To stimulate the muscles of his eyes, the player trains the eye exercise “Near and Far”. For this he uses a so-called vision stick. However, any other stick with letters on it will also work.

First, the player focuses on a letter on the stick . Next, the gaze jumps to the opposite wall, where a letter is also chosen.

The player change his/her focus from one letter to the other, from far to near and vice versa a few times. It is not necessary to do this quickly; what is important is the thoroughness of the focus.

As a variation, the player performs the exercise again individually with each eye.

A further stimulus for the eyes comes from the last exercise: the whole thing is practiced again while walking.