Polarized sunglasses can be divided into cycling goggles, skiing goggles, fishing goggles, polarized driving goggles, outdoor sports goggles, and golf goggles according to their usage.

Polarized sunglasses can be divided into glass material polarized sunglasses, resin material polarized sunglasses, and TAC lens material polarized sunglasses according to the material. But when wearing polarizers, it is important to choose high-quality optical lenses.

The meaning of UV standard refers to the perception range of light by the human eye, which is 380~780nm (i.e. visible light), while ultraviolet refers to light with a wavelength below 380nm (i.e. invisible light). The meaning of UV380 is that it can effectively block light with wavelengths below 380nm. The UV400 standard also blocks a portion of visible light, resulting in a loss of color.

How to determine if sunglasses are polarized? There is no difference in appearance between polarized and nonpolarized sunglasses, so how should we determine whether sunglasses are polarized or not?

When determining whether sunglasses are polarizers, you can rotate them 45 ° clockwise and upwards. If the color of the lens changes at this time, and the color returns to normal after turning the sunglasses back to their original position, then it can be determined that this type of sunglasses is polarized. If no matter how it is rotated, the color change of the sunglasses cannot be seen, then it can be determined that this type of sunglasses is not polarized.