Fig. 23. A. The medial intraconal space also may be accessed through a medial upper eyelid crease incision. B. This requires exposure of the medial border of the levator aponeurosis and levator muscle and dissection through the intermuscular septum extending between the superior and medial rectus muscles. The superior oblique tendon must be identified and retracted superiorly, so that the medial intraconal space can be entered.