How to look good or bad polarized sunglasses

2021/08/23
u003cbru003eThe lenses of polarized sunglasses are different from ordinary sunglasses. Polarized sunglasses can not only block the uncomfortable glare, but also protect the eyes from ultraviolet rays. The lens of polarized sunglasses can darken after the sun's rays come in, but when the illumination is reduced, it becomes bright again. There are many polarized sunglasses on the market. How do you distinguish between good and bad? Ray-Ban RB4225 Men’s Sunglasses 646/55 Transparent Polarized Sunglasses What is the role? How to distinguish? Polarized sunglasses use its characteristics to block harmful light, because the sun is no matter what Touching any object will produce harmful glare due to natural reflection or refraction. Polarized sunglasses can completely absorb these glare that can cause dazzling and eye damage. Polarized sunglasses have the function of polarizing light, so they can block all harmful light without affecting the transmission of visible light, which can truly protect the eyes. 1. Polarization test card. The easiest way is to use a polarized light test card to test whether the glasses have a polarization effect. Generally, a polarized light test card is attached to the polarized glasses case. If there is no polarized light test card, you can try the following method. 2. Display test method. Combining the polarization principle of the polarizer and the display principle of the display screen, when viewing the display screen through rotating polarized glasses, the screen will appear black. This is caused by the polarizer filtering the light in a single direction of the screen. And because the display screen can be seen everywhere, this is also the most feasible way to distinguish the polarizer. Ray-Ban RB3532 Men's Sunglasses 001/68 Gold Generally speaking, sunglasses with polarized light function are better, but it depends on the specific situation. Although there are a lot of polarized lenses, they also have disadvantages. Although it can filter out many irregular light interference and avoid glare, glare and other phenomena, if the curvature of the lens itself cannot be in the optical optical standard refractive state, the polarization effect will be weakened and the authenticity of the image will be affected. (Related Reading: Look at Polarized Sunglasses Dialectically) Related Reading: Polarized Sunglasses
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