Polarized sunglasses are designed to reduce glare, enhance clarity and contrast, and are generally the most popular choice. Polarization is achieved through the lens manufacturing process with horizontal lines that block light in a similar manner to window blinds. To test if your sunglasses are polarized, simply rotate your head 90 degrees to the side and look at a computer screen. If the screen darkens, the lenses are polarized.
Are polarized sunglasses better? Polarized sunglasses are more desired for normal daily use, but they aren't always the right choice. For example, pilots should not wear polarized lenses as they can make LCD screens and gauges invisible.
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