Sunglasses have been considered a fashion statement for decades, worn by celebrities and other famous folks in either a desperate attempt to conceal their identity or to play the movie star role, all while looking fabulous. Even though this usage still exists, more and more average people are realizing the importance of wearing them to protect their invaluable eyesight.
Even though the sun is over 93 million miles away, its harmful rays can be the sole cause of an assortment of health problems. Ultra violet radiation (also known as UV radiation or UV rays) is probably the largest solar-based contributor to such health problems. UV-A, UV-B and UV-C are the categories of UV radiation known to us at this time. With the exception of UV-C (which is believed to be absorbed by the ozone layer around the earth), these rays can have both short and long term effects to your eyes and your vision.
Now that youre a bit more aware of why, you need to know more about when. For instance, UV rays reflect off of snow, sand, pavement and water, causing a greater risk for damage than in a greener environment, like a park or field. The rays in a reflective situation will be...