Says CRSPR will never be able to fix damaged people that exist, just the next generation.
and here is a story on the regeneration they discuss in the thread
http://www.sciencenews.org/article/anemone-proteins-offer-clue-restoring-hearing-loss
CRSPR alone won't but that doesn't mean that it's not possible to use a virus to get a gene into existing people. Gene therapy for issues in the eye is already working: https://en.wikipedia.org/wiki/Gene_therapy_of_the_human_retina
If it's worth saying, but not worth its own post, then it goes here.
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