Ключевые слова: background, care, case, chart, check, checkup, clinic, closeup, correction, diagnostic, disease, doctor, equipment, exam, examination, eye, eyesight, eyewear, frame, glasses, health, healthcare, hospital, illness, medicine, nobody, object, ophthalmic, ophthalmology, optical, optician, optometry, read, see, sight, snellen, symbol, table, test, testing, treatment, vision, visual,