Now scientists - at the University of California, San Francisco, and Cincinnati Children's Hospital Medical Center - believe that body-penetrating light can alter the development of the eye, at least in mice.

BBC: Light in womb 'gives healthy eyes' - in mice

A.T. mice, now available for pre-order in three eye-catching new colors.

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In his lab, he has cured mice "10 times over" in work funded by the National Eye Institute.

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