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What is the purpose of sunglasses?  Well, the primary reason would be to make sure that the eyes are as fully protected from the sun's harmful rays as possible . But how can you be so certain that your eyeglasses are providing you with the necessary protection?

When we go outside, sunglasses make life simpler and more pleasant by providing us with vital UV protection. The surface of your eyes can be harmed and your chance of developing eye diseases if you remain outside on a bright sunny day without wearing any sunscreen.