Ключевые слова: astigmatism, background, blind, care, caucasian, chart, clinic, cornea, diagnosis, diagnostic, dispensing, dispensingoptician, doctor, examination, eye, eyeglasses, eyesight, farsighted, female, glasses, health, human, hyperopic, lens, longsighted, medical, medicine, oculist, ophthalmic, ophthalmicoptician, ophthalmologist, ophthalmology, optic, optical, optician, optometrist, optometry, pairofspectacles, patient, physician, retina, sight, slitlamp, specs, spectacles, test, treatment, vision, visual, woman,