Tobii input not being detected

I installed Vjoy and OpenTrack, following the Tobii eye tracker guide, followed every step to the letter. When I am in game, I get the option to select the axis but then no movement is detected. If I tab out I can see the octopus moving in OpenTrack, but then in game no input is detected. I have no other joystick or controller connected nor any joystick/controller driver installed. I am in full screen mode and have only 1 monitor.
There is very little information regarding this problem, so any help would be much appreciated