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jcs007's avatar

Do our eyelids block out UV light?

Asked by jcs007 (1773points) June 17th, 2008 from iPhone
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2 Answers

Harp's avatar

Well, I found an abstract of a study that measured UV and visible light transmission through eyelids. It found that while up to 77% of visible light is transmitted, “negligible” amounts of UV make it through (the URL is extremely long, and the Fluther text editor won’t allow me to make a link out of it, but if you’re interested I’ll PM it).

marinelife's avatar

From an indoor tannin site (not what I would consider a definitive source comes this: “Your eyelids block less than 25% of the damaging rays. So keeping them closed when not wearing eye protection is not good enough!” On the other hand. state law mandates protective eyewear there.

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