Ключевые слова: accessibility, alphabet, black, blind, blindness, book, brail, braile, braille, closeup, disability, disabled, document, dots, education, finger, font, hand, handicap, handicapped, illness, impaired, impairment, invalid, language, learn, learning, letter, literature, man, page, paper, point, read, reading, relief, script, sheet, sight, sightless, sign, surface, symbol, system, text, texture, textured, touch, touching, written,