This paper dealt with using eye tracking technology to try to type something without use of a keyboard. Other methods in the past used dwell time, but that was deemed to be wasteful of time.
They used StarGazer to do the panning and zooming. There is a circular keyboard for the typing. The users can zoom in on specific areas of the keyboard and type using only their eyes.
They ran some test to see if it was intuitive and easy for novice users, and to see if size of display and noise would be a factor. Noise slowed down words per minute and smaller sizes slowed it down as well. Of interest, the accuracy was not increased with noise. This showed that StarGazer was tolerant of noise
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This would be interesting to see how people can type without using a keyboard. At first, I thought this could be like the Macbook Wheel from the Onion a while ago. But this seems workable. Of course, more work needs to be done for people that have bad eyesight (but are not blind). Also, it seems prolonged usage could hurt the eyes.
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I agree, prolonged usage could be painful. It really doesn't matter how fast a system could be, if using it is uncomfortable.
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