Cursor control

Certain embodiments provide a computer system for controlling the movement of a displayed cursor, the computer system comprising: a first display region; a second display region; a user input unit configured to measure movements made by a user in association with the user input unit and to output corresponding movement signaling; a vision tracking unit configured to determine a direction in which a user is looking and to output corresponding view-direction signaling; and a cursor control unit arranged to select one of the first display region and the second display region as a selected display region based on the view-direction signaling associated with the vision tracking unit and to control a cursor to move within the selected display region based on the movement signaling associated with the user input unit.