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
In the Land of the Blind the Blue Eye Man is King of work that she calls "random select." To create these works, she takes her own personal life experiences and blends them with historical moments and popular culture. This piece was inspired by the work of Bill Traylor. As a homage to him, Grant created the series, which this painting is a part of, titled "By the Skin of Our Teeth." In the Land of the Blind the Blue Eye Man is King In the Land of the Blind the Blue Eye Man is King is a painting by Deborah Grant. It is in the collection of the Nasher Museum of