> > Depends. If your monitor can support only 100Hz (50Hz per eye) then
> you'll
> > be hurtin'. My glasses support the following refresh rates:
> > 100, 112, 120, 140, and 150 Hz ... You get half of this per eye. At
100Hz
> > (50 per eye) you wouldn't be able to stand 15 minutes without getting
> > extremely dizzy. But at 150Hz (75 per eye) you could go a good 45
minutes
> > without irritation. I have to turn down the res to 800x600 so my
monitor
> > can also display at 150Hz, and it's not too bad. Doesn't seem flickery
at
> > all, though it is more irritating than without the glasses.
> I'm not very knowledged in the area of 3D glasses. Why is it half the
> refresh rate per eye? Why are they not both full?
The way it works is two pictures are drawn on the screen, with different
perspectives. During one refresh of the monitor, the image meant for the
left eye is shown, and during the next refresh, the image meant for the
right eye is shown. The glasses themselves will flicker in sync with the
monitor, so when the image meant for the right eye is being shown, the glass
in front of the left eye is polarized (becomes completely black) ... and so
on. In essence, each eye is switching on/off at half the rate of the
monitor's refresh rate.