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Polarized sunglasses have been popular for years for boaters, fishermen, skiers, bikers, golfers and joggers and so on . Many people might ask what are polarized sunglasses? Why they become popular? What are the differences between polarized sunglasses and normal sunglasses?
In our life, there are lots of harmful light from many different light sources, especially sunlight. Sunlight is including visible ray, infrared ray, ultraviolet ray and so on. Among these rays, Ultraviolet ray can cause serious damage to human skin, eyes. Ultraviolet ray is including UVA, UVB, UVC(310mm). Inside Blue Ray, UVA, UVB, UVC are harmful rays.
If exposure to those rays for too long time, it will cause damage to the body. UVB has serious effect on vision. Most eye corners absorb this type of ray. So we must block out this kind of light source to protect our eyes.
Polarized sunglasses have the function of polarizing light, so they can block all harmful light without affecting the visible light, and can really protect the eyes. In addition to the basic anti-ultraviolet function, polarized sunglasses also have anti-glare, avoid road reflection and water scale, etc.
Normal sunglasses normally use for light reduction, because their lens can’t filter light, it can only reduce the intensity of glare, ultraviolet ray, etc., and can’t completely block these harmful rays. But the biggest advantage of the normal sunglasses is trendy.
Due to the polarized nature, Polarized sunglasses can completely block the dazzling glare caused by various factors such as scattering, inflection, and reflection. At the same time, it can completely block the ultraviolet ray that is harmful to the human eye, so that when the person is active under strong light, the eyes are not that easily get tired, and the function of true protection is achieved, and the visible things can be made clearer and more three-dimensional.
Please have a look at the following picture to see how polarized sunglasses lens color change according to the sun.
That is why boaters, fishermen, skiers, bikers, golfers and joggers(outdoor sporter) and so on become the most users of the polarized sunglasses.