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Polarised Sunglasses

Polarised Sunglasses
Polarised / Polarized sunglasses eliminate or significantly reduce the glare caused by sunlight reflecting off a surface like a pavement, road, water and snow. That’s why they are popular with sailing and watersports enthusiasts, fishing enthusiasts, snow sports enthusiasts, runners, cyclists and drivers. When used for fishing a polarised lens means you will be able to see down below the surface of the water. We stock over 500 polarised models and to help you choose we have put them into three categories: leisure styles, sports styles and cross over sport-leisure styles. Lower down on this page is a longer article about the benefits of polarized lenses. Our polarised sunglasses start at just £9.95 and include free UK delivery on orders £15 and over in value.

More about polarised sunglasses

Polarized sunglasses were first invented by Polaroid in 1935. They differ to standard, non-polarized sunglasses lenses by having a special film either sandwiched between two other layers of the lens or applied to the front of a lens. What this special film does is eliminate glare off a surface like a pavement, road, water or snow. Lightwaves from the sun travel in all directions but when sunlight strikes a surface (and that includes water), it becomes concentrated – this polarised light as it is called causes harsh glare. Non-polarized sunglasses only reduce the amount of light entering the eye; they don’t block glare. Polarised lenses block glare and allow only useful vertical light to enter so you can see much more clearly. Glare makes it difficult and uncomfortable to see and can cause eye strain. It also distorts the true colour of objects and makes them harder to distinguish. With polarised sunglasses you get glare-free vision, clear contrasts, more natural colours and reduced eye fatigue. Because prolonged exposure to glare on the water causes eye strain it can in turn lead to headaches.
Glare also causes a mirror-effect on water. As a polarised lens will eliminate glare on the water, for fishing enthusiasts it means they can see down below the surface. The two most popular polarised lens colours are grey and brown but polarised amber and yellow are also available (see our fishing section).