| All your life you have heard about the importance | | | | blinding if you don't wear sunglasses and can even |
| of sunglasses. You are probably aware that they | | | | cause accidents. Good sunglasses shield eyes |
| are used to protect your eyes, blocking them | | | | from this kind of glare. |
| from sunlight and preserving your vision. But do | | | | Just as sound waves vibrate so do light waves |
| you know how sunglasses actually do all that? | | | | and when a group comes together, the result is a |
| Apart from complementing your look, they work | | | | glare. If you get blinded by glare off water or |
| in four different ways. You should learn what | | | | glass (like the windshield of a car), you see a |
| these are and make sure that your sunglasses | | | | combination of light waves. There are polarization |
| are actually doing the work they are meant to. | | | | filters which are used in the lenses of sunglasses |
| Ultraviolet rays are present in sunlight and these | | | | which realign the waves and thus get rid of the |
| can cause damage the corneas. Sunglasses help | | | | glare. |
| give your eyes protection from the dangerous | | | | Sunglasses can eradicate particular light |
| UV rays, and good ones give your eyes 100% | | | | frequencies which can cause vision to blur or |
| protection. A coating is put outside the lenses of | | | | change colors. Therefore selecting the correct |
| the sunglasses which acts as a UV filter. It allows | | | | color of the lenses of the sunglasses helps them |
| light to pass through, so you can see, but blocks | | | | protect your eyes in different conditions. |
| out the UV light which can harm your eyes. | | | | If you want to block out blue light, then you |
| The most common reason people wear | | | | ought to be wearing sunglasses whose lenses are |
| sunglasses is to get protection from the glare of | | | | yellow, gold, amber or brown. Blue light is the |
| sunlight. Powerful sunlight can make you close | | | | major color which causes blurred vision. Even |
| your eyes or narrow them, thus causing a squint. | | | | though yellow lenses have a tendency to distort |
| This is a natural reaction which protects the | | | | other colors, their benefits far outweigh their |
| corneas. It is not just bright sunlight which can | | | | disadvantages. |
| cause damage, but also glare from the snow, | | | | Similar to yellow lenses, green lenses also filter |
| because snow reflects the sunlight highly | | | | blue light and help in protecting eyes from glare. |
| intensified and magnified, so it can be even more | | | | Their higher contrast features and the fact that |
| dangerous. | | | | they offer great visual sharpness also make them |
| Sunglasses are tinted according to your | | | | extremely popular. Other colored lenses are rose |
| requirements, based on how much light protection | | | | and purple, and they give the best contrast and |
| is needed. Just as there are different types of | | | | protection in the green or blue background. That is |
| light, the various shades of the lenses of | | | | why they are good for hunting and water skiing. |
| sunglasses also protect your eyes in their differing | | | | If you know exactly what to look for in |
| ways. Among the good lens colors are gray and | | | | sunglasses you can protect your eyes from |
| almost black which give the most protection from | | | | damage better, whether it is UV light or glare. |
| powerful light, at the same time not distorting | | | | Because you probably carry out different |
| colors. | | | | activities it makes good sense to own more than |
| Of utmost importance is the fact the sunglasses | | | | a single pair of sunglasses which can be used in |
| safeguard your eyes from glare. The sunlight | | | | different situations. That way you will not only be |
| reflects off water and shiny surfaces which | | | | responsible and aware consumer, but also protect |
| amplify the light and cause glare, which can be | | | | your vision. |