A user interface that tracks eye movement may provide an alternate way to use a computer. A researcher at Stanford has created an alternative to the mouse that allows a person to operate computer simply by looing at the screen and tapping key on the keyboard. By using standard eye-tracking hardware--a specialized computer screen with a high-definition camera and infrared lights--Manu Kumar, a doctoral student who works with computer-science professor Terry Winograd, has developed a novel user interface that is easy to operate.
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