Ключевые слова: alphabet, background, blind, blindness, book, braille, brochure, communicate, communication, disability, dots, education, eyesight, finger, guide, help, human, impaired, impairment, information, language, learn, letter, literacy, literature, macro, metal, object, page, paper, raised, read, see, sense, sight, sightless, symbol, text, texture, touch, type, visual, visually, words, write, writer,