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DuBnt Men's Polarized discoloration Sunglasses Sturdy Metal Frame Hinges UV Resistant Scratch Anti-Oil Anti-Finger Easy to Clean (Black, light grey)
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About DuBnt Men's Polarized Discoloration Sunglasses
How to choose sunglasses is correct? UVA band, wavelength 320 ~ 400nm, UVD band, sunlight contains more than 98% of long-wave ultraviolet light can penetrate the ozone layer and the clouds reach the earth's surface, in the sun's UV energy distribution, UVA is 15 times UVB, is to make the skin The main reason for sunburn is UVA which can reach the dermis of the skin. When choosing sunglasses, UV400 is required to be blocked if UV400 is the standard. In addition to the color of the lens, the material of the lens has a great influence on the eyes. Polarized lenses are made of lightweight and precise synthetic resin like contact lenses. Currently, sunglasses are relatively ideal choices. Sunglasses are mainly used to prevent ultraviolet rays from damaging the eyes. UV rays may induce corneal opacities, cataracts, and pterygium.
