| BSCVA | Best spectacle corrected visual acuity |
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| NB | Normalized blur |
| blur | 1. To render obscure by making the form or outline of confused and uncertain, as by soiling; to smear; to make indistinct and confused; as, to blur manuscript by handling it while damp; to blur the impression of a woodcut by an excess of ink. "But time hath nothing blurred those lines of favor Which then he wore." (Shak) 2. To cause imperfection of vision in; to dim; to darken. "Her eyes are blurred with the lightning's glare." (J. R. Drake) 3. To sully; to stain; to blemish, as reputation. "Sarcasms may eclipse thine own, But can not blur my lost renown." (Hudibras) Synonym: To spot, blot, disfigure, stain, sully. Origin: Prob. Of same origin as blear. See Blear. 1. That which obscures without effacing; a stain; a blot, as upon paper or other substance. "As for those who cleanse blurs with blotted fingers, they make it worse." (Fuller) 2. A dim, confused appearance; indistinctness of vision; as, to see things with a blur; it was all blur. 3. A moral stain or blot. "Lest she . . . Will with her railing set a great blur on mine honesty and good name." (Udall) Source: Websters Dictionary (01 Mar 1998) |
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| spectacle | 1. Something exhibited to view; usually, something presented to view as extraordinary, or as unusual and worthy of special notice; a remarkable or noteworthy sight; a show; a pageant; a gazingstock. "O, piteous spectacle? O, bloody times!" (Shak) 2. A spy-glass; a looking-glass. "Poverty a spectacle is, as thinketh me, Through which he may his very friends see." (Chaucer) 3. An optical instrument consisting of two lenses set in a light frame, and worn to assist sight, to obviate some defect in the organs of vision, or to shield the eyes from bright light. 4. An aid to the intellectual sight. "Shakespeare . . . Needed not the spectacles of books to read nature." (Dryden) Synonym: Show, sight, exhibition, representation, pageant. Origin: F, fr. L. Spectaculum, fr. Spectare to look at, to behold, v. Intens. Fr. Specere. See Spy. Source: Websters Dictionary (01 Mar 1998) |
| spectacle eyes | A condition in rats caused by pantothenic acid deficiency, and possibly lack of inositol as well, in which a hairless ring of inflamed skin surrounds the eye's. (05 Mar 2000) |
| spectacle plane | The plane at which spectacles are worn. (05 Mar 2000) |
| spectacle blur |
the indistinct vision with spectacles occurring after removal of hard contact lenses, particularly non
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| spectacle blur |
Reduced vision noticed particularly with spectacles when contact lenses are removed
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