Choosing sunglasses is a very tedious process, which requires patience and knowledge. Having ultraviolet screen does make a difference. UV radiation damages the skin around the eyes. It also affects the cornea. The other parts of the eye alongwith the lens also are affected UV exposure also is responsible for the manner in which cataract develops and this could also lead to degeneration of macular tissues. When you choose sunglasses, you should look for the right kind of UV protection.

Look for the labels on the products and read the details carefully. Choose sunglasses that block around 99 to 100 percent of UVB rays and UVA rays. Do not wear sunglasses that do not give much detail about the way they protect the UV rays. The degree and the colour of darkness in the sunglasses depend on the ability to block the UV rays.
You get wraparound sunglasses, which fit snugly and protect the eyes from all angles. There are standard prescription eyeglasses that give protection while maintaining a non tinted and clear appearance.

Some of the contact lenses give UV protection and they should be worn in combination with the glasses so that maximum protection is given. When you select sunglasses, UV protection is not the only requirement you should see. You have blue blocking lenses, which make the distant objects very easy to see. So whether you are in a haze or snow, these lenses are quite popular with boaters, hunters, skiers etc. Lenses also help to block the blue light and when you drive, you should be sure that you get the right kind of recognition.

Reflected glare and polarized lenses are good bets to provide perfect eyesight Sunlight usually bounces off the water, which is very useful when we ski, fish, or dive. Photochromic lenses help to lighten or darken the amount of light. All this takes a lot of time to adjust under varied conditions of light. Polycarbonate lenses offer great protection when you are involved with various sports activities. Light is reduced due to lenses that are mirror coated Gradient lenses are dark lenses, which are dark on the outside and lighter below. You could reduce the glare with the help of these gradient lenses. These are useful not only for sports but also for driving. Use double gradient lenses for winter wear and water sports.



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