I often am looking at another element before interacting with it with my mouse. With eye tracking enabled menus hovering over an element immediately because I'm looking at it becomes an annoyance.
Yea, I don't think a 1-to-1 translation of mouse movements with eye tracking is the correct answer here. I do think it's probable that eye tracking + {X} can be a 1-to-1 translation for clicking for 80%+ clicks.
Maybe X is a button on the keyboard. Maybe X is a gesture.
