when your ipd is off its roughly the same thing as being slightly cross-eyed or slightly wall-eyed. if its small enough and the game is low-res enough it can n

when your ipd is off its roughly the same thing as being slightly cross-eyed or slightly wall-eyed. if its small enough and the game is low-res enough it can not matter, but if you feel "eye strain" or a sortof between-the-eyes headache after playing for 20 minutes thats where it comes from. its subtle so it really gets you over time, not at any one moment. here's a good howto on measuring your ipd to get it right: http://doc-ok.org/?p=898 http://doc-ok.org/?p=898