acuity of vision

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• acuity of vision — regos aštrumas statusas T sritis fizika atitikmenys: angl. acuity of vision; sharpness of vision; visual acuity vok. Schärfe des Auges, f; Sehempfindlichkeit, f; Sehschärfe, f rus. острота зрения, f; резкость зрения, f pranc. acuité de vision, f; …   Fizikos terminų žodynas

• acuity — /euh kyooh i tee/, n. sharpness; acuteness; keenness: acuity of vision; acuity of mind. [1375 1425; late ME acuite < OF < ML, LL acuitas, equiv. to L acu(ere) to sharpen or acu(tus) sharpened (see ACUTE) + itas ITY] * * * …   Universalium

• 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

• acuity — ► NOUN ▪ sharpness or keenness of thought, vision, or hearing. ORIGIN Latin acuitas, from acus needle …   English terms dictionary

• acuity — [ə kyo͞o′ə tē] n. [Fr acuité < ML acuitas < L acus, needle: see ACEROSE1] acuteness; keenness, as of thought or vision …   English World dictionary

• acuity — 1. Sharpness, clearness, distinctness. 2. Severity. [thr. Fr., fr. L. acuo, pp. acutus, sharpen] absolute intensity threshold a. the minimal light that can be seen. resolution a. detection of a target having two or more parts, often measured by… …   Medical dictionary

• Acuity test, visual — This test measures how well you see at various distances. It is the familiar eye chart test. The eye chart itself the usual one is called Snellen s chart is imprinted with block letters that line by line decrease in size, corresponding to the… …   Medical dictionary

• Acuity, visual — The clarity or clearness of the vision, a measure of how well a person sees. The ability to distinguish details and shapes of objects; also called central vision. The word acuity comes from the Latin acuitas = sharpness …   Medical dictionary

• acuity — [[t]ækju͟ːɪti[/t]] N UNCOUNT Acuity is sharpness of vision or hearing, or quickness of thought. [FORMAL] Caffeine gives a boost of energy and temporarily sharpens mental acuity …   English 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