Eye Tracking Performance in Mobile Mixed Reality

Implementing and evaluating eye tracking across multiple platforms and use cases can be challenging due to the lack of standardized metrics and measurements. Additionally, existing calibration methods and accuracy measurements often do not account for the common scenarios of walking and scanning in mobile AR settings. We conducted user studies evaluating eye tracking on the Magic Leap One, the Meta Quest Pro, and the HoloLens 2. Our results reveal that the degree to which locomotion influenced eye tracking performance depended on the headset, with the HoloLens 2, which features a retractable visor, displaying the greatest decrease in accuracy during locomotion.