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The vision center

It takes about thirty minutes for eyes to optimize the night vision. But when it does it can see a single candle light from a distance of fourteen miles. This video describes such unique features of eyes. Edited by Ashraf

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Tags: The vision center

Uploaded by: ( Send Message ) on 26-11-2010. Dnatube suggest users to have interest in drug testing, mesothelioma, insurance, medical lawyers.

Duration: 3m 52s

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