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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 ...
The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public. The UV index is designed as an open-ended linear scale, directly proportional to the ...
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.
The five ratings for transmittance (filter) under this standard are based on the amount of absorbed light, 0 to 4, with "0" providing some protection from UV radiation and sunglare, and "4" indicating a high level of protection, but not to be worn when driving.
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