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Last Updated: Thursday, 23 July 2015 17:03

Written by Dr. Donald H. Mershon

Summary: Although there are certainly many reasons that people engage in any potentially dangerous activity, looking at the sun without adequate protection may result – in part – from a misunderstanding of psychophysics. Specifically, many people fail to realize that how bright a light source appears is often a poor indicator of the actual amount of energy falling on the eye.

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