Meaning of VISION DEFECT

WordNet Dictionary
	Definition:		[n]  impairment of the sense of sight
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	Synonyms:		visual defect, visual disorder, visual impairment
	See Also:		amaurosis, amblyopia, ametropia, aniseikonia, anorthopia, aphakia, blindness, cecity, color blindness, color vision deficiency, colour blindness, colour vision deficiency, day blindness, detached retina, detachment of the retina, diplopia, disability, disablement, double vision, handicap, hemeralopia, hemianopia, hemianopsia, impairment, metamorphopsia, moon blindness, night blindness, nyctalopia, photoretinitis, quadrantanopia, retinal detachment, sightlessness, tunnel vision, xanthopsia