Keeping your eye on the ball

The human visual system is relatively slow and clear vision requires images to be stationary on the retina for about one-tenth of a second. Given this limitation, how do elite athletes keep their eyes focused on the ball and maintain a clear image of the world during rapid and complex body movements? The key is a compensatory reflex system that rotates the eyes in their sockets to counteract the head movement and keep the visual image stationary...