Figure 27. Six positions of gaze. Note that vertical movements of an adducted or abducted eye are the responsibility of a single muscle and that there are always at least 2 muscles that are active when the eyes are moved vertically.
Figure 27. Six positions of gaze. Note that vertical movements of an adducted or abducted eye are the responsibility of a single muscle and that there are always at least 2 muscles that are active when the eyes are moved vertically.