Ключевые слова: alphabet, background, blur, care, chart, check, closeup, concept, conceptual, diagnostic, equipment, exam, examination, eye, eyechart, eyeglasses, eyesight, eyewear, focus, frame, glasses, health, healthcare, lenses, letters, medical, medicine, myopia, nobody, object, ophthalmology, optical, optometrist, optometry, read, red, see, selective, sight, space, specs, test, text, vision, visual, white,