Glare from office lighting creates visual discomfort for many office workers. The tiny ocular muscles of the eye adapt to the glare, but over time these muscles may become strained, leading to physical fatigue, eyestrain and headaches. Adjusting your position to avoid glare may worsen the problem by causing neck and shoulder aches. It's a problem not easily solved until now. 3M™ Polarizing Light Filter Technology is a major innovation in lighting comfort designed to reduce unwanted glare from office lighting with minimal change in light levels. 3M™ Polarizing Light Filter (PLF) Technology is an advancement over traditional polarization technology in that it cuts glare while letting more light through. Traditional polarization lens films, like those used in sunglasses, work by blocking light waves that produce glare - which means as little as 28% of the light get through. PLF Technology helps convert glare-producing light waves into light waves that don't - which means more light (up to 85% of the original light) passes through. It makes lighting more comfortable on the eyes. Lighting experts recommend reducing glare levels from both the items you view and the surrounding surfaces. 3M™ Polarizing Light Filter Technology reduces the glare levels on documents you read at your desk, and helps reduce glare hot spots on surrounding desk items and work surfaces. It works better than other tested glare reduction technologies. Although pink-tinted and gradient-pattern light filters promise glare reduction, tests show only patented 3M™ Polarizing Light Filter Technology offers significant glare reduction while simultaneously providing the greatest light transmission. It's an excellent choice for improving the quality of lighting in today's offices, and a perfect companion to any 3M™ Computer Filter.