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Some Do's And Don't In Choosing Polarized Glasses

By: Charles White

Do you find yourself squinting due to the brightness of the sun?

Our eyes are one of, if not the most, vulnerable organs we have. We use it everyday but rarely remember to protect it.

The ultraviolet radiation, or UV, from the sun damages not only the skin but also the eyes. Exposure to UV rays does not only causes sunburn of our skin, it also causes sunburn of the cornea, or what is called photokeratitis, which lasts for two days at most. Long-term exposure to UV causes cataracts and other eye problems.

The sun's glare is another problem. It affects our vision, causing light reflections from surfaces like water and even from hood of cars. Glare impedes our vision. Glare causes eyestrain, headaches or migraines.

As sunscreen is necessary for the protection of the skin, so are sunglasses to the eyes. But not just any sunglasses. Ever heard of polarized sunglasses?

Just like other sunglasses, polarized sunglasses prevent UV rays and avoid brightness, but more effectively than any other sunglasses. Polarized glasses can eliminates the sun's glare when it bounces off of reflective surfaces.

Polarized sunglasses absorb the sun's glare, which is reflected from flat surfaces. Writer Steve Wolfson notes that polarized sunglasses absorb up to 97% of the glare. Trevor Kugler informs that while regular sunglasses minimize the intensity of light that enters the lenses, polarized sunglasses eliminate selective parts of the reflected light, reducing brightness. For instance, polarized sunglasses can selectively eradicate the reflection of sunlight from the water's surface. Eye fatigue is lessened because less harmful light is reaching the eyes. This kind of glasses are fit for outdoor sports and even those who have eye problems on long-distance vision.

Trevor Mulholland advises that it is effective to use polarized sunglasses rather than ordinary sunglasses. He explains that wearing polarized lenses blocks glare while letting some light come through so you can see clearly in bright light without squinting. According to him, other sunglasses do have dark lenses as well, but they have to go through a process where they are given a special coating so they will be able to filter unwanted light. Using polarized glasses will allow you to see images clearly, with colors that are true and natural.

Polarized sunglasses have some disadvantages. According to Jennifer Bailey, using polarized sunglasses makes it harder to read displays from a liquid crystal display or LCD, whose screens are found in many places like automated bank machines. She says that certain angles and images from LCD monitors may not be seen using polarized glasses. Max Bellamy notes that wearing polarized sunglasses may prevent you from noticing relief features on snow, as it blocks several of the light rays reflecting from it.

Polarized sunglasses, you may choose lenses with anti reflective and hydro repellant coatings. They may have a pouch or cleaning cloth, an unbreakable and lightweight frame. They may have temples constructed with air channels that let them float if you lose the glasses in water. The glasses may have a rimless design that provides an unobstructed view of the world. Lens can also be changed, from dark to light, depending on changing conditions. If the sky is bright, you use the dark lenses. During cloudy days when you need more light to see clearly, you use light colored glasses.

How do you find polarized sunglasses at a low price online? Mike Herman suggests that you thoroughly check the background information of an online source. See if anyone has made a complaint against the seller or their products. Look out for potential rip offs or scams. Watch out for sites that dramatically reduce prices on items to move excess merchandise. They generally have great deals. So snap them up as you see them advertised. Some items are in high demand and in low stock. If you find one and you like it, purchase it.

Article Source: http://www.myarticlesdirectory.com

POLARIZED GLASSES: Haber Vision conveys the greatest experience in the outdoors with its best selection of quality goggles and sunglasses. If you are going on golfing, skiing, snowboarding, and fishing, Haber Vision features you just the right type of sunglasses for your eyes' protection.

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