Sunday, April 20, 2014

Learning More About Sunglasses Lens Types

By Essie Osborn


It is very important for a person to protect his eyes from exposure to the sun. A lot of light which comes from the sun may cause some harm to the human eye especially for those with sensitive eyes. It is therefore important that one gets to know all about sunglasses lens types so that he can get those that will be best for his eyes.

Having a good understanding of the different types of these items there are will help you in making the best decision of the item that is best for you. It is normally enjoyable to spend time in the sun or busk under it while in places such as the beach. Prolonged exposure to this much light might gradually affect you in some way making your eyes start getting complications. The eyes are usually a very sensitive part of the body and must be taken care of at all costs.

The different lenses in sunglasses normally give different levels of protection to the human eyes. The protection given by a regular lens is not as good as that given by a polarized one. They however help to some extent because they are uniformly tinted and thus cut down on the light that reaches the eye. As for the polarized ones, the tint is tiny and occurs as a ray of parallel lines. When the sun rays hit these surfaces, they bounce off as waves.

The polarized type of lenses cut down on the glare that occurs as a result of reflection by certain surfaces like water or objects such as metal objects with a shining effect. Translucent objects may also cause glare when they reflect light. The gadgets can hence be used by those who experience sight problems while in bright areas. The items make an object appear clearer and less shiny.

Like any other device, they have their challenges too. When viewing an LCD display with these contacts on, there may appear to be distortions that make the image kind of blurred. You might also see a certain rainbow effect that appears on the image you are looking at if you are driving on a car with painted windows. They however help a driver to get a good view of where he is passing through.

Apart from the polarized and regular lenses, there are also the super durable serilium lenses. These are mostly used by those who seek a thrilling experience or an adventure. They are made using a certain type of poly-carbonate which is manufactured in a way that it gives very good clarity.

It is also very light and the materials making it are strong. This type of poly-carbonate is the only one known to be strong enough such that it can stand the impact from flying gravel. This type of sunglasses does not only protect against sun rays but also can protect one from flying gravel.

The number of layers that a pair of sunglasses has must be considered when purchasing these items. If they have a lot of layers, the lenses do not work as they are supposed to and vision is affected. The number of layers on the gadgets should be least possible.




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