I have bought a brandless sunglasses, is there any method to test?!


Question:

I have bought a brandless sunglasses, is there any method to test?

whether its has UV protection which the product claims to have?
need to foolproof and relatviely cheap to prove, thanks!


Answers:

The only method I know is to call the opticals in your area and see if they have a UV meter and are willing to test it for you.




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