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A guide to polarised lenses

Sunglasses shield your eyes from damaging ultraviolet (UV) rays, minimize eyestrain in bright light, and shield you from flying debris and other dangers. 

Whether you're going to work or climbing a mountain, finding the proper pair is crucial to your comfort. Customers frequently inquire as to why they should pay more for polarized lenses in their sunglasses and whether the additional cost is justified.

First of all, what is polarized light?

When light reflects off huge flat surfaces, it becomes polarised, meaning the bumps all move in the same direction, usually from side to side. As a result, light rays reflected off the surface of the water, a vast open beach, or a field of snow can appear blindingly brilliant, not because more light is entering the eye, but because the reflected light is all moving in the same direction.

A polarised lens filters out light waves that vibrate in one direction while allowing light waves to vibrate in other directions to pass through. Polarised lenses in sunglasses block horizontal light waves while allowing vertical ones to pass through. Polarised lenses block glare from horizontal surfaces, allowing you to see things more clearly, especially when you're outside in intense sunshine.

If you enjoy outdoor activities like boating, cycling, or fishing, polarized lenses are an excellent choice. They can also be worn indoors by people who have an increased sensitivity to light, such as those who have had eye surgery or who have problems with their eyes. On extended road trips, when glare from road surfaces and other traffic can cause eyestrain, polarised lenses can be a huge benefit.

For the majority of their models, many designer sunglasses in Sri Lanka now offer polarized lenses. Women's and men’s sunglasses online in Sri Lanka may cost a bit extra, but you'll notice the difference in most situations, with clearer vision, sharper detail, improved contrast, and, most importantly, no glare.

 

Source: Free Articles from ArticlesFactory.com

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