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  2. Highmark - Wikipedia

    en.wikipedia.org/wiki/Highmark

    Highmark Inc. has several wholly owned for-profit subsidiaries: United Concordia Companies, Inc., a dental insurer; Davis Vision, a provider of managed care vision benefits; Visionworks of America, a vision retail provider offering frames, lens and accessories; and HM Insurance Group, a reinsurer providing stop-loss, limited benefit medical ...

  3. Visionworks - Wikipedia

    en.wikipedia.org/wiki/Visionworks

    Visionworks of America, Inc. (formerly known as Doctors' Value Vision) is an American company which operates or manages 711 optical retail stores in 40 U.S. states and the District of Columbia. [ 1 ] [ 2 ] [ 3 ] The company was incorporated in 1988.

  4. Event camera - Wikipedia

    en.wikipedia.org/wiki/Event_camera

    An event camera, also known as a neuromorphic camera, [1] silicon retina, [2] or dynamic vision sensor, [3] is an imaging sensor that responds to local changes in brightness. Event cameras do not capture images using a shutter as conventional (frame) cameras do.

  5. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    Vision of humans and other organisms depends on several organs such as the lens of the eye, and any vision correcting devices, which use optics to focus the image. The eyes of many animals contains a lens that focuses the light of its surroundings onto the retina of the eye. This lens is essential to producing clear images within the eye.

  6. Visual impairment - Wikipedia

    en.wikipedia.org/wiki/Visual_impairment

    Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]

  7. Vision rehabilitation - Wikipedia

    en.wikipedia.org/wiki/Vision_rehabilitation

    Vision rehabilitation (often called vision rehab) is a term for a medical rehabilitation to improve vision or low vision.In other words, it is the process of restoring functional ability and improving quality of life and independence in an individual who has lost visual function through illness or injury.

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