HyperDic: vision_defect

English > 1 sense of the expression vision defect:
NOUNstatevision defect, visual impairment, visual defect, visual disorderimpairment of the sense of sight
English > vision defect: 1 sense > noun 1, state
Meaningimpairment of the sense of sight.
Synonymsvisual impairment, visual defect, visual disorder
Narroweramaurosispartial or total loss of sight without pathology of the eye
amblyopiavisual impairment without apparent organic pathology
ametropia(ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopia
aniseikoniavisual defect in which the shape and size of an ocular image differ in the two eyes
anorthopiadistorted vision in which straight lines appear curved
aphakiaabsence of the natural lens of the eye (usually resulting from the removal of cataracts)
blindness, sightlessness, cecityThe state of being blind or lacking sight
color blindness, colour blindness, color vision deficiency, colour vision deficiencygenetic inability to distinguish differences in hue
diplopia, double visionvisual impairment in which an object is seen as two objects
hemeralopia, day blindnessinability to see clearly in bright light
hemianopia, hemianopsiablindness in one half of the visual field of one or both eyes
metamorphopsiaA defect of vision in which objects appear to be distorted
nyctalopia, night blindness, moon blindnessinability to see clearly in dim light
photoretinitisdamage to the retina resulting from exposure of the eye to the sun without adequate protection
quadrantanopiablindness in one fourth of the visual field
retinal detachment, detachment of the retina, detached retinavisual impairment resulting from the retina becoming separated from the choroid in the back of the eye
scotomaAn isolated area of diminished vision within the visual field
tunnel visionvisual impairment involving a loss of peripheral vision
xanthopsiavisual defect in which objects appear to have a yellowish hue
Broaderdisability, disablement, handicap, impairmentThe condition of being unable to perform as a consequence of physical or mental unfitness
Spanishdefecto visual, deficiencia visual, problemas de visión, trastorno visual
Catalandeficiència visual, problemes de visió

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