Medicus Vision Track TM Accuracy Guide. Most golfers are confused about how and where the club moves during the golf stroke. The Medicus Vision Track TM gives the player a clear picture of what SHOULD be happening and almost immediately improves their Swing Plane by simply following the "Alternate Target Line." Highly portable, easily set-up, and is designed to hit golf balls off of, the Medicus Vision Track TM gives you immediate feedback on whether or not your stroke is on, or off plane.