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How to determine the sunglasses uv protection performance

by:Eugenia     2020-08-22
Which season in buying sunglasses, sunglasses uv protection performance should not be ignored. That sales of sunglasses on the market, however, have different quality, how to pick a uv protection performance standards of the sunglasses? When consumer is buying sunglasses, could be determined by the uv values of the mark in the sunglasses sunglasses whether have uv protection performance and whether uv protection performance standard. If sunglasses uv value 400, suggests that sunglasses uv protection ability, if there is no less than 400 mark or mark is unqualified sunglasses. In addition, small make up recommend when the choose and buy sunglasses to wear did try the feeling of dizziness, headache. And to check the lens for scratch when buy, impurity, air bubble, stripes, also want to check packing for sunglasses, because regular sunglasses should be marked with name, color, diameter, quality levels, production factory name and trademark, the mirror or tags are marked as both UVA and UVB rays and CE mark. Glasses sunglasses factory network experts warm prompt you: the sunglasses that sells on the market for flat sunglasses, and sunglasses with a certain degree. Therefore, myopic friends when buying sunglasses need to guide glasses by professionals.
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