News tagged with optic nerve

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Scientists solve mystery of the eye

(PhysOrg.com) -- Scientists have a good overall understanding of human vision: when light enters our eyes, it is focused by the lens and strikes the retina in the back of the eye. The light causes some of ...

dateNov 17, 2011 in Biochemistry feature
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Birds 'See' Earth's Magnetic Field

When birds migrate over long distances -- sometimes thousands of miles -- they usually end up in exactly the same place year after year. Such accurate feats of navigation, accomplished by millions of birds ...

dateNov 16, 2009 in Plants & Animals
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Artificial retina helps some blind people

For two decades, Eric Selby had been completely blind and dependent on a guide dog to get around. But after having an artificial retina put into his right eye, he can detect ordinary things like the curb and ...

dateFeb 14, 2011 in Medical research
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