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Regardless of the style, sunglasses should protect your eyesight. Recent scientific advances have broadened our understanding of the eye and created materials to protect it.

The bright light of a cloudless day can be painful and annoying. As a result, most people wear sunglasses when they are outside, especially when driving. At the other end of the spectrum, fog and smoke reduce visibility.

Yellow lenses, popular over the last few decades, filter out the extra blue light scattered by low clouds, giving drivers a more balanced and clearer view of the road. Polarized sunglasses reduce glare from reflected light. You can find affordable branded sunglasses from various online stores.

Ultraviolet radiation (known as UVA and UVB in advertising) is known to be a contributing factor to cataracts and other eye problems. Look for a UV rating that blocks at least 70% UVA and 60% UVB rays. Excellent sunglasses claim to block 100% of both.

Another major hazard is impact damage. The flying debris ranges from disturbing(like dust) to threatening visions (including gravel kicked by a moving car). The Food and Drug Administration is the federal agency that sets the standards for impact resistance. The American National Standards Institute (ANSI) is a private organization dedicated to producing quality goods in the United States. "FDA Compliant" and "ANSI Compliant" are excellent benchmarks for all lenses. especially on sports eyewear.

Sunglasses are one of those elements where the highest price doesn't necessarily mean the best product: some designer sunglasses may not contain the protective elements your eyes deserve. 

Sunglasses Buying Tips Are Here!