What Are Polarized Sunglass Lenses?
Have you ever wondered what are polarized sunglass lenses? Sure, all sunglasses are protective eyewear designed to prevent the harsh sunlight from damaging and discomforting your eyes, but what's the difference between polarized and non-polarized (other than the price)?
The thing about sunglasses is that they come in different shades and tints, each designed to help fight against various light spectrums for various tasks. For example, yellow and gold tinted sunglasses help dim blue and green backgrounds, which makes it easier for people to see targets and objects. This is what's called polarization, and every pair of sunglasses is polarized to an extent. Polarizers are optical filters that pass specifically polarized light and block waves of other polarizations. They can convert a beam of light of undefined or mixed polarization into a beam with well-defined polarization, improving vision.
If you've asked ""What are polarized sunglass lenses?"" you know now that they're lenses specially designed to filter lights and make it easier to see in bright conditions, but chances are you're still wondering why they're so much more expensive. What benefit could make them cost so much?
The biggest benefit of polarized sunglasses is that they reduce glare, which is caused when the sun's rays reflect off of a solid surface or water. It reduces your depth perception, distorts your view, and even temporarily blinds you!
According to sunglass professionals, ""The chemical polarization filter on the sunglass lens contains molecules that are aligned horizontally and absorb horizontal light waves, while still allowing vertical rays to pass through."" Because they can block glare while providing the protection other sunglasses afford, people like to use their polarized sunglasses for everyday activities where clear vision is an absolute must, like driving, sports, and general outdoor work. This glare reduction is the biggest difference between polarized and non-polarized sunglasses.
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