Glossary of Optical Terms - Heavyglare.com - Directory of Optical Terms

Glossary of Optical Terms - Heavyglare.com - Directory of Optical Terms: "Polarized Lenses: Light waves traveling freely can vibrate in any direction. When light strikes a horizontal reflecting surface such as water, sand or pavement, it vibrates horizontally creating glare. To the unprotected eye, glare can decrease depth perception., reduce visual acuity and create eye fatigue.

These lenses are great by the water or for driving. A good example of how these lenses work. While driving in your car you often see the glare of the dashboard or if you have a white piece of paper on the dashboard for example you see its reflection off the windshield. Having a polarized lens virtually eliminates this reflection and all of this type of glare (horizontal glare). These lenses are laminated and have a polarizing film in side the lens they are available in gray or brown. They are also available in plastic, polycarbonate or glass."