Sunglasses have been considered a style statement for years, used by celebs and other popular folks in either a desperate attempt to conceal their identity or to play the movie star role, all while looking fantastic. Even though this usage still exists, increasingly more average people are recognizing the importance of using them to protect their invaluable vision.
Although the sun is over 93 million miles away, its harmful rays can be the sole reason for an assortment of health issues. Ultra violet radiation (likewise understood as UV radiation or UV rays) is probably the biggest solar-based factor to such health issue. UV-A, UV-B and UV-C are the classifications of UV radiation known to us at this time. With the exception of UV-C (which is believed to be soaked up by the ozone layer around the earth), these rays can have both brief and long term results to your eyes and your vision.
Now that youï ¿ 1/2 re a bit more familiar with why, you need to know more about when. For instance, UV rays show off of snow, sand, pavement and water, triggering a higher danger for damage than in a ï ¿ 1/2 greenerï ¿ 1/2 environment, like a park or field. The rays in a reflective situation will be coming at you from two angles rather of the one in a greener environment, as the rays will bounce off of the reflective surface area in addition to coming at you straight on. Wearing sunglasses that provide you UV defense will assist to secure your eyes when in this kind of circumstance.
High altitude is another situation for which sunglasses need to be worn. UV rays are strained through the earthï ¿ 1/2 s atmosphere, leading to lesser quantities of the hazardous rays converging with the earthï ¿ 1/2 s surface. Basically, high elevations yield a higher quantity of the rays since they havenï ¿ 1/2 t had the chance to be filtered yet.
Between the hours of 10 am and 4 pm is the time of day when the UV rays are their most powerful, so protective glasses is vital throughout this timeframe, whether or not the sun is brilliant and beaming in the sky or hidden behind large amounts of clouds (both white and fluffy and dark and gloomy). UV rays can easily leak through the cloud cover and rain to wreak its irreversible damage on your eyes.
Since you now understand the scenarios that demand proper eyewear protection, you need a brief list of what to look for when looking for your perfect pair of sunglasses. Usually, lenses that are green, brown or grey work the very best, combined with a function that filters out of a minimum of 99% of UV-A and UV-B radiation and 75% – 90% of visible light. Taking care of your infant blues, browns and greens now will ensure you a life time of beautiful visions.