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Published online 27 January 2005 | Nature | doi:10.1038/news050124-13

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Cells see the light with melanopsin

Creation of light-sensitive cells could lead to treatments for blindness.

Roxanne Khamsi

Thanks to the rod and cone cells in our eyes, our brains can use light to build images. Recent studies identified a third type of cell that responds to light and dark.

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