Glare is a common cause of eyestrain among computer or video display terminal (VDT) users. Glare can be caused directly from light shining in your eyes or indirectly from reflections on computer monitors and other surfaces. What's more, glare can also cause discomfort and reduce productivity by causing workers to sit in awkward positions in order to see the screen. And many users mistakenly assume that the back, neck and shoulder pain they suffer are solely the result of poor posture or poorly designed chairs.3M computer filters reduce screen glare and enhance contrast. They can improve your productivity by helping prevent eyestrain, blurred vision and headaches. Filters are simple to attach to and remove from computer monitors.