Ключевые слова: acuity, adult, astigmatism, background, blue, care, caucasian, closeup, concept, contact, correction, corrective, daily, defect, doctor, eye, eyecare, eyesight, eyestrain, face, farsightedness, finger, hand, health, lens, lifestyle, macro, male, man, medic, medical, medicine, myopia, nearsightedness, oculist, ophthalmologist, ophthalmology, optic, optometry, person, prescription, pupil, putting, sight, soft, treatment, vision, wearing, young,