Polarized sunglasses are sunglasses that are specially made to protect the eyes from glare and excessive exposure to the sun.
Exposure to the sun can pose serious problems such as sunburns to the skin and eyes. Sunlight reflecting off of smooth water, snow or flat roads can create glare which is not only annoying but can often be dangerous. Blinding sun glare can cause accidents, snow blindness and can even sunburn your eyes. Long term exposure to sun glare has been known to cause cataracts. Thankfully, polarized lenses can shield you against the dangers of intense glare.
photo credit: allaboutvision
The Benefits of Polarized Sunglasses
A virtually invisible filter can be built into lenses to eliminate the amount of reflecting light that enters the eye. Polarized lenses not only reduce glare, they make images appear sharper and clearer, increasing visual clarity and comfort. polarized lenses can be worn indoors by light-sensitive people, including post-cataract surgery patients and those continually exposed to bright sunlight through windows.