CRISTINA PEDRAZZINI / SCIENCE PHOTO LIBRARY CRISTINA PEDRAZZINI / SCIENCE PHOTO LIBRARY
Moon Braille. Hand of a blind person running over text written in Moon Braille. Unlike the more common, universal system devised by Louis Braille, Moon Braille letters are raised symbols that approximate the shape of printed letters. Invented by the Englishman Dr William Moon in 1845, who had lost his sight at 21, the alphabet is made up of 14 characters at various angles. Moon Braille is often taught to people who have lost their sight in later life, as it is easier to master than the standard system.
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