Visual angle — Visual Vis u*al, a. [L. visualis, from visus a seeing, sight: cf. F. visuel. See {Vision}.] 1. Of or pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve. [1913 Webster] The air, Nowhere so clear,… … The Collaborative International Dictionary of English
Visual angle — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where … The Collaborative International Dictionary of English
visual angle — n the angle formed by two rays of light or two straight lines drawn from the extreme points of a viewed object to the nodal point of the eye * * * the angle formed between two lines extending from the nodal point of the eye to the extremities of… … Medical dictionary
Visual angle — The visual angle is the angle a viewed object subtends at the eye, usually stated in degrees of arc.It also is called the object s angular size. The sketch helps to define it 1,2It shows an observer s eye looking at a frontal extent (the vertical … Wikipedia
visual angle — regos kampas statusas T sritis fizika atitikmenys: angl. visual angle vok. Gesichtswinkel, m; Sehwinkel, m rus. угол зрения, m pranc. angle visuel, m … Fizikos terminų žodynas
Visual Angle Illusion — The visual angle, V degrees, subtended by a viewed object sometimes looks larger or smaller than its actual value, creating a visual angle illusion (V illusion).These V illusions have been explicitly described by many vision researchers,… … Wikipedia
visual angle — noun : the angle formed by two rays of light or two straight lines drawn from the extreme points of a viewed object to the visual point of the eye … Useful english dictionary
visual angle — noun Optics the angle formed at the eye by rays from the extremities of an object viewed … English new terms dictionary
Visual — Vis u*al, a. [L. visualis, from visus a seeing, sight: cf. F. visuel. See {Vision}.] 1. Of or pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve. [1913 Webster] The air, Nowhere so clear, sharpened his… … The Collaborative International Dictionary of English
Visual cone — Visual Vis u*al, a. [L. visualis, from visus a seeing, sight: cf. F. visuel. See {Vision}.] 1. Of or pertaining to sight; used in sight; serving as the instrument of seeing; as, the visual nerve. [1913 Webster] The air, Nowhere so clear,… … The Collaborative International Dictionary of English
