Eye Focus August 2016 | Page 11

AR COATING What is it? POLARIZED What are they? Polarized sunglasses contain a special filter that helps to reduce glare. The lenses, which first became available in 1936, are especially popular with outdoor enthusiasts, such as boaters and joggers who often come into contact with intense reflected light from the surface of water or pavement, respectively. However, they are also available in everyda y sunglass lenses and can make images more clear and crisp. Anti-reflective coatings are thin layers that are added to a lens to reduce the amount of light reflected off the front of the lenses as well as to cut down on the glare that the wearer sees while wearing the lens. Anti-reflective coatings can improve vision and reduce eye strain. On the market: Essilor Multicoated Antireflective coatings resist scratches and smudges, repel water and offer anti-static properties. On the market: Each pair of sunglasses in the Polaroid Core, Trend, Premium and RX Sunglass collections, distributed by Safilo, feature premium Polaroid UltraSight polarized lenses to ensure perfect vision and protection at its best. Check out our new website at www.opticalprism.ca Optical Prism | July 2016 11