Alphabet pour aveugles.
A point system of writing in which patterns of raised dots represent letters and numerals.
System of printing for the blind using patterns of raised dots to represent characters.
System of writing for the blind. Letters are represented by a combination of raised dots on paper or other materials, which are then read by touch. It was invented in 1829 by Louis Braille (1809–1852), who became blind at the age of three.