Ключевые слова: adjusting, attendance, background, care, check, checkup, child, clinic, consultation, corrective, device, diopter, doctor, equipment, exam, examination, eye, eyecare, eyeglasses, eyesight, focus, frame, glasses, health, healthcare, impaired, instrument, kid, lens, measurement, medical, medicine, myopia, object, oculist, old, ophthalmologist, ophthalmology, ophthalmoscope, optical, optician, optics, optometrist, optometry, phoropter, professional, refractor, science, sight, spectacles,