Ключевые слова: access, accessibility, awareness, blind, blindness, button, crossed, disability, disabled, discrimination, eye, eyeball, flat, forbid, forbidden, glance, graphic, hidden, hide, human, icon, impaired, interface, invisible, isolated, language, letter s, looking, medical, no, observe, off, one, ophthalmology, optical, password, prohibition, pupil, search, sight, sign, status, symbol, unseen, view, viewing, visibility, vision, watch,