Ключевые слова: background, black, blue, care, chart, check, checkup, clinic, closeup, correction, diagnostic, disease, doctor, exam, examination, eye, eyeglasses, eyesight, frame, glasses, health, healthcare, hospital, illness, lenses, letters, light, look, measure, medical, medicine, metal, object, ophthalmic, ophthalmology, optical, optician, optometry, plastic, read, see, sight, snellen, stylish, symbol, test, treatment, vision, visual, white,