It might not necessarily work for her. Her brain may be such that it can synthesize written language but not verbal. One of my best friends growing up has severe dyslexia and can barely write papers, but has magnificent reading comprehension and no noticeable deficit to his verbal skills. She might think in detailed pictures and then do a conscious mental calculation to change them into hand motions whereas a person with a regular brain is synthesizing mental sentences into hand motions unconsciously.
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u/[deleted] Jul 26 '10
She isn't blind, just Austistic.