On the road at night or on a tennis court at dusk, the eye can be deceived. Vision is not as sharp as in the light of day, and detecting a bicyclist on the road or a careening tennis ball can be tough.
Oct 17, 2012
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Chronic exposure to dim light at night can lead to depressive symptoms in rodents -- but these negative effects can be reversed simply by returning to a standard light-dark cycle, a new study suggests.
Jul 24, 2012
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Gene therapy for congenital blindness has taken another step forward, as researchers further improved vision in three adult patients previously treated in one eye. After receiving the same treatment in their other eye, the ...
Feb 8, 2012
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The human eye long ago solved a problem common to both digital and film cameras: how to get good contrast in an image while also capturing faint detail.
May 3, 2011
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