A few years ago, a Freeside collaboration resulted in some published medical research on using 3D Printing in pre-surgery planning . In our second collaboration, we used gaze tracking to gather data on how surgeons with different levels of experience look at radiographs when diagnosing hallux valgus deformities. The new paper got published in the current issue of the Journal of Foot and Ankle Surgery . Interestingly enough, we actually came up with the concept for this project during a meetup about interactive art installations. The idea of eye tracking came up and we discussed what we could discover with the technology. So we started to try to figure out how to a study with the free and open-source tools available. We ended up needing: A webcam to look at the user's eyes. ITU Gaze Tracker to calibrate and interpret that data. (However, their website is now down, so I'm not sure how viable this is as part of the toolchain now.) OGAMA - Open Gaze and Mouse Analysis
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