Eye Tracking in Human-Computer Interaction and Usability Research: Current Status and Future Prospects  

Discusses the various opportunities for eye-movement studies in future HCI research, and details some of the challenges that need to be overcome to enable effective application of the technique in studying the complexities of advanced interactive-system use.

Poole, Alex and Linden J. Ball. Alex Poole (2004). Articles>Human Computer Interaction>Usability>Eye Tracking