Ключевые слова: background, black, blue, cataract, copy space, eye, eye pressure, eye problem, eyeglasses, eyes, eyesight, eyewear, far away, frame, glasses, health, hyperopia, illness, increase, isolated, lens, look, medicine, myopia, old age, ophthalmologist, optical, optics, optometrist, plastic, poor eyesight, prescribe, prescription, prescription glasses, prevention, protection, read, resort, see, sense organ, sight, spectacles, symptom, vision, world day of sight,