A quick guide to wear glasses why, when and where

He felt fashion statement sunglasses for decades, worn by celebrities and other famous people in a desperate attempt to hide their identity or to play the role of a movie star, while looking beautiful. Although this usage still exists, and increasingly aware of the importance of eye protection wear that does not mean price.
Although the sun is 93 million miles away, perhaps only because the harmful rays for a variety of health problems. Ultraviolet radiation radical (also known as ultraviolet or UV) and perhaps the largest shareholder of health problems based solar like this. UV-A, UV-B and UV-C UV classes are known to us at this time. Except UV-C (which is supposed to be absorbed by the ozone layer around the earth), these two rays short-term and long-term for your eyes and vision.

Now that you're a little more aware of why you need to learn more about the moment. For example, UV is reflected on the sidewalk, snow, sand and water, which causes an increased risk of damage to the environment as "green" as a park or field. Radiation in the case of thinking to reach you from two angles instead of one in a greener environment, as the rays bounce off the surface of the reflector, and more coming to you straight. And will wear sunglasses that offer UV protection to help protect your eyes when you are in such circumstances.

High altitude is another situation that must be worn sunglasses. UV is filtered through the Earth's atmosphere, which leads to less harmful rays converging with the earth's surface. In other words, the amount of productivity at high altitudes greater radiation because they have not had a chance to still be filtered.

Between the hours of 10 and 16 hours is the time of day when the UV rays in the most powerful, so protective eyewear is crucial during this time, if the sun is shining and glowing in the sky or hidden behind large amounts of clouds (if they are white and fluffy, dark and dingy). UV can penetrate easily in a blanket of clouds and rain to irreversible damage to the eyes.

Since you are now aware of the cases that require appropriate eye protection, you need a short list of what to look for when shopping for your pair of sunglasses is perfect. Typically, lenses that are green, brown or gray work better, with the advantage of the liquidation of at least 99% of UV-A and UV-B and 75% - 90% of visible light. Take care of your child brown, blue and green now ensure a lifetime of beautiful visions.