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refractive
(redirected from Refractive error)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
re·frac·tion  (r-frkshn)
n.
1. The turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different optical density.
2. Astronomy The apparent change in position of celestial objects caused by the bending of light rays entering Earth's atmosphere.
3. Medicine
a. The ability of the eye to bend light so that an image is focused on the retina.
b. Determination of the refractive characteristics of the eye.

re·fraction·al, re·fractive adj.
re·fractive·ly adv.
re·fractive·ness, refrac·tivi·ty (rfrk-tv-t) n.
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refraction
refraction of light;
i: angle of incidence;
r: angle of refraction

refractive [rɪˈfræktɪv]
adj
1. (Physics / General Physics) of or concerned with refraction
2. (Physics / General Physics) (of a material or substance) capable of causing refraction
refractively  adv
refractiveness , refractivity [ˌriːfrækˈtɪvɪtɪ] n
ThesaurusLegend:  Synonyms Related Words Antonyms
Adj.1.refractive - of or relating to or capable of refraction; "the refractive characteristics of the eye"
2.refractive - capable of changing the direction (of a light or sound wave)
crooked - having or marked by bends or angles; not straight or aligned; "crooked country roads"; "crooked teeth"
Translations
refractive [rɪˈfræktɪv] ADJrefractivo
refractive
adj material, surfacebrechend
refractive [rɪˈfræktɪv] adjdi or della rifrazione
refractive constant → indice m di rifrazione costante


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Determination of the magnitude of refractive error in each eye * Measurement of the surface of the cornea by "mapping" its topography (corneal curvature or shape), to find irregularities, if any, and to screen for disease states (e.
The major causes of blindness in Aboriginal adults were revealed as cataracts (32 per cent), followed by refractive error (14 per cent), optic atrophy (14 per cent), trachoma (nine per cent) and diabetic eye disease (nine per cent).
Refractive error is a failure of the eye to correctly focus an image onto the retina.
 
 
 
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