Abstract: Systems and methods for allowing a user with no prior training to receive automated vision measurements without assistance of another individual by using subjective inputs from a user, which may be supplemented by a predictive method. The predictive method comprising artificial intelligence, patient data, user inputs, automated inputs from cameras and the like. The system may make use of a specific algorithm, decision tree, set of instructions, programming instructions, and the like, in order to provide vision measurements. The system combines programming instructions executed by a processor, output devices, input controls, and a plurality of corrective lenses to find a patient or user's vision measurements.

Abstract: An ophthalmic laser system for generating a first beam at a first wavelength on a first beam path and a second beam at a second wavelength on a second beam path, and directing optics to selectively direct the first beam or the second beam to a treatment beam path. The ophthalmic laser system incorporates a reflex coaxial illuminator comprising a reflex mirror movable on an axis from a position out of the treatment beam path to a position in the treatment beam path to direct illumination into an illumination path coaxial with the treatment beam path. The reflex mirror is adapted to transmit a beam that follows the second beam path.

Abstract: An ophthalmic device including an illumination module which scans light across a region of the retina of an eye when the pupil is disposed at a focal point of the illumination module. The ophthalmic device further comprises components (2, 3-1, 4-1) for: aligning the pupil with the focal point; monitoring a position of the pupil relative to the focal point and maintaining the alignment based on the monitored position; aligning a scan location of the illumination module on the retina to a target scan location while the alignment of the pupil with the focal point is being maintained, wherein the illumination module performs a scan at the target scan location. The ophthalmic device further maintains the scan location at the target scan location while the alignment of the pupil with the focal point is being maintained, using scan location correction information based on retinal feature information.

Abstract: A mask for performing an eye exam of a subject includes one or more optically transparent sections for transmitting an incident light beam therethrough and incident on the subject's eye. In some embodiments, the one or more optically transparent sections are coated with an anti-reflective coating configured to reduce reflection of the incident light beam by the one or more optically transparent sections. In some embodiments, the one or more optically transparent sections may have a portion thereof that is tilted with respect to the incident light beam when the mask is optically interfaced with the docking portion of an ophthalmic instrument, such that the incident light beam forms a finite angle of incidence with respect to the corresponding portion of the optically transparent sections.

Abstract: An ophthalmic apparatus of an exemplary aspect performs the first and second OCT scans on a subject's eye. The first OCT scan is performed on the first region including the first site of the subject's eye, and the second OCT scan is performed on the second region including the second site. The ophthalmic apparatus acquires the first deviation information of the subject's eye prior to the first OCT scan and performs alignment, and also acquires the second deviation information of the subject's eye prior to the second OCT scan and performs alignment. The ophthalmic apparatus calculates the distance between the first site and the second site based on the first data acquired through the first OCT scan and second data acquired through the second OCT scan.

Abstract: A prism array light redistribution apparatus for an eye imaging system including light transmitting fibers, light receiving fibers, and a micro prism array optically coupled to bridge the light transmitting fibers and the light receiving fibers. The array may be further configured to receive light having a bell-shaped angular distribution from the light transmitting fibers and refract the received light to enter the light receiving fibers such that a square-shaped angular distribution of light emits from a light emitting end of the light receiving fibers.

Abstract: 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.

Abstract: The invention relates to a system for laser photocoagulation of the retina, comprising: a photocoagulation laser (1); an optical path (5) connecting the upstream photocoagulation laser (1) to a downstream laser outlet opening (6) intended to be positioned in front of the retina; an adaptive optical element (9) positioned in the optical path and configured to modify the wavefront of the laser beam being propagated in the optical path, in order to compensate for aberrations of the eye that occur as far as the retina; a position control loop (10) controlling a first actuator (14) positioned in the optical path downstream of the adaptive optical element in order to control the position of the laser outlet opening relative to the retina to be treated; and at least one imaging device (8) configured to obtain an image of the retina diverted from the optical path.

Abstract: During a process of refractive index modification of an intraocular lens (IOL) using an ophthalmic laser system, optical position monitoring of the IOL is performed by a video camera system viewing the top surface of the IOL. Fiducials are incorporated into the IOL at manufacture, or created in-vivo with laser. The monitoring method employs a defined area of interest (AOI) to limit the number of pixels to be analyzed, to achieve adequately high acquisition speed. In one example, the AOI contains 5 camera scan line segments, each line segment having sufficient pixels to create a stable amplitude signature. Successive frames of the AOI are analyzed to detect movement of the fiducial and/or to determine whether the fiducial has been lost.

Abstract: A computer implemented system and method for generating a focus corrected image of a sample disposed on a sample holder of an imaging system is disclosed. The imaging system includes an image sensor and a lens moveable relative to the image sensor between a first position and a second position. A characteristic map of the lens is developed that associates coordinates of each pixel of an image generated by the imaging sensor with one of a first plurality of locations of the lens between the first position and the second position. An image generator develops an output pixel of a focus-corrected image of a sample from a plurality of images of the sample acquired when the lens is positioned at a corresponding one of a second plurality of locations of the lens between the first position and the second position.

Abstract: The present disclosure relates to eyeglass and a method for adjusting incident light into eyes. The eyeglass include: a crystalline lens condition acquisition member configured to acquire a condition of a crystalline lens of a user who wears the eyeglass; a lens of eyeglass including an electrowetting dual-liquid zoom lens assembly, the electrowetting dual-liquid zoom lens assembly including insulating liquid and conductive liquid which are encapsulated and driving electrodes configured to apply a voltage to the insulating liquid and the conductive liquid; and a driving device coupled to the crystalline lens condition acquisition member and the driving electrodes and configured to adjust the voltage of the driving electrodes in the case where the crystalline lens is in a tightened condition so as to convert light transmitted through the eyeglass to parallel light.

Abstract: A medical imaging apparatus (1) and method for imaging a light-sensitive object (2), such as tissue (3) of the eye (4), displays the object (2) in spectral bands (30) of the visible light range (37) in which the object is sensitive and cannot be illuminated. The apparatus (1) has a camera (8) for capturing input images (10) in which a spectral signature (36) of the object is represented by an input set (15) of spectral bands (16). The apparatus generates output images (22) in which the spectral signature (60) in the visible light range (37) is represented by an output set (29) of spectral bands (30). Replacing at least one input-only spectral band (38) in the input set (15) by at least one output-only spectral band (39) in the output set (29) enables capture of input images (10) in spectral bands (16) where the object (2) has less sensitivity, such as in the non-visible light-range (18), and display of the object (2) in spectral bands (30) where the object would be too sensitive for illumination (40).

Abstract: An ophthalmologic apparatus includes an objective lens, a refractive power measurement optical system, an inspection optical system, and a corneal shape measurement optical system. The refractive power measurement optical system projects light onto a subject's eye via the objective lens and detects returning light from the subject's eye. The inspection optical system includes an optical scanner. The inspection optical system deflects light from a light source, projects the light deflected by the optical scanner onto the subject's eye via the objective lens, and detects returning light from the subject's eye. The corneal shape measurement optical system projects an arc-like or circumferential measurement pattern from an outer edge side of the objective lens onto the subject's eye and detects returning light from a cornea of the subject's eye.

Abstract: An optometry system for examining a subject eye of an examinee includes an optometry device for examining the subject eye, an imaging unit that captures an image of an examination room including the examinee and the optometry device, and a remote operation unit that includes a display unit which displays an operation screen for operating the optometry device and an captured image captured by the imaging unit, and a display control unit which controls display of the display unit to display the operation screen and the captured image on the display unit. The remote operation unit enables an examiner to observe the captured image displayed on the display unit to guide the examinee to an examination position.

Abstract: Disclosed are systems and methods for characterizing corneal shape abnormalities. These methods may be used to differentiate corneas having subclinical keratoconus from other conditions which cause distortion of corneal shape, including warpage of the cornea due to contact lens wear. Also disclosed is classification scheme to aid diagnosis of corneal conditions and thereby guide clinical decision making regarding patient treatment. This classification scheme is based on computed properties of corneal shape, is amenable to automation, and may be implemented in an integrated system or provided in the form of software encoded on a computer-readable medium.

Abstract: A brain computer interface system includes a wearable interface, an eye tracking device, and a client device for determining what object a user is looking at on an electronic display. The client device determines a region on the electronic display based on an estimated user gaze direction received from the eye tracking device. For each virtual object in the gaze region, the client device displays a visual stimulus with a unique frequency. The client device receives from the wearable interface an electrical potential signal measured at the user's brain and evoked by a visual stimulus on the electronic display. The client device identifies the object in the gaze region with a stimulus frequency matching a frequency derived from the potential signal, and executes instructions relating to the object.

Abstract: A medical diagnostic instrument or a plurality of disparate medical diagnostic instruments are configured with a common optical architecture that functionally creates a virtual eye to create closer proximity to a patient and therefore increase the field of view in regard to a target of interest. The optical system includes a distal optical element, at least one relay lens and an eyepiece lens in which the optical system can be integrated within at least one instrument or be provided using a releasable module. Additionally, at least one of a viewing assembly and illumination assembly of at least one medical diagnostic instrument can be assembled using a series of components that are connected by interlocking features.

Abstract: Generating an aspheric contact lens design for facilitating myopia control of a cornea of a patient includes operations of: obtain measurement for degree refractive error of the eye in diopters; obtain measurement of one or more biomechanical properties of the cornea; define a diameter of a central zone of the contact lens based on pupil size; select a base curve profile and width for the central zone based on the refractive error and the one or more biomechanical properties; define a width of a reverse zone adjacent to and encircling the central zone, the width being greater than 0.

Abstract: Systems and methods for imaging an eye are disclosed. The systems and methods may include at least one plenoptic camera. The systems and methods may include an illumination source with a plurality of lights.

Abstract: A comfortability-tension threshold for a user is determined and a current pose of the user and a determined optimal pose are compared. The current pose and the determined optimal pose are mapped to an angle for adjusting on-screen content of a display of the computer system and the on-screen content of the display of the computer system is adjusted based on the angle.

Abstract: An eye-imaging apparatus and system is described including arrayed optical fibers having a high numerical aperture and circular fiber array ends arranged at skewed angles relative to the optical axis of the imaging path. Circular fiber array ends are arranged to emit the illumination light into an eye at a skewed angle and a light intensity distribution converter along the illumination path to convert a bell-shaped distribution into a top-hat distribution. As a result, illumination uniformity on the retina of the eye is improved.

Abstract: A selection for an acuity test chart is received in distributed Web content that correlates to a distance between an end user and a display of the test chart. A selection also is received of a trio of lines of different widths in a set of lines defining one of twelve radially equidistant radii of equal length extending from a common vertex in an astigmatism clock chart. An astigmatism fan chart also is generated and presented in the Web content utilizing three of the trio of lines in the selection and including twelve repeating sequences of three radially equidistant radii of different widths corresponding to the different widths of the utilized three of the trio of lines. One of the radii is selected and a prescription computed including the visual acuity value, a cylinder value deriving from the selected trio, and an axis value deriving from the selected radii.

Abstract: LED devices and methods of operating LED devices are described. An LED device includes a light-emitting element, a wavelength converting layer and a dichroic mirror. The light-emitting element is configured to emit ultra violet, visible, or ultra violet and visible light. The wavelength converting layer is configured to absorb at least a portion of the light emitted by the light-emitting element and in response emit infrared light. The dichroic mirror transmits the infrared light emitted by the wavelength converting layer, reflects the light emitted by the light emitting element, and is arranged to reflect back into the wavelength converting layer light emitted by the light emitting element, transmitted unabsorbed through the wavelength converting layer, and incident on the dichroic mirror.

Abstract: A vision training device includes a main body, a lens unit, a drive motor, and a controller. The lens unit includes a plurality of lenses respectively having different diopter values and a lens holder that supports the lenses. The drive motor moves the lens holder so that one of the lenses of the lens unit is disposed on a line of sight axis. The controller controls the drive motor such that a test lens selected from the plurality of lenses is disposed on the line of sight axis and stores an accommodation time indicating a period of time in which the eye becomes in an accommodated state to the test lens.

Abstract: A device for determining biometric variables of the eye, as are incorporated in the calculation of intraocular lenses including a multi-point keratometer and an OCT arrangement. The keratometer measurement points are illuminated telecentrically and detected telecentrically and the OCT arrangement is designed as a laterally scanning swept-source system with a detection region detecting the whole eye over the whole axial length thereof. The multi-point keratometer ensures that a sufficient number of keratometer points are available for measuring the corneal surface. By contrast, telecentricity ensures that the positioning inadequacies of the measuring instrument in relation to the eye to be measured do not lead to a local mismatch of the reflection points. The swept-source OCT scan detects the whole eye over the length thereof so that both anterior chamber structures and retina structures can be detected and a consistent whole eye image can be realized.

Abstract: A probe handle accessory for use with a probe includes an outer housing having a first hollow interior and an outer surface for being gripped by a user. The accessory also includes an inner sleeve that is disposed within the first hollow interior and moves axially therein. The inner sleeve having a second hollow interior that is configured to receive the probe and the inner sleeve is configured for securely holding the probe in place within the second hollow interior. At least one biasing element is provided and is coupled to the outer housing and to the inner sleeve and configured to apply a force to the inner sleeve in a distal direction for maintaining the probe in position against a surface of interest during examination thereof, while permitting axial movement of the inner sleeve within the outer housing.

Abstract: A retinal imaging system includes an eyepiece lens assembly, an image sensor, a dynamic fixation target viewable through the eyepiece lens assembly, and a controller coupled to the image sensor and the dynamic fixation target. The controller includes logic that causes the retinal imaging system to perform operations including: acquiring a first image of the eye, analyzing the first image to determine whether a lateral misalignment between the eye and the eyepiece lens assembly is greater than a threshold misalignment, in response to determining the lateral misalignment is greater than the threshold misalignment, adjusting a visual position of the dynamic fixation target to encourage the eye to rotate in a direction that compensates for the lateral misalignment, and acquiring the retinal image of the eye while the eye is encouraged to rotate towards the direction that compensates for the lateral misalignment.

Abstract: Methods and systems wherein laser induced refractive index changes by focused femtosecond laser pulses in optical tissues is performed in combination with corneal lenticular surgery to achieve overall desired vision corrections.

Abstract: A remote eye examination method includes initiating a remote chat session between a local computing device coupled to a phoropter, and a remote computer, and initializing the phoropter for remote control by the remote computer. Then, a multi-colored lamp is activated in a first color until a determination that a refractory examination utilizing the phoropter has commenced. Thereafter, responsive to a determination that the examination has commenced, the multi-colored lamp changes to a second color, and movement of portions of the phoropter are commanded as directed by the remote computer, data is recorded into a patient record and a progression of the examination monitored. Finally, on condition that a threshold period of time before a conclusion of the refractory examination is detected, the multi-colored lamp changes to a third color and upon conclusion of the examination, a message transmitted to a remote account indicating access to the patient record.

Abstract: An ophthalmologic device includes: a visual target presenting unit configured to present a common visual target to be viewed with both subject's eyes; a presenting distance changing unit configured to change a presenting distance of the visual target presented by the visual target presenting unit from a predetermined far vision distance to a predetermined near vision distance; an ocular characteristic acquiring unit configured to objectively acquire an optical characteristic of the subject's eyes; an addition power adding unit configured to add the addition power to the both subject's eyes; and a control unit configured to cause the presenting distance changing unit to change the presenting distance and the ocular characteristic acquiring unit to continuously acquire the optical characteristic, in a state in which an addition power is added to the both subject's eyes by the addition power adding unit.

Abstract: The invention relates to a device and method of ophthalmic diagnosis of lesions on retina utilizing a slit lamp apparatus with a pupil reader and at least one visible LED and one Infrared LED to detect a lesion on the retina of an eye.

Abstract: An ophthalmic device having a single or dual compartment configuration selectively emits infrared and visible light beams onto one or a pair of target eyes. The device performs eye fundus imaging and aids in the detection of ailments as indicated by anomalies in the pupillary reflex.

Abstract: Disclosed is a method for measuring the refraction of an individual by a refraction measuring appliance, including: an initial step of determining at least one initial value of a visuo-postural parameter of the individual; a step of processing the initial value in order to deduce at least one initial value of a regulating parameter of the refraction measuring appliance, the regulating parameter being associated with the visuo-postural parameter; a step of regulating the refraction measuring appliance according to the initial value of the regulating parameter; and a step of measuring the refraction of the individual by the measuring appliance regulated in this way. Also disclosed is a method for the optical design of an ophthalmic lens, and to a pair of glasses including such a lens.

Abstract: An OCT system is arranged to capture a three-dimensional (3D) OCT scan of a target. The OCT system projects a beam scan towards the target, and the OCT system generates data corresponding to the beam scan. Additionally, an image sensor is arranged to capture an image of a trace of the beam scan on a surface of the target. Using the image of the trace, various characteristics of the target are determined.

Abstract: The present disclosure provides systems and methods for processing laser speckle signals. The method may comprise obtaining a laser speckle signal from a laser speckle pattern generated using at least one laser light source that is directed towards a tissue region of a subject and a reference signal corresponding to a movement of a biological material of or within the subject's body. The method may comprise computing one or more measurements using a first function corresponding to at least the laser speckle signal and a second function corresponding to the reference signal. The method may comprise generating an output signal in part based on the one or more measurements for the function space and using the output signal to aid a surgical procedure on or near the tissue region of the subject.

Abstract: A method for intermediate assessment of an eye, whereby an intermediate assessment is carried out making it possible to adapt and optimise a subsequent full assessment. The preliminary assessment takes slightly more time initially but provides for greater efficiency in carrying out the subsequent full assessment by preventing the performance of operations or calculations that are unsuccessful.

Abstract: An ophthalmic device having a single or dual compartment configuration selectively emits infrared and visible light beams onto one or a pair of target eyes. The device performs eye fundus imaging and aids in the detection of ailments as indicated by anomalies in the pupillary reflex.

Abstract: An ophthalmic apparatus to examine an examinee's eye includes: a first optometry unit to perform a first examination of the examinee's eye; a second optometry unit to perform a second examination of the examinee's eye; a drive unit to cause relative movement of the first and second optometry units in three-dimensional manner relative to the examinee's eye; a controller to control the drive unit; a selection receiving unit to receive a selection signal representing at least one selected from the first second examinations; and a face photographing unit to photograph a face image including at least one of examinee's right and left eyes. The controller switches, according to the selection signal, between a first path for alignment of the first optometry unit with the eye detected from the face image and a second path for alignment of the second optometry unit with the eye detected from the face image.

Abstract: A system for monitoring ocular movement can comprise a housing, a plurality of light sources, at least one imager, and a controller. The housing can define a cavity configured to allow each eye of a patient to view an interior region of the housing. The plurality of light sources can be oriented within the interior region of the housing. The at least one imager can be oriented to capture an image of an eye of a patient during an evaluation. The at least one controller can comprise at least one processor and a non-transitory computer readable medium storing instructions. The instructions can be executed by the processor and cause the controller to receive image data from the at least one imager and illuminate the plurality of light sources in a predetermined and reconfigurable sequence.

Abstract: The object of the present invention is to develop an ophthalmologic microscope of a new method that increases the degree of freedom in the optical design in the Galilean ophthalmologic microscope provided with an OCT optical system. The present invention provides an ophthalmologic microscope, wherein an observation optical system, an objective lens, and an OCT optical system are placed in such a way that the optical axis of the OCT optical system does not penetrate through objective lens, and the optical axis of the observation optical system and the optical axis of the OCT optical system are non-coaxial, and wherein the ophthalmologic microscope further comprises a SLO optical system that scans a light ray which is a visible ray, a near infrared ray, or an infrared ray and guides the light to the subject's eye so as to become substantially coaxial with the optical axis of the OCT optical system.

Abstract: An ophthalmic imaging apparatus includes a first splitting unit configured to split return light from a subject irradiated with measurement light in two directions, first and second light receiving units configured to receive the first and second light beams obtained by the first splitting unit through first and second apertures disposed in respective optical paths of the first and second light beams, respectively, a generation unit configured to generate an image in accordance with light reception signals from the first and second light receiving units; and a moving unit configured to move the first and second apertures in a plane perpendicular to an optical axis. The moving unit moves the first and second apertures independently.

Abstract: Disclosed is a method for determining an updated visual correction need for designing a new vision correcting device of an individual already having a previous vision correcting device previously designed to correct his/her vision, wherein, in a first step, a previous level of correction of the previous vision correcting device is acquired, in a second step, a current vision acuity parameter of the individual wearing the previous vision correcting device is assessed, and, in a third step, the updated visual correction need is determined based on the previous level of correction of the previous vision correcting device acquired in the first step and on the current vision acuity parameter assessed in the second step. A complementary visual correction need can also be determined.

Abstract: A device and computer program for determining the spherocylindrical refraction of an eye are disclosed. A component having adjustable optics is provided, the refractive power of which can be adjusted via a refractive power adjustment device. The spherocylindrical refraction is then determined from the adjustment of the refractive power adjustment device at different orientations of a typical direction of the optics or a typical direction of eye test characters.

Abstract: The present disclosure generally relates to automated method and system for vision assessment of a subject. The method comprises: determining a set of test patterns for the subject based on a preliminary assessment of an eye of the subject; displaying the set of test patterns sequentially to the subject; collecting data on the subject's gaze in response to each test pattern displayed to the subject; and assessing vision functionality of the subject based on the collected gaze data.

Abstract: Provided is an ophthalmic measurement device with which it is possible to obtain an area in which a measurement can be taken without moving an optical system. With reference to an optical path length of an illumination optical system with which light is focused on the eyeground when the refraction value is 0 D, the positions of two light sources are set to achieve a setting in which the optical path length becomes slightly shorter. By doing so, it is possible to cope with measurement of refractive properties in a large area without employing structures that allow a lens system of the illumination optical system and the light sources thereof to be moved. In addition, by selecting one of the two light sources so that a clearer Hartmann image can be obtained, it is possible to further increase the precision of the refractive properties to be measured.

Abstract: At least one of the first display and a second display move at least one of the left eye image and the right eye image such that a distance between the left eye image and the right eye image is increased. A separation confirmation signal is received indicating that the image focuses of the image do not coincide with each other in terms of fusion. Fusional amplitude information is stored indicating a separation distance between the left eye image and the right eye image when the image separation confirmation is input.

Abstract: A method and a system of enhancing ganglion cell function using a gaming environment corresponding to a physical activity. The method and system may be used to implement one or more processes to improve a person's visual processing profile. In particular, the method and system may be used to improve a player's skill in the corresponding physical activity.

Abstract: Systems and methods are provided for eye health and vision examinations. A customer diagnostic center is configured to generate customer examination data pertaining to an examination of a customer's eye. The customer diagnostic center provides a user interface for communicating with a customer and ophthalmic equipment for administering tests to the customer. A diagnostic center server is configured to receive the customer examination data from the customer diagnostic center over a network and allow the customer examination data to be accessed by an eye-care practitioner. A practitioner device associated with the eye-care practitioner is configured to receive the customer examination data from the diagnostic center server and display at least a portion of the customer examination data to the eye-care practitioner. Customer evaluation data is generated pertaining to the eye-care practitioner's evaluation of the customer examination data. An eye health report is provided to the customer via the network.

Abstract: A virtual reality headset system includes a vision correction module. The vision correction system can detect a degree of myopia or other visual ailment of a user of the VR system, and then adjust a vision correction lens to adjust for user myopia. An implementation of the vision correction module can adjust right and left lenses separately.

Abstract: A brain computer interface system includes a wearable interface, an eye tracking device, and a client device for determining what object a user is looking at on an electronic display. The client device determines a region on the electronic display based on an estimated user gaze direction received from the eye tracking device. For each virtual object in the gaze region, the client device displays a visual stimulus with a unique frequency. The client device receives from the wearable interface an electrical potential signal measured at the user's brain and evoked by a visual stimulus on the electronic display. The client device identifies the object in the gaze region with a stimulus frequency matching a frequency derived from the potential signal, and executes instructions relating to the object.