Ключевые слова: background, care, chart, check, checking, clinic, consultation, correction, defect, diagnosis, diagnostic, diopter, doctor, equipment, exam, examination, eye, eyesight, frame, health, hospital, illness, isolated, lens, lenses, letters, measure, medicine, myopia, object, ophthalmic, ophthalmologist, ophthalmology, optical, optician, optometry, paper, problem, read, see, sight, snellen, symbol, test, treatment, trial, vision, visual, white,