Writing for the blind (7)
I believe the answer is:
braille
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">writing for the blind</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for braille that I've seen before include "type of relief" , "Touching language" , "Uneven writing" , "French educationist" , "System of writing for sightless people" .)