Ключевые слова: 20s, 3d, bar code, black, blank, business people, caucasian, chart, computer, computer graphic, concept, conference, copy space, cornea, day, digital, digitally generated, disability, eye test, eyeball, eyelash, eyelid, eyes, eyesight, female, gray, gray eye, holding, human body part, human eye, human skin, identity, in a row, indoors, information medium, interface, line, looking, number, optical, optician, parallel, part of, sense, sensory perception, side by side, sight, sitting, speech, spiral notebook, standing, striped, table, talking, tech, unity, vision, watching, white, woman, world sight day, young adult,