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Best Sunglasses for UV Radiation Protection

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Getting healthy eyes may be as simple as wearing your sunglasses!

The sun’s primary danger is Ultraviolet (UV) radiation. UV radiation is a component of solar radiation, but it can also be given off by artificial sources like welding machines, tanning beds and lasers.
Best-Sunglasses-for-UV-Radiation-Protection
Most people are aware of the harm UV radiation can do to the skin, but many may not realize that exposure to UV radiation can harm the eyes or that other components of solar radiation can also affect vision.

If your eyes are exposed to excessive amounts of UV radiation over a short period of time, you are likely to experience an effect called photokeratitis, which is like “sunburn of the eye”.

Photokeratitis may be painful and include symptoms such as red eyes, a foreign body sensation or gritty feeling in the eyes, extreme sensitivity to light and excessive tearing. Fortunately, this is usually temporary and sometimes permanent damage to the eyes.

Long-term exposure to UV radiation can be more very serious. Scientific studies have shown that exposure to small amounts of UV radiation over a period of many years increases the chance of developing a cataract and may cause damage to the retina, a nerve-rich lining of the eye that is used for seeing.

The longer the eyes are exposed to solar radiation, the greater the risk of developing later in life such conditions as cataracts or macular degeneration. Since it is not clear how much exposure to solar radiation will cause damage, the AOA recommends wearing quality sunglasses that offer UV protection and wearing a hat or cap with a wide brim whenever you spend time outdoors. Also, certain contact lenses can provide additional UV protection.

To provide adequate protection for your eyes, sunglasses should:

 

  • Block out 99 to 100 percent of both UV-A and UV-B radiation;

  • Screen out 75 to 90 percent of visible light;

  • Have lenses that are gray for proper color recognition

  • The lenses in sunglasses should be made from polycarbonate

 

Remember to always wear eye protection, to reduce the effects of UV radiation.

About The Author

Rand Eye Institute - Excellence in Ophthalmology. Having Earned a Reputation as one of the most advanced eye surgery centers in the world, Rand Eye Institute is dedicated to excellence in ophthalmology. Connect with Google+
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