Ключевые слова: analysis, background, blur, blurred, care, clinic, copy space, diagnose, diagnostic, doctor, equipment, examination, examine, eye, eye test, eyesight, frame, glasses, health, healthcare, hospital, hyperopia, indoors, instrument, laboratory, lens, machine, medical, no people, object, ophthalmologist, ophthalmology, optical, optician, optometrist, optometry, patient, professional, refraction, selective focus, sight, specialist, spectacles, subjective, technology, test, treatment, trial, vision, visual,