Night writing visited the National Institute for the Blind in Paris, France, where he met Louis Braille. Braille identified the major failing of the code, which was that the human finger could not encompass the whole symbol without moving and so could not move rapidly from one symbol to another. His modification was to use a six-dot cell, the Braille system that revolutionized written communication for the visually impaired. Night writing Night writing, a.k.a. sonography, was a system of code that used symbols of twelve dots arranged as two columns of six dots embossed on a square of paperboard, and is now
National Federation of the Blind these students can read print effectively; some are multiply impaired and cannot learn to read at all; but the NFB believes that many more than the six percent of the blind children currently learning to read Braille could be taught to read if parents and educators were committed to doing so. An even smaller percentage of adults losing vision are encouraged to learn Braille. The NFB maintains that these adults are functionally illiterate when they are no longer able to read print effectively and Braille instruction has not been made available to them. Some graduates of NFB rehabilitation programs report