Ключевые слова: acuity, astigmatism, background, care, chart, check, color, copy, correction, corrective, examination, eye, eyeglasses, eyesight, farsightedness, grey, health, lens, lenses, light, medic, medical, medicine, myopia, napkin, nearsightedness, nobody, object, oculist, ophthalmologist, ophthalmology, optic, optical, optometry, paper, prescription, read, sheet, sight, space, table, test, text, top, view, vision, white,