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What is Gaze Pointing?
gaze doesn’t have an obvious ‘click’ method
gaze fixations have natural jitter and eye tracking is not perfect
we can quickly point our eyes at an object, but we can’t move or manipulate objects
What are the benefits of using both Eyes and Hands?
gaze selects, touch manipulates
gaze is faster and less effort
touch is more expressive
What is the Comfortable Range for Eye Movement?
~250ms
What is the Comfortable Range for Head Movement?
~20 degrees