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NEI 40th Anniversary

Dry eye occurs when the eye does not produce tears properly, or when they evaporate too quickly. Dry eye can make it difficult to do some activities, such as using a computer or reading for an extended period of time, and it can decrease tolerance for dry environments, such as the air inside an airplane.

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This page was last modified in November 2009

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NEI Website Header Description: Confocal image of rat RPE layer two weeks after laser. A well-defined neovascular membrane labeled with Isolectin Ib4 (red) is detected below proliferating RPE cells (Phalloidin in green). New vessels are growing toward the subretinal space.