaging procedures and surgical laser treatments generating patterns of laser light on target tissue of a patient. The system includes aiming and treatment light beams originating from the same visible laser emitting diode, a scanner for generating patterns of points of light of the generated light, a controller, and a user interface that allows the user to select one of several possible point of light patterns, adjusts the point of light intensity and/or duration.

Abstract: Ophthalmic imaging devices and related methods employ self-alignment of a user with an optical axis of the imaging device. An ophthalmic imaging device includes an imaging assembly having an optical axis, a housing assembly, and a viewer assembly. The housing assembly is configured to rest on a horizontal surface during operation of the imaging assembly. The optical axis is oriented at an angle from 45 degrees to 85 degrees from the horizontal surface. The viewer assembly includes an interface surface shaped to engage a user's head to stabilize a position and an orientation of the user's head relative to the optical axis. The viewer assembly accommodates different positions and/or orientations of the user's head relative to the optical axis so as to enable alignment, by the user, of one of the user's eyes with the optical axis.

Abstract: A method, computer system, and computer program product for real-time pediatric eye health monitoring and assessment are provided. The embodiment may include receiving a plurality of real-time data related to an individual's eye health from a user device. The embodiment may also include assessing biometric indications relating to eye health based on the plurality of real-time data. The embodiment may further include generating a report on the assessed biometric indications. The embodiment may also include collecting clinical information from one or more databases. The embodiment may further include determining whether the assessed biometric indications reach pre-configured threshold conditions. The embodiment may also include generating alerts and recommendations based on analysis of the collected clinical information and the assessed biometric indications based on the assessed biometric indications satisfying the pre-configured threshold conditions.

Abstract: The technology described herein is directed to a fundus camera and, more specifically, to a fundus camera having a display that projects active visual alignment stimuli onto an eye of an examinee via one or more components of an optimal assembly. The active visual alignment stimuli are dynamically adjusted to guide an examinee toward optical alignment for fundus imaging.

Abstract: According to some embodiments, a system and method of determining visual acuity is disclosed. The system and method of determining visual acuity comprises initiating a visual acuity test on a first computing device, linking a program on a second computing device with the visual acuity test on the first computing device, determining a distance from the first computing device using the second computing device, and transmitting answers to the visual acuity test using the second computing device wherein the questions associated with the visual acuity test are displayed on the first computing device.

Abstract: Diagnostic tool for eye disease detection using a smartphone. At least some of the example embodiments are methods including capturing, by way of a camera lens on a device, an image of an eye to create a raw specimen; processing the raw specimen to create a processes specimen; performing edge detection on the processed specimen to detect a boundary of a cornea; extracting a region of interest of the cornea; identifying a boundary of the region of interest using a boundary tracing technique to identify a second boundary; analyzing the second boundary of the region of interest, by measuring a slope of the second boundary; and classifying the region of interest as including an eye disease, based on the analyzing the second boundary.

Abstract: This disclosure provides a pupil localization method, a device, an apparatus and a storage medium. The method comprises: preprocessing a pupil image; generating a first projection curve and a second projection curve on horizontal and vertical axes of two-dimensional coordinate axes respectively according to the preprocessed image; determining a first pair of dividing points and a second pair of dividing points on the first projection curve and the second projection curve respectively according to a pre-configured threshold; and determining center coordinates of the pupil according to the first pair of dividing points and the second pair of dividing points. This disclosure obtains projection curves through a simple operation of the preprocessed image on the two-dimensional coordinate axes, and then intercepts the dividing point on the projection curves according to the preconfigured threshold to determine the center coordinates of the pupil.

Abstract: The present invention provides an ophthalmic device capable of minimizing the generation of flare at a lower cost and in a shorter time than in the prior arts when photographing in a state where an optical axis of an examination optical system is deviated from a reference position of a subject eye.

Abstract: Provided is an information processing apparatus including: a first acquisition unit configured to acquire a plurality of pieces of tomographic data based on measurement light controlled to scan the same position of a fundus; a second acquisition unit configured to acquire a correction coefficient by performing an arithmetic operation on a first approximate parameter obtained by transforming, in a first dimension, a parameter of the tomographic data to be used for calculating a motion contrast, and a second approximate parameter obtained by transforming the parameter in a second dimension smaller than the first dimension; a correction unit configured to correct a parameter of at least one piece of tomographic data through use of the correction coefficient; and a generation unit configured to generate a motion contrast image through use of the at least one piece of tomographic data corrected by the correction unit.

Abstract: A method, system and computer readable medium for determining a strabismus angle of the eyes of an individual by: positioning the individual with his or her eyes in front of an eye tracker device and in front of a screen at a viewing distance; displaying a small image element on the screen; measuring a position and line of sight of the eyes of the individual with the eye tracker device while the individual is focussing on the small image element; forwarding the measured position and line of sight of the eyes from the eye tracker device to a computer system; and, calculating the strabismus angle between the eyes by calculating the difference in line of sight of the left and right eyes of the individual.

Abstract: An ophthalmological device according to the embodiments comprises an objective lens, a subjective inspection optical system, and an interference optical system. The subjective inspection optical system includes an optical element capable of correcting aberration of a subject's eye and projects a visual target onto the subject's eye via the objective lens and the optical element. The interference optical system splits light from a light source into reference light and measurement light, projects the measurement light onto the subject's eye via the objective lens and the optical element, generates interference light between returning light of the measurement light and the reference light, and detects the generated interference light.

Abstract: An ophthalmic apparatus includes: an imaging optical system that includes a light projecting optical system for projecting light to an ACA region of a subject's eye, and a light receiving optical system including a light receiving element for receiving reflected light from the ACA region; an alignment driver configured to change a positional relationship between the subject's eye and the imaging optical system; an imaging processor configured to generate an ACA image based on a signal output from the light receiving element; and a controller configured to detect a feature point in an ACA of the subject's eye from the ACA image, and that adjust the positional relationship in accordance with a position of the feature point in the ACA image.

Abstract: A system for improving a patient's vision, comprising means for diagnosing and monitoring a deterioration in macular vision or macular vision loss in the patient's eye, and means for augmenting the use of a preferred retinal location (PRL) and eccentric fixation in case the deterioration in macular vision or macular vision loss was detected. A method for improving a patient's vision, comprising: diagnosing and monitoring a deterioration in macular vision or macular vision loss in the patient's eye; and augmenting the use of a preferred retinal location (PRL) and eccentric fixation in case the deterioration in macular vision or macular vision loss was detected.

Abstract: A gaze detection apparatus includes a light source configured to irradiate an eyeball of a subject with detection light, a position detection unit configured to detect positions of pupil centers indicating centers of pupils of right and left respective eyeballs and positions of corneal reflection centers indicating centers of corneal reflexes of the right and left respective eyeballs from an image of the eyeball irradiated with the detection light, a curvature radius calculation unit configured to calculate corneal curvature radii of the right and left respective eyeballs from a position of the light source and the positions of the corneal reflection centers, a gaze detection unit configured to detect gaze directions of the right and left respective eyeballs from the positions of the pupil centers and the corneal curvature radii, a viewpoint detection unit, an output control unit, and a determination unit.

Abstract: Examples of devices and method for quantifying opacities in an eye are shown. Examples include analysis of still images or video images. In one example a cross section area of opacities within a visual axis are quantified. Opacities in the vitreous of an eye, such as “floaters” can vary in severity from little or no reduction in vision, to bothersome, to high reduction in visual function. It is desirable to be able to quantify a level of severity of visual obstruction within a patient's eye and proceed with a level of treatment to match the condition.

Abstract: A component for a mobile computer device, such as a smartphone, can be secured to the housing of the mobile computer device. The component can deflect the light of a built-in light source of the mobile computer device with an optical element and optionally filter the same, or can provide its own light source to improve the option of measuring eccentric photorefraction using the mobile computer device.

Abstract: Performance of enhanced visually directed procedures under low ambient lighting conditions. A computer readable medium storing a set of computer instructions for performing an enhanced visually directed procedure under low ambient visible light on a patient's eye. The computer instructions include: acquiring at least one real-time high resolution video signal representing at least one view of the eye in at least one wavelength of light outside of the wavelengths of visible light. The computer instructions include converting the at least one view is converted corresponding to the at least one real-time high resolution video signal at the at least one wavelength of light outside of the wavelengths of visible light into at least one wavelength of visible light. The at least one high resolution photosensor is acquired after light conditions are low enough such that a pupil of the eye does not constrict substantially from its maximum pupillary diameter.

Abstract: An analysis system for analyzing inclination of column members includes a laser scanner, a server, and an information terminal. The server includes a data acquisition unit configured to acquire three-dimensional point cloud data of the column members generated by the laser scanner, a surface detector configured to detect surfaces of the column members based on the three-dimensional point cloud data, and an inclination analyzer configured to analyze inclination of the column members by calculating inclination of the surfaces detected by the surface detector.

Abstract: An apparatus for determining a concentration of a driver includes: a region-of-interest definition processor configured to define a region-of-interest based on traffic-related information on front image information of a vehicle running; a driver eye-gaze detection processor configured to detect a plurality of eye-gaze points from driver image information of a driver in accordance with an eye-gaze movement of the driver; a driver concentration information calculation processor configured to calculate concentration information of each of the eye-gaze points; an image coordinate system processor configured to convert the region-of-interest to an image coordinate system and convert positions of the eye-gaze points to the image coordinate system; and a concentration determination processor configured to determine a concentration of the driver on the image coordinate system based on the concentration information.

Abstract: Provided is an information processing apparatus including: a detection unit configured to detect a corneal reflection image corresponding to light from a light source reflected at a cornea from a captured image in which an eye irradiated with the light from the light source is imaged. The detection unit estimates a position of a center of an eyeball on the basis of a plurality of time-series captured images each of which is the captured image according to the above, estimates a position of a center of the cornea on the basis of the estimated position of the center of the eyeball, estimates a position of a candidate for the corneal reflection image on the basis of the estimated position of the center of the cornea, and detects the corneal reflection image from the captured image on the basis of the estimated position of the candidate for the corneal reflection image.

Abstract: An apparatus for producing a fundus image includes: a processor and a memory; an illumination component including a light source and operatively coupled to the processor; a camera including a lens and operatively coupled to the processor, wherein the memory stores instructions that, when executed by the processor, cause the apparatus to: execute an automated script for capture of the fundus image; and allow for manual capture of the fundus image.

Abstract: An OCT motion contrast data analysis apparatus includes: a processor; and memory storing computer readable instructions, when executed by the processor, causing the OCT motion contrast data analysis apparatus to execute: acquiring OCT motion contrast data of a subject by an optical coherence tomography; and performing an analysis process with respect to the OCT motion contrast data based on an analysis chart set on image data different from the OCT motion contrast data.

Abstract: A pupil detection system according to an embodiment includes a vector calculation unit configured to calculate a plurality of candidate vectors each connecting a corneal sphere center and a pupil center by a stereo method based on a first pupil image of a subject which is picked up by a first camera and a second pupil image of the subject which is picked up by a second camera, and a determination unit configured to select, from among the plurality of candidate vectors, a candidate vector satisfying a vector condition in which an angle between the pupil center and a reference line is equal to or less than a predetermined threshold and determine that a pupil is located at a pupil center corresponding to the selected candidate vector.

Abstract: In a method for determining the visual acuity two spaced outer markings and an orientation marking lying between but not on a straight connecting line are displayed to the user on a display in an individual test as part of a plurality of tests, and the user is to move the orientation marking on the display perpendicularly to the straight connecting line by actuating the device until the user perceives the marking as lying on the straight connecting line. After, the electronic device then registers the effective distance between the orientation marking and the connecting line. At least two tests are carried out in which the outer markings are arranged along the same main axis, and at least the vertical main axis and the horizontal main axis are measured. After the manipulation, the effective distance from the individual tests of the series is used for ascertaining the visual acuity.

Abstract: A display apparatus, a driving method of a display apparatus, and a computer readable recording are provided. The method includes displaying an image on an entire screen area of a display unit, and in response to a user or a user device approaching (e.g., being detected by) the display unit, controlling the display unit to reduce the image and display the reduced image in a first area of the screen area and to control a second area of the screen area other than the first area to operate as a mirror.