here is no cure for glaucoma, the second-most common cause of blindness (after cataracts), but a new study offers hope that it might not always be so. In lab mice, combining two very different therapies let the animals see again — at least partially.
Glaucoma is caused by damage to the optic nerve, which connects the eye to the brain. The optic nerve is part of the central nervous system, which is notorious for failing to recover from injuries. That’s why spinal neurons that get crushed in an accident don’t bounce back.
Scientists have put a lot of effort into figuring out how to make neurons recover, and are still searching for a cure for diseases that result from nerve damage, like spinal trauma or glaucoma.
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