- vision visual acuity
- 视觉,视敏度,视力
Medical Chinese dictionary (湘雅医学词典). 2013.
vision visual acuity
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Visual acuity — 20/15 and 20/15 vision redirect here. For other uses, see 2020 (disambiguation). Typical Snellen chart used for visual acuity testing. Visual acuity (VA) is acuteness or clearness of vision, which is dependent on the sharpness of the retinal… … Wikipedia
visual acuity — 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
Visual acuity — 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. * * * visual acuity n the … Medical dictionary
Visual acuity test — 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
visual acuity — noun sharpness of vision; the visual ability to resolve fine detail (usually measured by a Snellen chart) • Syn: ↑acuity, ↑sharp sightedness • Derivationally related forms: ↑sharp sighted (for: ↑sharp sightedness) … Useful english dictionary
Test, visual acuity — 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
visual acuity — sharpness of vision: the degree to which a person is able to distinguish and resolve fine detail. The essential requirements are a healthy retina and the ability of the eye to focus incoming light to form a sharp image on the retina. Acuity of… … The new mediacal dictionary
visual acuity — Ophthalm. acuteness of the vision as determined by a comparison with the normal ability to define certain letters at a given distance, usually 20 ft. (6 m). Abbr.: V. [1885 90] * * * … Universalium
visual acuity — vis′ual acu′ity n. oph acuteness of the vision as determined by a comparison with the normal ability to identify certain letters at a given distance, usu. 20 ft. (6 m) • Etymology: 1885–90 … From formal English to slang
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
