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First light: Vision restored in blind mice

Regenerating nerve fibers from the retina (shown in red) are seen coming into the dorsal lateral geniculate nucleus, a principal visual relay area of the brain. Some kinds of vision loss are...

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Immune cells “sculpt” brain circuits — by eating excess connections

The above movie shows an immune cell caught in the act of tending the brain—it’s just eaten away unnecessary connections, or synapses, between neurons. That’s not something these cells, known as...

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Stopping blindness: The drug-eluting contact lens

(Credit: John Earle Photography) Growing up, my grandmother’s eyes were always a problem. For years, she was losing her central vision to glaucoma, and numerous surgeries and treatments did not seem...

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Drug-eluting contact lens offers hope in glaucoma

Contact lenses ringed with a drug-bearing polymer film provided gradual, sustained drug release in this preclinical study, potentially offering an alternative to eye drops. Daily medicated eye drops...

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