Vision, peripheral

Look at other dictionaries:

• 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

• 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 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

• 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 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 — I. adjective Date: 1808 1. of, relating to, involving, or forming a periphery or surface part 2. a. of, relating to, affecting, or being part of the peripheral nervous system < peripheral nerves > < peripheral neuritis > b. of, relating to, or… …   New Collegiate Dictionary

• Peripheral drift illusion — The peripheral drift illusion (PDI) refers to a motion illusion generated by the presentation of a sawtooth luminance grating in the visual periphery. This illusion was first described by Faubert and Herbert (1999), although a similar effect… …   Wikipedia

• Peripheral Canal — The Peripheral Canal does not physically exist. As an idea, it is a canal that diverts water from the Sacramento River, through (or around the periphery of) the San Joaquin Sacramento River Delta, and into the California Aqueduct, North Bay… …   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