English: The video shows a recording of a participant looking at a rightward moving random dot pattern (dot lifetime < 200ms). The participant was instructed to execute stare nystagmus. Fast phases and short phases are visible. In addition, over the course of the video the so called "Schlagfeldverlagerung" ("shift of the beating field") is visible. The video was recorded using an infrared video-camera at the Pupils lab for Neuroscience, Tuebingen, Germany.