provide UV protection sunglasses

Sunglasses to go back as far as possible, in ancient Rome, according to reports, Nero watched Gladiator combat use polishing stones. Today the sunglasses not only keep our eyes from the sun, but they have also become a kind of fashion. After all, CSI Miami will not be the same without Horatio cane polarized sunglasses!
The price is not always decide the quality of a pair of sunglasses. Sometimes a pair of $seven, more than ten times the cost of the amount can be ultraviolet prevention have better. This is very important, to ensure that you have to buy Sunglasses 100% UV protection. They should be labeled as 100% absorption polycarbonate. Plastic lenses are often about 88%, effective, will be marked as CR-39R.
Long time exposure to ultraviolet radiation problem, it not only can damage the eyes, but it may also cause a variety of diseases of the eye. If you or macular degeneration and retinal dystrophy, you need to have a good anti-UV sunglasses on.
If you are a skier or on the surface of the water, spent a lot of time, you will need to get a pair of polarized sunglasses. The reflected light polarization actually prevents water and snow, at the same time reduce glare.
There are many different types include mirror glasses may not provide UV protection sunglasses. Check the label before you buy them.
If you are an avid golfer, you may want to buy sunglasses. They are gray and yellow hues, including a couple. Gray lenses will help to reduce the color shift and yellow lenses will help increase the amount of light, in a dull day.
You ride a motorcycle? Then you will be a pair of sunglasses, not only keep the glare of your eyes, but shatterproof and protect your eyes, flying rocks and other debris.