Narrows the field of view on the monitor to +/- 30 degrees, allowing you to keep the information on your screen private and reducing the likelihood of visual data leaks. Filters harmful rays by up to 30%, which decreases eye strain and reduces the chances of blue light disrupting your natural sleep cycle. One side has a matte finish to reduce glare and fingerprints, while the other side is glossy, providing a clearer view of the monitor. The anti-glare/matte surface features a special antimicrobial film coating that prevents mold and bacteria growth, which can cause stains and odors on the film.