1. Introduction of Braille in the Arab world

Physically, Braille is a “universally accepted system of writing used by and for blind persons and consisting of a code of 63 characters, each made up of one to six raised dots arranged in a six-position matrix or cell” (Encyclopedia Britannica II, 465). Content-wise, Arabic is a six-dot tactile copy of its schwarzschrift (normal ink print). The system is divided into the alphabet a…