Ключевые слова: accessibility, alphabet, background, blind, blindness, book, braille, communicate, communication, cure, day, disability, disabled, disease, education, eyesight, finger, font, hand, handicapped, health, illness, impairment, international, language, learning, letter, literature, page, paper, person, point, problem, read, reading, relief, script, sheet, sightless, sign, student, studying, symbol, system, text, textured, touch, visual, woman, written,