Genetics

With single gene insertion, blind mice regain sight

It was surprisingly simple. University of California, Berkeley, scientists inserted a gene for a green-light receptor into the eyes of blind mice and, a month later, they were navigating around obstacles as easily as mice ...

Ophthalmology

Q&A: When can cataract surgery wait?

Dear Mayo Clinic: I was just diagnosed with a cataract, but it's not bothering me at all. Is it a good idea to have cataract surgery now, or can I wait? What is the recovery from this surgery like?

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