Just What Is UV Protection On Sunglasses And Why Is It Important

Sunglasses are great in more ways than one.industry is UV400 - across the board - which
They can compliment your appearance whileprotects the eyes from 98 per cent of the sun's
preventing you to have to squint while outside onultraviolet rays. And statistics based on testing
a sunny day. But sunglasses are not simply aresults from inexpensive sunglasses as compared
fashion accessory to be taken lightly. They areto the more expensive brands show that even
actually of major importance for protecting oursunglasses in the $5 and below range, provide the
eyes from the sun's UV rays which can lead tosame amount of protection as the more costly
diseases of the eye when exposed to them overvarieties. So, the good news is, you don't have to
time.pay more for the best level of protection. And
The ultraviolet radiation element in sunlight isfor those who wear prescription sunglasses,
divided in two basic areas - UVA and UVB.something else you might be interested in
Sunglasses block both of these types of rays.knowing is that the UV level is the same for both
What exactly is UVA and UVB you ask? Well,those and the store bought versions.
UVA represents the ultraviolet radiation thatAnd for even further comfort and assurance, you
passes through the Earth's ozone layer, reachesmight be happy to know that sunglass
our skin and can lead to premature aging. UVBmanufacturers have to follow certain FDA
are also ultraviolet rays, but are absorbed, inregulations. They have to comply with impact
great amount, by the ozone layer. Still, they arerequirements - not saying that sunglasses must
very harmful and can contribute to the cause ofbe completely shatterproof, but that they will at
skin cancer and cataracts.best, withstand a moderate impact. Sunglass
The lenses of a pair of sunglasses should be darkmanufacturers also have to follow labeling
enough to reduce the glare of bright light, but notregulations. No doubt if you've ever bought a pair
so dark that they distort colors in objects, andof sunglasses in your lifetime, you've had to peal
obviously not so dark that they inhibit your vision.that removable sticker off the front of one of
The point is that as long as the lenses arethe lenses either before you put them on or
properly tinted, your eyes will be protected. Youafterward when you realize that something's
don't have to go 'crazy' looking for lenses that areobstructing your view.
so dark that they not only block out the sun's UVThey say you get what you pay for. Well, if you
rays, but block out the actual sun itself.pay for a pair of sunglasses, you're paying for
The standard UV protectant level in the sunglassgood eye health.