Ключевые слова: background, care, cataract, celebration, check, concept, copy space, correction, cure, date, day, diagnosis, diopter, disease, eye, eyesight, flat, glass, glasses, glaucoma, health, international, lens, letters, medical, medicine, october, ocular, oculist, ophthalmic, ophthalmologist, ophthalmology, optic, optical, optician, optometry, poster, reading, retina, science, sight, simple, treatment, view, vision, visual, white, word, world,