vision defect

Thesaurus

Noun

1.

vision defect - impairment of the sense of sight visual defect, visual disorder, visual impairmentamaurosis - partial or total loss of sight without pathology of the eye; caused by disease of optic nerve or retina or brainamblyopia - visual impairment without apparent organic pathologyametropia - (ophthalmology) faulty refraction of light rays in the eye as in astigmatism or myopiaaniseikonia - visual defect in which the shape and size of an ocular image differ in the two eyesanorthopia - distorted vision in which straight lines appear curvedaphakia - absence of the natural lens of the eye (usually resulting from the removal of cataracts)blindness, cecity, sightlessness - the state of being blind or lacking sightcolor blindness, color vision deficiency, colour blindness, colour vision deficiency - genetic inability to distinguish differences in huediplopia, double vision - visual impairment in which an object is seen as two objects; "diplopia often disappears when one eye is covered"disability, disablement, handicap, impairment - the condition of being unable to perform as a consequence of physical or mental unfitness; "reading disability"; "hearing impairment"day blindness, hemeralopia - inability to see clearly in bright lighthemianopia, hemianopsia - blindness in one half of the visual field of one or both eyesquadrantanopia - blindness in one fourth of the visual fieldmetamorphopsia - a defect of vision in which objects appear to be distorted; usually due to a defect in the retinamoon blindness, night blindness, nyctalopia - inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorderphotoretinitis - damage to the retina resulting from exposure of the eye to the sun without adequate protectiondetached retina, detachment of the retina, retinal detachment - visual impairment resulting from the retina becoming separated from the choroid in the back of the eye; treated by photocoagulationscotoma - an isolated area of diminished vision within the visual fieldtunnel vision - visual impairment involving a loss of peripheral visionxanthopsia - visual defect in which objects appear to have a yellowish hue; sometimes occurs in cases of jaundice

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