How to choose best sunglasses?

When purchasing sunglasses, check the quality of the lens first, which should be able to withstand high temperatures, otherwise it will cause dizziness.

Second, when you choose sunglasses, you should get a normal reading distance to see if the sunglasses are deformed,because deformed sunglasses are not suitable for eye wear.

Third, you shoulder choose the best lens color for eyes protection such as dark grey, brown or black.

Last, it’s best to choose the UV-resistant products or polarized sunglasses, because polarization can withstand many irregular lights and then can well protect your eyes.