https://en.wikipedia.org/wiki/Smooth_pursuit https://en.wikipedia.org/wiki/Smooth_pursuit " Smooth pursuit eye movements allow the eyes to closely follow a mov

https://en.wikipedia.org/wiki/Smooth_pursuit https://en.wikipedia.org/wiki/Smooth_pursuit " Smooth pursuit eye movements allow the eyes to closely follow a moving object. It is one of two ways that visual animals can voluntarily shift gaze, the other being saccadic eye movements. "