1) Braille lost his eyesight accidentally as a child.
P) In his days, the few books that were available for blind people were printed in big, raised type.
Q) After that he became a teacher.
R) The letters used were those of the ordinary alphabet.
S) Nevertheless, he was able to complete his education at a school for the blind in Paris.
6) Braille’s idea was to use raised dots instead of raised letters.