Ключевые слова: astigmatism, background, beauty, care, chart, check, closeup, concept, correction, diagnostic, doctor, exam, examination, eye, eyeglasses, eyesight, eyewear, glasses, health, healthcare, hospital, lens, letter, medical, medicine, myopia, object, oculist, ophthalmologist, ophthalmology, optical, optician, optometrist, optometry, pen, pointing, read, see, shop, sight, silver, snellen, spectacles, table, test, treatment, view, vision, visual, white,