Polarized lenses - small cards

 This special small card, use a lot, to the naked eye can't see anything, wear Cheap Prescription Sunglasses, you can see it or scenery or characters, to prove the sunglasses pervious to light performance is good, the human eye is good, but only for this way so polarized lens Womens Prescription Sunglasses, the so-called polaroid, not what lens of special materials, how to return a responsibility?

Simply put, light is refracted when it meets an object's surface, a process called polarization Sunglasses Online. Normally, when the sun's rays hit the lens surface, the light wave has a "grade" phenomenon on the mirror surface, that is to say, so all the light waves are transmitted in the same direction, so it can cause the common people to say "dazzle light", it is particularly dazzling, how to do that? People would think method, use special filtration membrane, the clip in the middle of the lens, to filter out the reflected light of dazzle light, this technique produces the Rx Sunglasses called polaroid, bring up good pervious to light, the mirror can underwater perspective, a glare caused by snow, ice, can still see the wet pavement, true color, good perspective, but the disadvantage is that the more expensive the mirror.