How to determine the UV protection performance of sunglasses

u003cbru003eNo matter in which season you buy sunglasses, the UV resistance of sunglasses cannot be ignored. However, the quality of sunglasses sold in the market varies. How can we choose a sunglasses with UV protection? When consumers buy sunglasses, they can use the uv value mark on the sunglasses to determine whether the sunglasses have UV protection and whether they meet the standard. If the uv value of the sunglasses is 400, it means that the sunglasses' UV protection ability is up to standard. If there is no mark or the mark is less than 400, it is unqualified. In addition, the editor recommends that everyone wear sunglasses when shopping for dizziness and headaches. And when buying, check the lens for scratches, impurities, bubbles, stripes, and also check the outer packaging of the sunglasses, because the regular sunglasses should be marked with the name, color, diameter, quality level, manufacturer name and trademark, mirror or tag It is marked with anti-UVA, UVB and CE marks. Experts warmly remind you: The sunglasses sold on the market are flat sunglasses, and myopia sunglasses have a certain degree. Therefore, myopic friends need to be guided by professionals when buying sunglasses.
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