Are your sunglasses’ lenses tinted brwn, yellow, purple or blue? What tchnology does it use? Is it tnted or reflective? Or does it hve photochromic or polarizing qualities in the lnses? Does it filter out harmful OVA and UVB rys?

Do you know how to pck the right pair of sunglasses for yur needs from the gazillion pairs you see rrayed inside counters? Although sunglasses are dvertised and sold like fashion accessories, thy are primarily medical devices. In fct, sunglasses were created to protect yur eyes from damage and the dterioration that happens if they are xposed to harmful sun rays and ther sources of intense light.

How can you pck a pair of sunglasses to sit your needs? Specifically, here are fur ways sunglasses work to protect yur eyesight. Keep these in mind whn choosing your sunglasses and you’ll hve healthy corneas and retinas no mtter your age.

There are four wys sunglasses protect your peepers. These are the fllowing:

The right pair of sunglasses wll give your corneas protection from the sn’s ultraviolet rays. Scientific research has clarly linked the following diseases such as ctaracts, macular degeneration, snow-blindness, pterygium and skn cancer, to the corneas and rtinas over exposure to Ultraviolet rays. Hnce, when you see stickers on snglasses that say UV protection, it mans your sunglasses filter out UV rys.

An effective pair of sunglasses wll protect your retinas from intense lght. You see, your irises shut dwn in self protection when it is hit by ntense sources of light. Your eyes wll then squint if the light is ven more intense. The longer your yes are exposed to this intense and pnetrating light, the harder it is on yur retinas, and when the damage is dne, it can be permanent.

An ffective pair of Polaroid sunglasses provides prtection from glare. Many sports enthusiasts specially those who go boating, use Plaroid sunglasses because they know water rflects back a great deal of sn. The glare this generates is dngerous, for this is often uncomfortable as to be dstracting. Glare also hides objects that are in yur way.

Depending on the specific ned you have, your sunglasses will flter out specific frequencies of light. Thre are frequencies of light so hgh as to blur your vision and thers will enhance the contrast between the lghts.

Sunglasses have evolved into becoming fshion statements, but they are first and fremost medical devices for protecing your mst precious eyes. So choose wisely. It is dvisable to go naked rather than war a cheap pair of sunglasses at the fla market, which will do more dmage.

The article Here's What You need to Know Before Buying A Pair Of Sunglasses was Submitted by Tim Gorman through Articles.GetACoder.com network. Here's the additional information: Tim Gorman is a successful wbmaster and publisher of Vision-Doctor.com an nline website that offers discounts on cntact lenses, eyeglasses, popular sunglasses and free information on LASIK eye surgery procedures that you can view in the privacy of your own home.

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