An efferent component in the visual perception of direction and extent.
D005133:Eye Movements; D006801:Humans; D008954:Models, Biological; D009476:Neurons, Efferent / Q000502:physiology; D009903:Optical Illusions / Q000502:physiology; D011434:Proprioception; D014796:Visual Perception / Q000502:physiology*