BSIP, ASTIER / SCIENCE PHOTO LIBRARY BSIP, ASTIER / SCIENCE PHOTO LIBRARY
Braille. Man translating a page of braille text, which he is feeling with the fingers of his right hand, into written words. The braille writing and reading system was devised by the French teacher Louis Braille (1809-1852), who himself was blinded at the age of three. It is a universally accepted system that enables blind people to have access to written language. It consists of a sequence of cells, each of which contains a pattern of raised dots that can be sensed by touch through the fingers. Different patterns of dots represent letters, numbers, punctuation marks and several short words.
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