blindness is one of the most difficult of human handicaps because our eyes are so important to our learning.
(a)one thing makes education possible and life more pleasant for the blind is the development of a system
(b)by which they are able to learn to read. since the blind cannot use their eyes, (c)they are taught to use the sense of touch in their fingers. (d)reading raised printed matter of the common type is very, very difficult. the special system now (e)used was invented by charles, and perfected by louis braille.

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