How Do Polarized Lenses Work?
Light reflected from surfaces such as a flat road or smooth water is generally horizontally polarized. This means that, instead of light being scattered in all directions in more usual ways, reflected light generally travels in a more horizontally oriented direction. This creates an annoying and sometimes dangerous intensity of light that we experience as glare.
Polarized lenses contain a special filter that blocks this type of intense reflected light, reducing glare.
Many sunglasses are available with polarized lenses. Maui Jim and Persol are two examples of non-prescription sunglasses available with polarized lenses. Most prescription sunwear can be made polarized upon request.
