Could you please let me know why the polarized sunglasses used for?

[Pine Hills]

Could you please let me know why the polarized sunglasses used for?What is the advantages of polorized sunglass?

[Pine Island]

The polarized sunglasses are used for blocking the harmful rays including UVR,glare light,reflected light and scale light. So this kind of sunglasses are suitable for driving,fishing,travelling and so on. The polarized sunglass can’t affect the visible light to get through.It can truly protect our eyes.