Ключевые слова: abstract, accessory, blind, blindness, blur, blurred, concept, correction, different, disease, eyeball, eyeglasses, eyepiece, eyes, eyesight, focus, frames, geek, glass, glasses, health, healthy, human, illness, keenness, look, looking, loss, medical, oculist, ophthalmic, ophthalmologist, optic, optical, perspective, plastic, problem, reading, red, see, sharp, sharpness, sickness, sight, spectacles, sunglasses, surgery, view, vision,