Scientists have been working on a process of rebuilding eyes through artificial retinas for years now. It's a matter of replicating the pattern of the tissue. They've been repairing the retinas of mice- successfully. The damage repaired is quite astounding.
The next step is coordinating an effort with researchers to begin testing on humans. While this is always tricky as problems can arise, the outcome is definitely worth it, in my opinion. Perhaps the blind (or nearly blind) will finally be able to see.
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