visual point — noun : the point taken as the position of the eye in calculations of optical instruments; specifically : the optical center of the cornea lens system as backed by the vitreous humor … Useful english 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 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 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
Visual plane — 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 purple — 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 ray — 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 white — 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 yellow — 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 ray — noun also visual beam : a ray from any point of the object field to the eye; specifically : any ray that on its way to the retina passes through the visual point … Useful english dictionary