Eye tracking white sclera (limbus tracking). It presents another challenge for vertical eye movements due to obstruction of eyelids. Eye-tracking setups vary greatly: some are head-mounted, some require the head to be stable (for example, with a chin rest), and some function remotely and automatically track the head during motion. Most use a sampling rate of at least 30 Hz. Although 50/60 Hz is more common, today many video-based eye trackers run at 240, 350 or even 1000/1250 Hz, speeds needed in order to capture fixational eye movements or correctly measure saccade dynamics. Eye movements are typically divided into fixations and saccades
Queen: The eYe Queen: The eYe Queen: The eYe is an action-adventure electronic video game that was released in by Electronic Arts, and featured music by the rock group Queen which was remixed exclusively for The eYe by Joshua J. Macrae at Roger Taylor's studio in Surrey. The game is set in the future where the world is ruled by an all-seeing machine called "The eYe" which has eradicated everything that promotes creative expression. The player takes the role of Dubroc, a secret agent of The eYe who in the course of his duties has re-discovered a database of popular rock music, and