Ключевые слова: binocular, care, case, check up, checkup, clinic, closeup, contact, cornea, detect, device, diopter, equipment, exam, eye, eyesight, focus, glasses, health, healthcare, horizontal, instrument, lab, lens, machine, measure, medical, no people, nobody, observation, observe, ocular, ophthalmologist, ophthalmology, optic, optical, optician, optometrist, optometry, phoropter, refractor, science, screening, shortsighted, sight, technology, test, treatment, vision, visual,