Ключевые слова: accessibility, alphabet, blind, blindness, book, braille, communicate, communication, day, disability, disabled, education, embossed, eyesight, finger, hand, handicapped, health, healthcare, impaired, impairment, international, invalid, language, learning, literature, loss, page, paper, patients, person, read, relief, school, script, service, sight, sightless, social, student, symbol, system, text, textured, touch, vision, visual,