Figure 2

Oculomotor and head/eye proprioceptive exercises.
A) Head-to-target or head movement following the target with the eyes in a neutral position.
B) Eyes-to-target or eye movement following the target with different head positions.
C) Head-to-target or head movement following the target with the eyes in a neutral position and the
subject lying supine on a Swiss ball, with the head in a weight-dependent neutral position.