In strong summer sunlight, many people wear Cheap Oakleys Frogskins Sunglasses Outlet sunglasses. Anti- reflective protective lenses, color lenses, color coated lenses, polarized lenses, color lenses...... colorful sunglasses face of the market, some people tend to buy only their favorite color and style, completely ignoring the role of anti-UV sunglasses.
What kind of glasses to sun glasses do not hurt? Experts have warned that if no sunscreen sunglasses may hurt the eyes. When the eye glare and UV rays encounter no obstacles, the light will go directly to the pupil, thereby causing injury to the eyes. Sunglasses applied in different ways (such as polarized light, color, coating, etc.) play a role in blocking ultraviolet rays. Sunglasses have been able to block ultraviolet rays and glare, because the lenses add a layer of special coating.
Be sure to buy Discount Oakleys Flak Jacket Sunglasses Cheap sunglasses to regular stores, at the time of purchase, to look for "100 % UV ", "UV400", “UV" and logo on the packaging.
The experts suggest mentioned lens color blindness prevention and treatment of American trade unions, in general, the best choice for summer, brown and brown lenses, and outdoor sunlight is more intense, more should choose dark sunglasses. One reason is that these color lenses for glare, UV absorption and filtration better; the other is brown lenses can provide a good sense of color vision, able to clearly distinguish between colors after wearing, tinted lenses are able to block surface smooth and shining light radiation, in the glare of the sun can see the subtle part of the object, the driver the best choice tinted glasses. The market is also good selling green glasses, can reduce the level of visible light entering the eye, especially dark green, but also to absorb heat. The blue, pale yellow and tiffany and co outlet pink lenses are not suitable to wear in bright light because they are weak antireflective