I’ll just leave the link here for future reference đ https://journals.sagepub.com/doi/full/10.1177/2055668318773991
Affordable EyeTracking – working towards a new camera PCB
We keep coming back to the basic fact that we need to know what the eyeballs are doing. This requires an eye tracker which does what we want (particularly, with a software API which doesn’t assume both eyes are coordinating in the usual way!) at a price we can afford. The corollary to this is…