tubular visual field
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Tubular Bells — Infobox Album | Name = Tubular Bells Type = studio Artist = Mike Oldfield Released = start date|1973|5|25|df=yes Recorded = The Manor, Autumn 1972 – Spring 1973 Genre = Progressive rock Length = 48:57 Label = Virgin Producer = Tom Newman, Simon… … Wikipedia
syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… … Medical dictionary
photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
coloration — colorational, adj. colorationally, adv. /kul euh ray sheuhn/, n. appearance with regard to color arrangement or use of colors; coloring: the bold coloration of some birds. [1605 15; COLOR + ATION] * * * ▪ biology Introduction in biology,… … Universalium
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
tunnel vision — n constriction of the visual field resulting in loss of peripheral vision * * * a visual field defect in which only the central area of the visual field remains. It occurs in advanced glaucoma and is simulated by aphakic spectacles. * * * 1.… … Medical dictionary
vision — The act of seeing. SEE ALSO: sight. [L. visio, fr. video, pp. visus, to see] achromatic v. SYN: achromatopsia. binocular v. v. with a single image, by both eyes simultaneously. blue v. SYN: cyanopsia. central v. v. stimulated by an object imaged… … Medical dictionary
Bird vision — Vision is the most important sense for birds, since good eyesight is essential for safe flight, and this group has a number of adaptations which give visual acuity superior to that of other vertebrate groups; a pigeon has been described as two… … Wikipedia
Streff Syndrome — is a vision condition primarily exhibited by children under periods of visual or emotional stress. Frequently patients will have reduced stereopsis, large accommodative lag on dynamic retinoscopy, and a reduced visual field (tubular or spiral… … Wikipedia
art and architecture, Oceanic — ▪ visual arts Introduction the visual art (art) and architecture of native Oceania, including media such as sculpture, pottery, rock art, basketry, masks, painting, and personal decoration. In these cultures, art and architecture have often … Universalium