Monitor problems are "old news". Back in the early 1980's I serviced CRT terminals (character oriented, it was "old school"). We would go to users sites and always clean off the face of the CRT's with Windex (or equivaloent). Since the environment was close to being a "smoke filled room", this always had an immediate effect. Comments heard from the staff were always in the order of "Gee this works MUCH better". While they didn't have glasses, my fellow service guy would always refer to the workers as "dumber than cheese", and he wasn't far off the mark!