Ключевые слова: aid, blue, care, clean, clear, close, closeup, contact, correct, correction, defect, eyes, eyesight, farsightedness, finger, focus, glasses, lens, lense, macro, myopia, objects, one, ophthalmology, optical, optician, optics, optometrist, optometry, permeable, portable, see, shortsightedness, sight, sighted, skin, soft, solution, sterile, transparent, up, vision, visual, white,