Ключевые слова: acuity, astigmatism, background, care, chart, check, color, copy, correction, corrective, eye, eyecare, eyes, eyesight, farsightedness, flat, focus, frame, health, healthy, lay, medic, medical, medicine, myopia, nearsightedness, nobody, object, oculist, ophthalmologist, ophthalmology, optic, optical, optometry, sight, space, test, text, top, treatment, trial, view, vision, yellow,