peripheral vision, cataracts, reflexes, binocular vision, nearsightedness, macular degeneration, visual acuity, retinitis pigmentosa, retinas, visual impairment, manual dexterity, profoundly deaf, presbyopia, optic nerve, glaucoma, kidneys, blindness, sight, prosopagnosia, dexterity, astigmatism, deafness, optician, achromatopsia, corneal transplant, retinal detachment, corneas, sightedness, nystagmus, bifocals, detached retina, retinitis, amblyopia, retinal, disfigurements, penmanship, degenerative disorder, neurological, optometrist, visually impaired, eyeglasses, hemianopia, blood sugar, presbycusis, deformity, congenital disorder, condition, gait, glasses, squint, vision, otosclerosis, genetic disorder, retinopathy, limbs, macula, expressive aphasia, inner ear, anisometropia, polydactylism, photoreceptors, dyslexia, senility, hyperacusis, keratoconus, dysphasia, thyroid, exotropia, neuropathy, lipreading, cerebral palsy, monocular vision, vestibular, heart murmur, entropion, startle reflex, forgetfulness, ophthalmologist, arthritis, uremia, photosensitivity, eyedrops, eye, overbite, farsightedness, tinnitus, legibility, cavefish, liver, dentition, physique, hyperopia, penlight, brain, dysgraphia, hypotonia, ataxia, scoliosis, eyelids, opthalmologist, amusia, fovea, discernment, nourishment, stamina, likeness, foresight, grasp, intellect, intelligence, luck, vitality, willpower, sanity, seeing, suppleness, virility, ear, endurance

astigmatism, astigmia, exceedingly, impaired, inherit, myopia, nearsightedness, primate, sharp-eyed, shortsightedness, stigmatism

visual modality, visual sense