A61B3/152

Handheld and slit lamp detachable camera with pivotable arm

A clinician eye camera apparatus, networked system, and medium to record eye images using the three different types of light to diagnose different medical conditions/disorders, comprising: 1) a camera unit housing a) a front PCB with a plurality of LED's and a middle aperture to fit a rear camera lens; b) a middle camera filter unit, comprising a plurality of light filters, and a servo motor with a propeller that rotates the light filters into position in front of a rear camera lens; c) the rear camera lens; and 2) a pivotable arm assembly comprising a top end unit attachable to the camera unit, and a middle handle unit pivotably attached to an arm unit. The arm assembly can be used in a straight handheld mode; or bent 90 degrees for mounting in a slit lamp. Images are transmitted to a clinician computer and/or a remoter server.

OPHTHALMIC APPARATUS
20230036046 · 2023-02-02 · ·

An ophthalmic apparatus includes a tester having a target projecting optical system and a target photographing optical system. with a configuration on an examinee's eye side being non-telecentric, an alignment adjuster that adjusts at least a positional relationship between an examinee's eye and the tester in the direction of a working distance between the examinee's eye and the tester, and a corrector that acquires an actual error from a proper working distance based on association information indicating the association of position information on the positions of first and second target images on an observation image with an error in the working distance with respect to the proper working distance due to the corneal curvature radius of the examinee's eye and the non-telecentricity of the target photographing optical system and the position information on the tester at the current position thereof in the working distance direction, correcting the actual error.

Alignment and diagnostic device and methods for imaging and surgery at the irido-corneal angle of the eye

A device for visualizing an irido-corneal angle of an eye through a window of a patient interface configured to be placed on the eye includes and optics structure and at least one imaging apparatus. The optics structure is configured to engage with the patient interface to provide a line of sight through the window in the direction of the irido-corneal angle, and to subsequently disengage from the patient interface. The imaging apparatus is associated with the optics structure and aligned with the line of sight to enable capturing an image of the eye including the irido-corneal angle.

EXTERNAL ALIGNMENT INDICATION/GUIDANCE SYSTEM FOR RETINAL CAMERA
20220338733 · 2022-10-27 ·

A retinal camera system comprises an eyepiece lens disposed within a housing, a retinal image sensor, and a visual guidance indicator. The retinal image sensor is adapted to acquire a retinal image of an eye through the eyepiece lens. The visual guidance indicator is disposed in or on the housing peripherally about the eyepiece lens. The visual guidance indicator is positioned and oriented relative to the eyepiece lens to emit a visual cue along an optical path that does not pass through the eyepiece lens. The visual cue is adapted to facilitate alignment of the eye to the eyepiece lens.

SYSTEM AND METHOD FOR LOCATING A SURFACE OF OCULAR TISSUE FOR GLAUCOMA SURGERY BASED ON DUAL AIMING BEAMS

A target surface in an eye is located using a dual aiming beam apparatus that transmits a first aiming beam of light and a second aiming beam of light. An optics subsystem receives a laser beam from a laser source, the first aiming beam of light, and the second aiming beam of light, and directs the beams of light to be incident with the target surface and aligns the beams of light such that they intersect at a point corresponding to a focus of the laser beam. An imaging apparatus captures an image of the target surface including a first spot corresponding to the first aiming beam of light and a second spot corresponding to a second aiming beam of light. A separation between the spots indicates that the focus is away from the target surface, while overlapping spots indicate the focus is at or on the target surface.

METHODS AND APPARATUS FOR OCULAR EXAMINATION
20230128758 · 2023-04-27 ·

A system is disclosed for capturing diagnostic eye information. The system includes at least one energy source for directing electromagnetic energy into an eye of a subject, a plurality of perception units, each perception unit being associated with an associated position in the visual field of the eye, and each perception unit being adapted to capture refractive information from the eye responsive to the electromagnetic energy, and a processing system for determining refractive error information associated with each position of each perception unit in the visual field of the eye, and for determining refractive error composite information regarding the eye responsive to the refractive error information associated with each perception unit and independent of a direction of gaze of the eye.

Ophthalmologic apparatus
11471049 · 2022-10-18 · ·

An ophthalmologic apparatus comprises eye information obtaining portions, each of the eye information obtaining portions corresponding to each of subject eyes of a subject and configured to obtain information on each of the subject eyes; imaging portions, each of the imaging portions corresponding to each of the eye information obtaining portions and configured to capture a subject eye image of each of the subject eyes; a reference calculator configured to obtain a three-dimensional reference position in each of the subject eye images captured by each of the imaging portions; an inclination calculator configured to obtain inclination information indicating inclination of relative positions of the subject eyes from the obtained three-dimensional reference positions in the subject eye images; and a notification portion configured to notify the obtained inclination information.

Apparatus for diagnosis of ocular surface disease

An apparatus for diagnosis of ocular surface disease includes an electronic tablet with an electronic display and a forward-facing camera. The camera may be placed above the screen when the device is held in landscape mode. A software app executing on the electronic tablet displays a test screen to a patient, the test screen comprising a test image and an alignment indicator. Once alignment is achieved, the patient may read the test image for a period of time, during which blink quality and quantity are tabulated. A video recorded during the test may be reviewed by a physician to confirm or modify blink quality and quantity counts during the test to diagnose ocular surface disease.

ILLUMINATION OF AN EYE FUNDUS USING NON-SCANNING COHERENT LIGHT
20230064792 · 2023-03-02 ·

Imaging various regions of the eye is important for both clinical diagnostic and treatment purposes as well as for scientific research. Diagnosis of a number of clinical conditions relies on imaging of the various tissues of the eye. The subject technology describes a method and apparatus for imaging the eye using off-center illumination in a manner that avoids light striking the anterior surfaces of the eye at or near a center of the optical axis, thereby reducing reflections traveling back along an imaging light path, while also providing substantially uniform illumination of a region of interest of the fundus.

REFRACTIVE INDEX DETERMINATION BY MULTI-DIRECTIONAL OPHTHALMIC IMAGE PROCESSING
20230119409 · 2023-04-20 ·

The present disclosure provides a non-invasive technique to determine a true set of refractive indices of a patient's eye in order to generate an accurate model of the patient's eye. Certain aspects provide a system for generating a three-dimensional reconstruction model of a patient's eye. The system includes an imaging device configured to generate first and second measurements of a patient's eye at first and second angles relative to a line of sight of the patient's eye. The system includes an image processor configured to generate a first and second plurality of models of the patient's eye based on applying a plurality of sets of refractive indices to the first and second measurements; identify a first model from the first plurality of models that is congruent with a second model from the second plurality of models; and determine a set of refractive indices associated with the first and second models.