Pixel responses aside, the significance of eye movement and refresh rate really cannot be understated when it comes to motion blur. You will recall from earlier in the article that an increased refresh rate on an LCD improves the smoothness of motion because visual information is being fed to the user more rapidly. Trailing appears greatly reduced despite the pixel response behaviour typically remaining similar to when the monitor is running at 60Hz using the same overdrive settings. This increased smoothness is actually largely down to a decrease in perceived motion blur. Frames are being held for a much shorter duration and your eyes are being fed a greater number of distinct frames – as a result, your eye movements are reduced. But there is still a greater degree of eye movement and hence blur than on a CRT. On a CRT the information is flashed at you extremely briefly followed by no information (a blank screen). As a result, your eyes aren’t spending much time at all tracking motion and the perceived blur is significantly decreased. Look at this paragraph I took from the article. Even with an LED screen running 120hz refresh rate and moderate overdrive your eyes are still moving all over the screen way more then a CRT. I really believe this is one of the biggest causes of eye strain and biggest differences between CCFl/LED. Anyone on here old enough knows there was nowhere near the amount of complaints about screen issues when dealing with CRT VS LED/CCFL. The biggest one I remember with the monitors was some people didn't like running the CRT at 60hz. Most people were fine with 75 or 85hz.