We recently proposed a method that allows dichoptic visual stimulus presentation and binocular eye tracking simultaneously1. The key is the combination of an infrared eye tracker and the corresponding infrared-transparent mirrors. This manuscript provides an in depth protocol for initial setup and everyday operation.
Qian, C. S., Brascamp, J. W. How to Build a Dichoptic Presentation System That Includes an Eye Tracker. J. Vis. Exp. (127), e56033, doi:10.3791/56033 (2017).