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Review: Tobii eyeX lets you control your PC with your eyes (2:13) More for you to like: Tobii's eyeX gaze tracker is something special: it moves your cursor to where your eyes are looking. But the performance of this 'eye mouse' varies from user to user. Review: Tobii eyeX lets you control your PC with your eyes (2:13) More like this.
scientists track eye movements in glaucoma patients to check vision impairment while driving. Eye tracking is the process of measuring either the point of gaze (where one is looking) or the motion of an eye relative to the head. An eye tracker is a device for measuring eye positions and eye movement.