| You've been told your entire life that sunglasses are | | | | ahead of you. Good sunglasses can completely |
| important. You know that they protect your eyes, | | | | eliminate this kind of glare using polarization. |
| block out the sun's ray and prolong good vision. But | | | | Light waves vibrate just like sound waves do. When a |
| have you ever wondered how these miracle shades | | | | group of light waves come together but are traveling in |
| do all of that? Of course not, but you should learn. | | | | different directions, a glare occurs. When you are |
| Sunglasses basically do four things for you, aside from | | | | blinded by a glare off of the water or another vehicle's |
| completing a killer outfit. It is important to know what | | | | windshield, what you are seeing is a traffic jam of light |
| these things are and how they are done to ensure | | | | waves. Polarization filters built into sunglasses are |
| your sunglasses are doing their job. | | | | made up of molecules that realign the light waves with |
| As you probably already know, sunglasses provide | | | | each other and eliminate the glare. |
| protection from ultraviolet rays in sunlight. UV rays can | | | | As noted before, Sunglasses can eliminate specific |
| cause serious damage to the corneas, and a good | | | | frequencies of light. Certain light frequencies can cause |
| pair will shield 100% of these rays. A protective coating | | | | blurred vision, while other frequencies enhance contrast |
| on the outside of sunglasses acts as a kind of filter. | | | | between colors. Choosing the right color for your |
| While it allows light through, it helps to filter out the | | | | sunglasses lets them work better in specific situations. |
| radioactive light waves that can lead to so many | | | | Yellow, gold, amber and brown tinted sunglasses are |
| dangers to your eyes. | | | | especially good for blocking out blue light. Blue light is |
| Possibly the most prevalent purpose sunglasses serve | | | | the color of light in the spectrum that scatters and |
| is to provide protection from intense light. Intense | | | | causes blurred perception. While the yellow shades |
| sunlight can cause you to squint, a natural reaction to | | | | can make the rest of the world look a different color, |
| too much light entering the eyes. If squinting does not | | | | you will see most clearly and detailed through them. |
| provide enough protection, damage to the cornea can | | | | Green tinted sunglasses are better for filtering some |
| occur next. This is especially common when outside in | | | | blue light and reducing the occurrence of glares. They |
| the snow without your sunglasses. The white of the | | | | also offer the highest contrast and greatest visual |
| snow reflects and magnifies the intensity of the light. | | | | sharpness of any other colored lens. For this reason, |
| The tinting of your sunglasses will help determine the | | | | green sunglasses are very popular. Rose colored |
| amount of light your eyes will be exposed to. As there | | | | shades and purple tints offer the best contrast of |
| are different types of light, all the colors of the rainbow, | | | | objects against a green or blue background and make |
| different shades of lenses will protect in their own | | | | great sunglasses for hunting or water skiing. |
| ways. Gray and almost black tinted lenses will offer | | | | Now that you know how sunglasses work you can be |
| the greatest amount of protection from intense lights | | | | a responsible consumer. Know what to look for when |
| while avoiding distortion of most colors that you see. | | | | choosing your sunglasses. It is not a bad idea to have |
| Another quality sunglasses carry is something we are | | | | more than one pair around for different reasons. This |
| all most likely thankful for. They can provide protection | | | | is especially true if you spend a lot of time outdoors on |
| from glare. Water and other shiny looking surfaces | | | | a variety of activities. Be responsible about your eyes |
| can produce a glare. These glares can block out other | | | | and learn to protect your vision while it's still yours to |
| objects, like a car turning out of a parking lot just | | | | protect! |