Ключевые слова: care, case, chart, clinic, copy, cornea, correction, corrective, device, diagnosis, diopter, equipment, examination, eye, eyeglasses, eyesight, focus, glasses, health, healthcare, impairment, instrument, isolated, lens, machine, measure, measurement, medical, medicine, microscope, ophthalmologist, ophthalmology, optic, optical, optician, optometrist, optometry, patient, phoropter, science, sight, sighted, spectacles, test, treatment, vision, visual,