Ключевые слова: alphabet, blurry, body, bright, caucasian, chart, clear, concept, correction, exam, eye, eyeglasses, eyesight, eyewear, focus, frame, glasses, hands, healthcare, hold, holding, isolated, lens, letter, male, man, medicine, number, object, one, ophthalmology, optometry, pair, palm, part, person, single, studio, vision, white,