Figure 2

Anterior view of the extraocular muscles extending from a common tendinous origin. Optic nerve (B) containing within dural sheath and coursing through the common tendinous ring. Superior Rectus (A), Lateral Rectus (D), Levator Palpebrae Superioris, Medial Rectus (F), Inferior Rectus (G). Intra-orbital vessels (C).