Other hyponyms of visual impairment include
amaurosis,
amblyopia,
ametropia,
aniseikonia,
anorthopia,
aphakia,
blindness,
cecity,
sightlessness,
color blindness,
color vision deficiency,
colour blindness,
colour vision deficiency,
diplopia,
double vision,
day blindness,
hemeralopia,
hemianopia,
hemianopsia,
quadrantanopia,
metamorphopsia,
moon blindness,
night blindness,
nyctalopia,
photoretinitis,
detached retina,
detachment of the retina,
retinal detachment,
scotoma,
xanthopsia.