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Hasil cari dari kata atau frase: Visual point (0.00984 detik)
Found 1 items, similar to Visual point.
English → English
Definition: Visual point
, 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.
Nowhere so clear, sharpened his visual ray.
2. That can be seen; visible. [R.]
. (Opt.) See under Angle
(Persp.), a cone whose vertex is at the point
of sight, or the eye.
, any plane passing through the point of sight.
, the point at which the visual rays unite; the
position of the eye.
(Physiol.), a photochemical substance, of a
purplish red color, contained in the retina of human eyes
and in the eyes of most animals. It is quickly bleached by
light, passing through the colors, red, orange, and
yellow, and then disappearing. Also called rhodopsin
and vision purple
. See Optography
, a line from the eye, or point of sight.
(Physiol.), the final product in the action of
light on visual purple. It is reconverted into visual
purple by the regenerating action of the choroidal
(Physiol.), a product intermediate between
visual purple and visual white, formed in the
photochemical action of light on visual purple.