Wednesday, February 8, 2012

If peoples skin can tan, does that mean the iris can also tan? is that why people wear sunglasses?

no, people wear sunglasses to protect their eyes from the sun. some people are very light sensitive, and bright lights may be physically painful. Melanin causes skin to tan, and I'm pretty sure there isn't any melanin in your eyes.

If peoples skin can tan, does that mean the iris can also tan? is that why people wear sunglasses?
Dear Jon



The sun can also damage your eyes. Ever heard of UV (ultra violet) protection???????


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