nyctalopia

noun 0.712

legal blindness

noun 0.704

color blindness

noun 0.690

colour blindness

noun 0.689

blindness

noun 0.678

snow-blindness

noun 0.650

snow blindness

noun 0.642

sightlessness

noun 0.614

myopia

noun 0.607

nearsightedness

noun 0.595

achromatopsia

noun 0.592

amblyopia

noun 0.588

amaurosis

noun 0.588

presbyopia

noun 0.580

dark night

noun 0.579

darkness

noun 0.579

light pollution

noun 0.577

river blindness

noun 0.575

photophobia

noun 0.574

blind

noun 0.573

short-sightedness

noun 0.572

nocturnal

noun 0.570

blindsight

noun 0.563

retinitis

noun 0.560

protanopia

noun 0.559

deafness

noun 0.556

deuteranopia

noun 0.555

night

noun 0.555

tritanopia

noun 0.555

bad eye

noun 0.554

black nightshade

noun 0.554

xerophthalmia

noun 0.554

nighttime

noun 0.553

nightlight

noun 0.552

albinism

noun 0.552

photosensitivity

noun 0.547

dimness

noun 0.547

xeroderma pigmentosum

noun 0.546

blackout

noun 0.543

dead of night

noun 0.542

narcolepsy

noun 0.536

retinopathy

noun 0.532

glaucoma

noun 0.532

blackness

noun 0.531

lack of sleep

noun 0.531

farsightedness

noun 0.528

bad light

noun 0.528

insomnia

noun 0.528

blinding

noun 0.527

sleep disorder

noun 0.527

white night

noun 0.527

nocturia

noun 0.526

deafblindness

noun 0.523

sightedness

noun 0.523

early night

noun 0.522

near vision

noun 0.521

nocturn

noun 0.520

sleeping sickness

noun 0.519

myopic

noun 0.519

sleep deprivation

noun 0.518

hyperopia

noun 0.514

eyesight

noun 0.513

presbyopic

noun 0.513

night watch

noun 0.513

nightfall

noun 0.513

direness

noun 0.512

hysterical blindness

noun 0.512

semidarkness

noun 0.510

hypopigmentation

noun 0.506

nocturne

noun 0.503

ophthalmia neonatorum

noun 0.503

dry eye

noun 0.502

sleeplessness

noun 0.501

anemia

noun 0.501