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Polarized Sunglasses Explained

Polarized Sunglasses Explained

 You might have come across or heard about polarized sunglasses before, but maybe wondered what they are or how they work or better yet, why people are paying extra for them. This post will examine everything polarized sunglasses, what “polarization” precisely means and why these sunglasses cost an arm – perhaps even a leg to acquire.

 What Does “Polarized” Mean?

 Firstly, polarized sunglasses are not your ordinary, run of the mill eyewear. They are relatively unique, quality eyewear aptly designed to shield your eyes from the destructive glare of the sun from surfaces such as glass, snow or water. That explains why they’re often recommended for driving, and particular sports since they enhance visibility, making the wearer see clearly from afar hence steering clear of potential hazards.

 Glare is not just detrimental it also makes it harder to distinguish objects in front of you as it overly distorts their actual form and color. Boaters and fishermen have often been using these sunglasses [since time immemorial] given that they spend much time at sea where reflected glare from the sun surrounds them. But now people have discovered the value of specialized eyewear particularly in offering UV protection and are spending money on them.

 Polarization

 Put simply their popularity has soared, and there’s no finer eyewear anywhere. Today’s market is awash with polarized sunglasses, which are often dark; a sign of higher levels of polarization. Light is said to be polarized when the sun’s light waves vibrate and are aligned into one or more planes of direction, and this happens regardless of whether light waves are refracted, scattered, reflected or even transmitted from an artificial light source such as a light bulb or natural source as in the sun.

 So polarization occurs both artificially and naturally. Natural polarization can often be seen at a lake when there’s enough sunshine. Devoid of specialized eyewear, you cannot see anything below the surface of the lake even when the water is quite clear. Why? Because the glare that’s being reflected off the surface of the lake doesn’t go through the “filter” of the water. But with sunglasses that are polarized, you can see through the water despite the glare.

 Benefits of Polarized Lenses

 Many people have often wondered why polarized lenses come with a pricey price tag. Well, that’s because they entirely reduce the glare of the sun and in turn enhance visibility. If you play golf, or do a lot of fishing or are engaged much in driving, you’ll find these sunglasses useful.

 Besides glare reduction, polarized lenses are suitable for reducing eyestrain and in particular during summer when the sun’s glare always stresses your eyes. It blocks the damaging UV rays and keeps your eyes feeling comfortable. UV protection is the essential part of these lenses.

 Also, the lenses have better visual contrast compared to conventional sunglasses. The darker polarized sunglasses are, the higher the levels of polarization. The contrast improves even more especially when the lenses block the effect of the glare.

 There are numerous other reasons why the cost of polarized eyewear can cripple your wallet including improving vision clarity, UV protection, the color perception of lenses, and also increase in light sensitivity. Before purchasing these sunglasses ensure they are in indeed polarized and not conventional, standard lenses.

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