Ключевые слова: background, blue, care, clean, clear, color, contact, copy, correct, correction, diopter, disposable, eye, eyesight, eyewear, glass, health, hygiene, hyperopia, lens, lenses, lifestyle, medical, medicine, myopia, nobody, object, ophthalmology, optical, optics, optometry, pair, personal, see, shadow, sight, soft, space, sterile, surface, text, treatment, two, vision, white,