Sun Savvy and sunglasses
by sue ingram
There seem to be many sites out there that have created great teaching tools for sun safety awareness. I liked this one I found while searching for something else - Sun Safety Alliance.
And of their daily tips, I found this one very interesting:
"Don’t be deceived by color or cost of Sunglasses! The ability to block UV light is not dependent on the darkness of the lens or the price tag. While both plastic and glass lenses absorb some UV light, UV absorption is improved by adding certain chemicals to the lens material during manufacturing or by applying special lens coatings. Always choose sunglasses that are labeled as blocking 99-100% of UV rays. Some manufacturers’ labels will say “UV absorption up to 400nm.” This is the same thing as 100% UV absorption. Look before you choose!"
I am not one for wearing sunglasses as I have believed them to be rather unnatural and wanting to rather help my eyes do what they're supposed to do than not allow them any sunshine at all. I am keen to know what other opinions there on this?
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