vision defect

visual defect visual disorder visual impairment

disability disablement handicap impairment

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 double vision hemeralopia hemianopia hemianopsia metamorphopsia moon blindness night blindness nyctalopia photoretinitis quadrantanopia retinal detachment scotoma sightlessness tunnel vision xanthopsia