Ключевые слова: adult, caucasian, checked, dioptric glasses, expertise, expression, eyeglasses, eyes, eyesight, eyewear, face, focus, glasses, gray, hand, head, holding, intelligence, leaning, lens, look, looking, male, man, manager, object, oculist, ophthalmology, optic, people, person, portrait, putting on, reading, see, serious, sight, spectacles, thinking, through, uncertainty, view, vision, watch, white, worker,