Search Result - Discount Eyeglasses

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Search Results: 4 results in 0.0048 seconds.

Highland Mills started a topic I am wondering if my old sunglasses can block UV rays?

in Prescription Sunglasses

04-27-2013, 10:10 PM
I am wondering if my old sunglasses can block UV rays?

I've heard that some sunglasses have only tinted glass and do not actually block or reduce UV rays. Because they are darker, our pupils widen and end...

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Kirkland started a topic What color of sunglasses is best to prevent UV rays?

in Prescription Sunglasses

04-21-2013, 10:15 AM
What color of sunglasses is best to prevent UV rays?

What should be the color of the lens of sunglasses to prevent UV rays to the maximum?

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Kinzua started a topic Which brand of sunglasses protect the eyes from the UV rays best?

in Prescription Sunglasses

04-21-2013, 10:11 AM
Which brand of sunglasses protect the eyes from the UV rays best?

I ride a lot and I am exposed to the sun most of the time.My eyes get burning when I wear ordinary sunglasses.

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Francis started a topic What are photochromic lenses made of?

in Photochromic Lenses

11-24-2012, 11:03 PM
What are photochromic lenses made of?

I just wonder what photochromic lenses are made of and cause the lenses to change color under UV rays. Can you explain it?

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