http://ideas.eyeconx.net/story.php?title=tips-on-choosing-sunglasses Points to consider while choosing sunglasses: - Always look for sunglasses that block 99 or 100 percent of UV radiation thereby protecting your eyes. - Also see to it that the lenses are dark enough to filter out 75 to 90 percent of powerful sunrays that makes you squint. - The lenses should not cause eyestrain, headache, and give ugly wrinkles. ... Thu, 07 Jul 2011 14:47:30 EDT en