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Wednesday, October 9, 2013

Difference Between Sunglasses Lens Types

By Catalina Nielsen


Sunglasses are considered to be an expensive accessory but in reality this is not true at all because they also act as a protection against direct sunlight getting exposed to your eyes. Its significant that you should be familiar with sunglasses lens types because when buying a new pair of glasses, you must have the capacity to make the an excellent choice in this regards.

Not many people are aware of the fact that direct exposure to sunlight for a long period of time can damage your eye sight. Eyes are the most sensitive part of your body and also the most vital organ. Therefore, if you know that you will be in the sun for extended period of time you should make sure that your eyes are fully protected throughout the time.

When it comes to lens types, there is difference in terms of the type of protection they provide. Standard regular lenses can only provide you with minimum amount of protection against sun rays. On the other hand, good quality lenses like polarized lens have other qualities as well. The standard lenses have a uniform tint all over them which doesn't provide much protection against harmful sunlight.

Polarized lenses are tinted in a manner that parallel lines run crosswise over the entire lens which helps in deflecting the sunlight as it reaches lens surface. Therefore you should be specific about choosing the right lenses if the decision is accessible to you so that they are more adequate in providing protection to your eyes all the times.

Besides these common differences, there are much advanced features that are associated with sunglasses such as the anti reflection coating. This coating contains metal oxides which eliminate the risk of direct exposure to sun. Both sides of the lens is covered with this specific coating in layers form. The layers form a blockage against the harmful light reflections that can cause severe problems to human eyesight.

Panchromatic lens is also quite popular when it comes to eye protection. These type of lenses change their color when exposed to bright or increased light. Depending on the color and tint you choose the lens can change its color from being light grey to dark grey or light green to dark green.

UV protection is another important feature that the sunglasses lenses should have. UV or commonly known as ultra violet rays are exposed directly from the sun and they can be extremely harmful for human eyes. Every effort should be made to protect your eyes as well as your skin from UV rays because if exposed in excessive amounts you may even loose your eyesight.

You must have enough knowledge regarding sunglasses lens types so that you are able to make a correct decision in this regards. Its always better to opt for good quality instead of opting for cheapest available options because at the end of the day you eyes are really important and every single step should be taken to make sure that they are well protected against any harm.




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