Medical dictionary. 2011.
Peripheral vision — is a part of vision that occurs outside the very center of gaze. There is a broad set of non central points in the field of view that is included in the notion of peripheral vision. Far peripheral vision exists at the edges of the field of view,… … Wikipedia
Vision therapy — Vision therapy, also known as visual training, vision training, or visual therapy, is a broad group of techniques aimed at correcting and improving binocular, oculomotor, visual processing, and perceptual disorders. [1] Contents 1 Historical… … Wikipedia
Peripheral Vision (exhibition) — Peripheral Vision (2007) was the name of a collaboration and exhibition between the Edinburgh artists Martin Smith, Reuben Paris and Colin Usher. The show, conceived and executed within a 48 hour time period, was shot in the Leith area of… … Wikipedia
Vision span — or perceptual span is the angular span (vertically and horizontally), within which the human eye has sharp enough vision to read text. The visual field of the human eye spans approximately 120 degrees of arc. However, most of that arc is… … Wikipedia
Vision loss — or visual loss is the absence of vision where it existed before, which can happen either acutely (i.e. abruptly) or chronically (i.e. over a long period of time). The effects of visual loss can, before the acquisition of alternative adaptations… … Wikipedia
peripheral vision — n. the area of vision lying just outside the line of direct sight … English World dictionary
Vision — Vi sion, n. [OE. visioun, F. vision, fr. L. visio, from videre, visum, to see: akin to Gr. ? to see, ? I know, and E. wit. See {Wit}, v., and cf. {Advice}, {Clairvoyant}, {Envy}, {Evident}, {Provide}, {Revise}, {Survey}, {View}, {Visage}, {Visit} … The Collaborative International Dictionary of English
Vision purple — Vision Vi sion, n. [OE. visioun, F. vision, fr. L. visio, from videre, visum, to see: akin to Gr. ? to see, ? I know, and E. wit. See {Wit}, v., and cf. {Advice}, {Clairvoyant}, {Envy}, {Evident}, {Provide}, {Revise}, {Survey}, {View}, {Visage},… … The Collaborative International Dictionary of English
Peripheral Vision Horizon Display — The Peripheral Vision Horizon Display, also called PVHD or the Malcolm Horizon (after inventor Dr. Richard Malcolm), is an aircraft cockpit instrument which assists pilots in maintaining proper attitude. Contents 1 Overview 2 What it does 3… … Wikipedia
Peripheral — Situated away from the center, as opposed to centrally located. For example, peripheral vision means the type of vision that allows one to see objects that are not in the center of one’s visual field. The word peripheral comes from the Greek… … Medical dictionary
