Ключевые слова: alphabet, background, care, chart, check, clinic, closeup, correction, diagnostic, diopter, disease, doctor, equipment, exam, examination, eye, eyeglasses, eyesight, eyewear, glasses, health, healthcare, hospital, illness, lenses, letters, look, measure, medical, medicine, myopia, object, ophthalmic, ophthalmologist, ophthalmology, optical, optician, optometry, problem, read, see, sight, snellen, symbol, test, treatment, vertical, vision, visual, white,