100% UV Protection Polarized Against Harmful UVA/UVB Rays.They are lenses that have been made with special light absorbing filters that block horizontal light waves and allows only vertical light rays through. As a result, polarized lenses reduces the harshness of glare from the sun's rays when it bounces off of smooth reflective surfaces, such as a pond or the hood of a car. MyUV polarized lenses give you a much sharper view of your surroundings with less strain on your eyes.