Coming Soon: An ONLINE Course for Visual Training for Tennis. Why is ‘watch the ball’ actually harmful advice? What are far better ways to help your players see the ball better, and have a better chance to move into the higher levels of the game from 4.5 and above? A mix of science, inner game, and many years of practical application provide lots of great solutions for what is the most variable thing that makes human beings unique, their vision. Each chapter ends with three to five practical action items to consider.