Abstract: An eye tracking and gaze fixation detection system, includes an electronically scannable optical illumination system emits polarized near-infrared (NIR) light to a retina in an eye of a subject; an optical detection system arranged in an optical path of the NIR light after being reflected from the retina of the eye of the subject, the optical detection system providing a detection signal; and a signal processing system communicates with the optical detection system to receive the detection signal, wherein the optical illumination system emits the polarized NIR light to illuminate at least a portion of a scanning path, wherein the scanning path is a spatially closed loop across a portion of the retina in the eye of the subject that repeats periodically over time, and wherein the signal processing system is configured to determine at least one of a gaze direction and a gaze fixation based on the detection signal.

Abstract: A sun glare reducer provides a right templar portion and a left templar portion. Each of the right templar portion and the left templar portion includes an elongate member having a first free end and a second connected end that connects the elongate member to the facial portion. A facial portion extends between the right templar portion and the left templar portion. The facial portion includes a right under-portion that extends inwardly toward a center of the facial portion from the right vertical portion and a left under-portion that extends inwardly toward a center of the facial portion the left vertical portion. A light absorbing surface extends outwardly away from each of the right under-portion and the left under-portion.

Abstract: A method for providing a personalized optical system for a wearer wherein the optical system characterizes a spectacle ophthalmic lens comprising the following steps: a) providing a visual performance level (VPL) value of at least one eye of the wearer; b) providing a set of rules linking at least the visual performance level of step a) with at least one optical criterion chosen among one or both of the two following optical criteria groups consisting of central vision optical criterion (CVOC) group and peripheral vision optical criterion (PVOC) group; c) calculating the physical and geometrical parameters of the personalized optical system or selecting the personalized optical system in an optical systems data base comprising a plurality of optical systems, so that to meet the set of rules of step b) according to the visual performance level data provided in step a).

Abstract: Apparatus, systems and methods employing contact lens sensors are provided. In some aspects, a contact lens includes a substrate that forms at least a portion of the body of the contact lens; an optical communication device disposed on or within the substrate; and a photodetector disposed on or within the substrate, wherein the photodetector harvests light emitted from a device and generates power from the harvested light. In some aspects, an apparatus comprises a tag having a circuit including: an optical communication device; and a photodetector that harvests light received and generates power from the harvested light. The tag can be disposed on or within a contact lens in various aspects.

Abstract: The present invention is an apparatus and method to produce an image of an eye of a patient that includes an optical head that includes imaging optics, illumination source optics and a camera housing with a perimeter that houses the video camera optics and the illumination source optics, a slit lamp chinrest and joystick assembly that includes an adjustable head support, a movable base, a joystick that adjusts a position of the camera housing relative to the head support and the housing support that mounts the video camera, a rubber eyecup that provides an interface between the camera housing and the patient's eye that protrudes outward from the perimeter and a computer system that analyzes images and data for the presence of amyloid in a retina, and other deposits and provides a diagnosis of macular degeneration, Alzheimer's disease, traumatic brain injury, multiple concussive injury, neurodegenerative and other ocular disorders.

Abstract: Eyewear for a person includes at least a frame for supporting at least one lens; and a nose bridge affixed to the frame. The nose bridge has first and second nose pads adapted for contact with first and second sides of a person's nose, wherein the nose pads are retained in a fixed position relative to the frame at a sagittal angle A of greater than 38 degrees. The eyewear may be safety glasses, goggles, sunglasses, cosmetic glasses, and/or vision correction glasses. The eyewear may include only one lens, or may include two separate lenses.

Abstract: Eyewear is disclosed that can have multiple ventilation states providing different amounts of ventilation through the eyewear. The eyewear can include a lens and a frame. In some embodiments, the lens can be movable with respect to the frame to provide the multiple ventilation states. In some embodiments, the eyewear can include a gasket that removably attaches to the frame. In some embodiments, the gasket can be movable with respect to the frame to provide the multiple ventilation states.

Abstract: An optical device detachably attached to a frame fixed to a user's head is provided. The optical device includes a body extending in one direction, a display extending in a direction intersecting the one direction, connected to the body, and disposed to be adjacent to the user's eye when fixed to the frame, so as to provide visual information, and a clip module protruding from the body and caught in one region of the frame.

Abstract: An ophthalmologic apparatus measures a dimension of an eye to be examined. The ophthalmologic apparatus includes a light source, an incidence member, an acquisition unit, and a display unit. The incidence member causes light from the light source to be incident on a plurality of different positions in the eye to be examined. The acquisition unit acquires a two-dimensional tomographic image of an interior of the eye to be examined on the basis of a plurality of interference signals acquired as a result of the incidence member causing the incidence of light on the plurality of different positions. The display unit displays the acquired two-dimensional tomographic image.

Abstract: A modular electronic communication system is disclosed with interchangeable components attachable on eyewear. A plurality of pre-existing eyewear models can each be retrofitted by attachment of one or more of such interchangeable components to that eyewear. Such components can be configured for custom attachment with a particular eyewear or such components can be configured for universal attachment with one or more different eyewear models. The communication system can be configured to produce an adjustable heads-up display for the wearer of the eyewear. The electronic communication system can comprise a plurality of interchangeable, electronically interconnected components, such as a first optical module, a first base module, a base link, a second base module, and/or a second optical module. In some embodiments, one or more or all of the components of the electronic communication system are integrally and permanently attached to an eyewear and are not interchangeable or modular.

Abstract: An eyeglasses with quick detachable temple has a lens and two temples. Opposite sides at both ends of the lens are defined as terminal sides respectively, and recesses are formed on the terminal sides respectively. Each recess is formed with a first and second protrusions, and a first and second niches, wherein the first protrusion is opposite to the second protrusion. The first and second niches are adjacent to the first and second protrusions respectively. A distance between the first and second niches is greater than a distance between top ends of the first and second protrusions. Each temple has a wedge unit, and the shape of the wedge unit is corresponding to the shape of the recess. The wedge unit comprises a shallow groove wall, a deep groove wall, a settling bump, and a wedging bump.

Abstract: Eyewear can be provided that include at least a support and a retention system that allows the eyewear to be retained on an object separate from the eyewear. The support can include at least an earstem and a face. The retention system can include a retention member coupled to a portion of the support which can retain the object between the retention member and the support. The retention system can also include an actuation member which can transition the retention system, such as the retention member, from a retention configuration to an open configuration.

Abstract: Data is received characterizing a result of a first visual sensitivity test assessing capacity to detect spatial form across one or more different target sizes, and different contrasts. Using the received data, one or more first parameters defining a first estimated visual sensitivity for a first range of contrasts and a second range of spatial frequencies is determined. One or more second parameters defining a second estimated visual sensitivity for a third range of contrasts and a fourth range of spatial frequencies is determined using the one or more first parameters and a statistical inference by at least presenting a first visual stimulus, receiving a response, and determining a second visual stimulus based at least on the response and at least a rule. The one or more second parameters is provided. Related apparatus, systems, techniques and articles are also described.

Abstract: Systems and methods in accordance with embodiments of the invention implement spectacle attachments that can provide protection from radiation. In one embodiment, a spectacle attachment that provides protection from radiation includes: a body of material that is a barrier to at least some form of radiation; where the body of material is configured so that it can couple with either temple of a pair of glasses; and where the body of material is sized to protect the side of a wearer's face from at least approximately the wearer's temple to approximately below the wearer's cheek when the body of material is coupled to a temple of a pair of glasses and the pair of glasses is worn.

Abstract: Systems and methods for improving the peripheral vision of a subject are disclosed. In one aspect, embodiments of the present disclosure includes a method, which may be embodied on a system, for improving peripheral vision of a subject using a visual marker on a display screen, the method includes, displaying a peripheral target on the display screen, the peripheral target having a visually discernable characteristic and determining whether the subject is able to correctly identify the peripheral target displayed on the display screen using the peripheral vision. The visual marker is intended for viewing using central vision of the subject and the peripheral target is intended for identification using the peripheral vision of the subject.

Abstract: The present invention relates to a frame for spectacles 10 which comprises a front piece 12 and at least one side arm 13 which are hinged together by means of a hinge structure 14. The hinge structure 14 comprises a first hinge part 15 and a second hinge part 16 which are pivotably joined together by means of a pivoting screw 21. In accordance with the invention, the second hinge part 16 comprises a reinforcing element 23 with a fixing base 24 which is fixed inside a locking groove 26 by means of a form-fit joint.

Abstract: Techniques for providing eyewear with electrical components are disclosed. The electrical components can provide electrical technology to eyewear without having to substantially compromise aesthetic design principles of the eyewear. The electrical components can be partially or completely internal to eyewear. The electrical components can also be attached to the eyewear as an after-market enhancement. The electrical components can operate independently or together with other electrical components provided elsewhere. Apparatus for presenting after-market electrical components are also disclosed.

Abstract: The invention is a system comprising an adaptor (10) which comprises an inner chamber (111) into which electronic recording devices that can record images such as smart phones, pocket computer, tablet computer can be placed and a space (112) provided on the location that comes across with the camera of the electronic recording device, characterized in that, said single adaptor (10) comprises a mounting part (113) located on the front side of the adaptor (10) and focusing optic units connected to said mounting part (113) during application and have a lens assembly chosen in accordance with the body part to be visualized, for being used in more than one application such as biomicroscopy, indirect ophthalmoscopy, otoscopy, dermatoscopy and colposcopy.

Abstract: An adjustable clip-in prescription lens insert assembly for wrap around style frames used in industrial, construction, recreational activities and in the medical arts. The clip-in prescription lens insert assembly has an adjustable and pliable brow bar structure and adjustable and pliable clip members to form and fix the prescription lens insert into wrap around style frames. The brow bar and clip member structures are mounted in connector tubes fixed to the lens frames of the lens and insert assembly and are preferably constructed of a metal or metal alloy having shape memory properties.

Abstract: The silicone eyeglass frame (1) according to the invention consists of a highly flexible and mobile siloxane structure. It is capable of being folded without being broken and of being directed to particular surfaces. Thanks to the material providing the frame to stand on the nose, the need for legs extending to the ears in the eyeglass frame (1) is eliminated.