In your life, you can find a lot of gentle places that develop hazardous lighting, particularly sun light sunlight emits three types of gentle: apparent light,sunglasses wholesale， infra-red lighting, and ultra-violet light.
Among them, ultra-violet rays may cause critical damage to man skin area, view, and so on. IR infrared sun rays inside the light released with the sun will damage the body if open to sunlight for a long time. UVB has serious effects on vision and may burn your skin. The majority of the corners of your own eyes absorb this UVB light-weight, so make sure you obstruct this source of light.
Polarized sun glasses have a polarizing function, which could prevent all harmful light-weight without impacting the transmitting of obvious gentle, really guarding your eye area.
like：
Comparison of Regular Sunglasses and Polarized Sunglasses