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UV Protection. When choosing a new pair of sunglasses, you should make sure that they provide 100% UV protection against both UVA and UVB rays. Otherwise, you can find yourself in a world of problems.
Check out the best sunglasses of the year, from everyday budget specs to bold designer frames. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 ...
Ray Ban Scuderia Ferrari. $230. Buy now . 3. Fossil Julian Rectangle Sunglasses. Offering 100 percent UV protection, Fossil’s Julian frames are a good pair of versatile sunglasses if you don’t ...
Recommended protection 0–2: Green "Low" A UV index reading of 0 to 2 means low danger from the Sun's UV rays for the average person. Wear sunglasses on bright days. If you burn easily, cover up and use broad spectrum SPF 15+ sunscreen. Bright surfaces, [26] sand, water, and snow, [18] will increase UV exposure. 3–5: Yellow "Moderate"
Ballistic sunglasses or prescription eyeglasses must meet the same requirements. In brief, the U.S. military standard requires that ballistic eyewear must be able to withstand up to a 3.8 mm (.15 caliber) projectile at 195 m/s (640 ft/s)) for spectacles and 5.6 mm (.22 caliber) projectile at 168–171 m/s (550–560 ft/s) for goggles.
A relatively new rating designation for sun protective textiles and clothing is UPF (ultraviolet protection factor), which represents the ratio of sunburn-causing UV measured without and with the protection of the fabric. For example, a fabric rated UPF 30 means that, if 30 units of UV fall on the fabric, only 1 unit will pass through to the skin.
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