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Medical experts advise the public on the importance of wearing sunglasses to protect the eyes from UV; [26] for adequate protection, experts recommend sunglasses that reflect or filter out 99% or more of UVA and UVB light, with wavelengths up to 400 nm. Sunglasses that meet this requirement are often labeled as "UV400".
Kent Wang Keyhole $ at Kent Wang. Square sunglasses Blenders Canyon Black Tundra. Blenders was founded under the idea that the sunglasses market needed more mid-priced eyewear options that follow ...
The UVB range is 280 to 320 nanometers, and the UVA range is 320 to 400. Ecamsule protects against UV wavelengths in the 290–400 nanometer range, with peak protection at 345 nm. [ 4 ] [ 5 ] Because ecamsule does not cover the entire UV spectrum, it should be combined with other active sunscreen agents to ensure broad-spectrum UV protection.
Eye protection is protective gear for the eyes, and sometimes face, designed to reduce the risk of injury. Examples of risks requiring eye protection can include: impact from particles or debris , light or radiation , wind blast , heat , sea spray or impact from some type of ball or puck used in sports.
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Solar viewers manufactured prior to 2015 may have a three-year limit before they can no longer effectively filter out UV radiation and should no longer be used. Starting in 2015, products manufactured to meet the standards of ISO 12312-2 can be used indefinitely as long as they have not been damaged by scratches or tears.
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