Ключевые слова: alphabet, astigmatism, background, black, blind, care, chart, check, diagnosis, diagnostic, doctor, equipment, exam, examination, eye, eyeglasses, eyesight, eyewear, focus, health, healthcare, isolated, letter, looking, medical, medicine, myopia, ophthalmic, ophthalmologist, optical, optician, optics, optometrist, optometry, patient, read, see, selective, sight, specs, test, text, view, vision, visual, white,