Ключевые слова: aid, alpha, alphabet, blind, blue, blur, blurry, chart, check, checkup, correction, diagram, distortion, disturbed, doctor, dr, exam, examination, eye, eyeglasses, eyes, eyesight, frames, glasses, glaucoma, health, iris, lens, lenses, letter, look, medical, myopia, ophthalmology, ophthamology, optical, optician, optometrist, optometry, pupil, reading, see, sight, test, vision, visual,