Ключевые слова: adult, care, caucasian, check, clinic, concept, consultation, correction, diagnosis, diagnostic, doctor, equipment, exam, examination, eye, eyesight, female, health, healthcare, hospital, look, looking, male, man, measurement, medical, medicine, oculist, ophthalmologic, ophthalmologist, ophthalmology, optic, optical, optician, optometrist, optometry, patient, person, phoropter, professional, retina, sight, spectacles, technology, test, vision, visit, white, young,