In order for Ability Drive to work correctly the positioning of the tablet with eye tracker or AAC needs to be at 20-24" away from the face. The bottom of the tablet and eye tracker needs to be 6" below the chin. Tablet mounting position guide
Okay, you have come across this neat technology to drive a wheel chair with your eyes called Ability Drive. Do you have someone in mind who you think this could help, someone who can't use the joystick control of their power chair? Where do you go from here? Tolt Technologies
The EVK is a complete collection of all necessary parts to evaluate Ability Drive with clients using Permobil, Quantum, and Sunrise chairs with or without an alternative drive interface. The kit contains the ADT, A13J, APR, and AMJ (with 12" and 18" posts for pediatric and adults), 9-pin tester and
What comes with ADT and how to install it.
Introduction video about driving your wheelchair with just your eyes.