Ключевые слова: aid, background, body, care, diopter, equipment, exam, examination, eye, eyesight, eyewear, glass, glasses, health, healthcare, instrument, lens, measurement, medical, modern, ophthalmic, ophthalmologist, ophthalmology, optical, optician, opticians, optics, optometrist, optometry, phoropter, sight, still, store, technology, vision, visual, white,