Text Entry by Gaze: Utilizing Eye Tracking
Päivi Majaranta and Kari-Jouko Räihä, University of Tampere, Tampere, Finland
Text entry by eyes is essential for severely disabled people with motor disorders who have no other means of communication. By using a computer equipped with an eye-tracking device, people suffering from amyotrophic lateral sclerosis or the locked-in syndrome, for instance, can produce text by using the focus of gaze as a means of input.
In one sense, text entry by eye gaze is quite similar to any screen-based text entry technique, such as the on-screen keyboards used with tablet PCs. The interface is more or less the same, only the interaction technique for pointing and selecting changes. ...