UV400 Polarized CR39 1.499 Optical Lens
Dia.:71/73/75/80mm
Base: 4C/5C/6C/8C
Thickness: 1.8/2.0/2.2mm
Film Size: 50/60/Full

UV400 Polarized CR39 1.499 Optical Lens 

Polarized sunglasses have been popular for years with boaters and fishermen who need to reduce reflected glare from the water surrounding them.

Besides boaters, outdoor enthusiasts who benefit the most from polarized sunglasses include skiers, bikers, golfers and joggers, all who may enjoy a clearer view along with elimination of glare.

These sunglasses can be used for driving and, in fact, can reduce glare from a long, flat surface such as the hood of the car or the road's surface.

Polarized sunglasses also can be worn indoors by light-sensitive people, including post-cataract surgery patients and those continually exposed to bright light through windows.

How Do Polarized Lenses Work?

Light reflected from surfaces such as a flat road or smooth water generally is 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.

For most sports and activities, polarized sunglasses offer great advantages. And today, many polarized lenses are available in combination with other features that can enhance outdoor experiences.

Polarized bifocal sunglasses or progressive lenses are examples of options for the presbyope who also likes outdoor sports.

And polarized photochromic lenses, which change from dark outside to light inside, may be right for the light-sensitive person who frequently is in and out of the sun on any given day.

Whether you spend your time waterskiing or boating, in-line skating or mountain biking, driving or jogging, polarized sunglasses may be the right choice to help you enjoy your life outdoors.