| In recent years, polarized sunglasses have become | | | | snow settings. Snow sports practitioners can take |
| very popular amongst joggers, golfers, bikers and | | | | advantage of the lenses’ glare reduction, but some |
| other outdoor sports enthusiasts. Polarized sunglasses | | | | experts argue that using polarized sunglasses, |
| were initially used by fishermen and boaters in order to | | | | especially while participating in high-speed snow sports |
| block the at-times intense glare caused by the sunlight | | | | like skiing, can be dangerous. Polarized lenses |
| reflecting off the water surrounding them. But it’s | | | | decrease visual contrast, which means they make it |
| not only outdoors sportspeople who can benefit from | | | | harder to distinguish shapes in the snow, like snow |
| this technology. Anyone who spends a lot of time in | | | | patches and other hazards. |
| the sun can use a little less glare. | | | | Also, liquid crystal display, or LCD, screens become |
| People who drive a lot, especially, can benefit from | | | | invisible when viewed at a certain angle through |
| using polarized sunglasses, since they are made | | | | polarized sunglasses. Today, LCDs are commonly |
| specifically to ward off glare coming from long, flat | | | | used in new ATMs and in-dash navigation systems on |
| surfaces, like roads. Also, people who are sensitive to | | | | cars. |
| intense light of any kind, like post-eye-surgery patients, | | | | But aside from these instances, polarized sunglasses |
| can use polarized sunglasses indoors to prevent injury. | | | | are a great tool to have handy. They come in all |
| How Polarized Lenses Work | | | | different kinds of style, so you can be sure to find a |
| When light is reflected off horizontal, flat surfaces it | | | | pair that you like. Photochromic polarized lenses are |
| becomes horizontally polarized. Polarized lenses are | | | | especially good for light-sensitive eyes. These lenses |
| made to be vertically oriented so that they deflect | | | | change from dark shades when outside to light |
| horizontally polarized light rays. This means that glare | | | | shades when indoors. Whether you’re an avid |
| from light reflected off flat surfaces is greatly reduced. | | | | golfer, biker, jogger, or simply like (or have to) spend a |
| One of the areas in which the benefit of polarized | | | | lot of time outdoors, try upgrading your glasses to |
| sunglasses is still being disputed, however, is their use in | | | | polarized shades. |