In summer, it’s important to distinguish between sunglasses and polarized lenses

u003cbru003eUnknowingly, summer is here again, how can you lose a pair of' target='_blank'>sunglasses in the sun bathing season. So when the dears are all about to buy glasses, they often encounter the introduction of polarizers by the merchants, and get confused. Because polarizers and sunglasses look exactly the same, what is the difference? YC9703 Women's sunglasses C3 black/colorful blue polarizers and sunglasses. Introduction: We all know that the main purpose of sunglasses is to protect against UV rays, in other words That is to say, the sunglasses we often say are colored glasses used to block sunlight and ultraviolet rays, generally brown or green. However, in our lives, in addition to sunlight and ultraviolet rays, glare is more harmful to the eyes. It will fatigue our eyes and affect the clarity of vision. These glare can not be eliminated by ordinary sunglasses. Thoroughly filter out through a polarizer. The color of polarized glasses is mainly dark gray. In fact, polarizers are considered to be a category of sunglasses, but polarizers belong to the relatively high-end category of sunglasses. Polarizers have an effect that ordinary sunglasses do not have. This effect is to effectively block and filter out all kinds of polarized light that are harmful to the eyes. The so-called polarized light is the irregular reflected light produced when light passes through uneven roads, water surfaces and other places, also called glare. When these rays of light irradiate human eyes directly, it will cause discomfort and fatigue in the eyes, and cannot see objects for a long time, and the clarity of the objects seen is obviously insufficient. Therefore, the main difference between polarized lenses and sunglasses is: Filtering glare Ray-Ban RB2180-F Men’s sunglasses 6229/7E Violet/purple polarized lenses and ordinary sunglasses. Polarized lenses look the same as ordinary sunglasses. The method that caused the bad business to take the opportunity to trap, then how should we identify it when we buy it? 1. Stack two polarized lenses vertically. If there is no light, it means that it is a real polarizer, because the special design of the polarized lens only allows Parallel light passes through the lens, so when two lenses are stacked vertically, most of the light will be blocked. 2. Find an ultraviolet currency detector lamp, one hundred yuan. Directly illuminate the renminbi and you can see 100 yuan renminbi UV anti-counterfeiting. If there is a lens with UV400 function, no anti-counterfeiting can be seen. 3. You can also go to the bottom of the sun for a specific experience. In the sun, polarized lenses will be significantly more comfortable than ordinary sunglasses. Related reading: Polarized Sunglasses Polarized Lenses
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