A self-adhering, flexible gonioscopic lens for adhering to cornea and scleral regions of an eye includes a central lens having a body including a contact surface and a viewing surface, the contact surface having a radius of curvature that approximates the radius of curvature of the cornea, an eye fixation system configured for fixing the central lens to the eye, wherein the eye fixation system is attached to the annular perimeter of the contact surface of the central lens, extending around only a portion of the annular perimeter of the contact surface of the central lens to define a cut-out portion in the eye fixation system of the gonioscopic lens.

Embodiments of the present invention are directed to a method of stimulating a cornea. A non-limiting example of the method includes capturing a sound with a microphone. A non-limiting example of the method also includes transducing the sound to an electric signal by a microprocessor. A non-limiting example of the method also includes stimulating a piezo-electric element adjacent to a receptor of the cornea, wherein the piezo-electric element is positioned on an eye lens with an electric signal. A non-limiting example of the method also includes mechanically stimulating a receptor of the cornea with the stimulated piezo-electric element.

A modular lens adapter system or kit is provided for mobile anterior and posterior segment ophthalmoscopy. Equipped with various lens adapter modules, respective lenses and a mobile imaging device, a user is provided with tools for various mobile ophthalmoscopy imaging applications. Eye care practitioners can use their existing lenses to customize the modular lens adapter system in a cost-effective way, which allows for mobile and remote capture, viewing, and utilization of clinical images. The various modules are also adaptable to nearly any type of phone or tablet regardless of its dimensions or presence of a protective case. The invention also addresses the need for fewer, smaller, less expensive, and easier to use ophthalmic imaging equipment, which is further important in enabling a broad base of users.

A modular lens adapter system or kit is provided for mobile anterior and posterior segment ophthalmoscopy. Equipped with various lens adapter modules, respective lenses and a mobile imaging device, a user is provided with tools for various mobile ophthalmoscopy imaging applications. Eye care practitioners can use their existing lenses to customize the modular lens adapter system in a cost-effective way, which allows for mobile and remote capture, viewing, and utilization of clinical images. The various modules are also adaptable to nearly any type of phone or tablet regardless of its dimensions or presence of a protective case. The invention also addresses the need for fewer, smaller, less expensive, and easier to use ophthalmic imaging equipment, which is further important in enabling a broad base of users.

A contactless visualization system is for a surgical microscope for eye surgery. The system includes an ophthalmic loupe positionable in front of a patient's eye and for supplying a real and vertically and laterally inverted image of an eye fundus of the patient's eye in an intermediate image plane observable by the surgical microscope. The ophthalmic loupe includes a first and a second lens element. In a state positioned in front of the patient's eye, the first lens element is closer to the patient's eye than the second lens element. A wall extends from the first to the second lens element. The wall has a free end in a form of a mount in which the second lens element is held. The mount includes at least one cutout in which an edge of said second lens element is exposed in order to give a surgeon operating space.

A system for obtaining optical coherence tomography of the optical system of a person, comprising: an eyepiece customized for alignment and positioning to contact a person's eye socket and having a lens pocket for receiving a refractive lens customized for the person's eye refraction characteristics; a condensing system for receiving light from the eyepiece; a scanning module optically connected to the condensing system and having a mirror tiltable in two directions for obtaining optical scanning data from the person's optical system; and a spectrometer and camera module optically connected to the scanning module for obtaining and storing the optical scanning data, wherein the eyepiece, condensing system and scanning module are arranged to provide an optical path for delivering a light beam to the person's eye, and receive reflected light to be directed to the scanning module.

A contact lens contains an inward pointing camera, which will be referred to as a retinal camera since it images light reflected from the retina. These can be reflections of physical features of the retina, of images of an external scene imaged by the eye onto the retina, or images projected onto the retina for example from small projectors contained in the contact lens (femtoprojectors). The field of view (FOV) of the retinal camera is sufficiently large that these reflections can be tracked relative to each other and/or relative to their position within the retinal camera's FOV. This information can be processed to track eye gaze and movement relative to the outside world, to align images from the femtoprojector with the eye and/or to align images from the femtoprojector with images from the outside world, among other tasks.

A retinal imager for imaging a retina of an eye includes an illumination source operable to generate illumination light and a beam splitter operable to receive the illumination light and direct the illumination light along an optical axis. The retinal imager also includes a field lens disposed along the optical axis and an objective lens disposed along the optical axis and operable to contact a cornea of the eye. An aerial image is formed adjacent to the field lens. The retinal imager further includes an image sensor and one or more lenses disposed along the optical axis between the beam splitter and the image sensor. The one or more lenses are operable to form a sensor image at the image sensor.

A retinal imager for imaging a retina of an eye includes an illumination source operable to generate illumination light and a beam splitter operable to receive the illumination light and direct the illumination light along an optical axis. The retinal imager also includes a field lens disposed along the optical axis and an objective lens disposed along the optical axis and operable to contact a cornea of the eye. An aerial image is formed adjacent to the field lens. The retinal imager further includes an image sensor and one or more lenses disposed along the optical axis between the beam splitter and the image sensor. The one or more lenses are operable to form a sensor image at the image sensor.

A novel surgical lens system including a lens and a reflective element. The lens is placed on, or above, a cornea of an eye of a subject for enabling inspection of the eye. The reflective element is incorporated into the lens. The reflective element reflects a light beam toward the eye of the subject. The reflective element increases the divergence of the light beam, such that the divergence of the reflected light beam is larger than the divergence of the light beam. The light beam is emitted by a non-invasive light source positioned externally to the eye.