Fig. 5.

SOF and topographic positioning of its content. The red arrow indicates the direction of displacement of the lateral orbital wall, with consequent distortion of annulus of Zinn insertion and impingement on abducens nerve. IOF, inferior orbital fissure; IIIinf, oculomotor inferior branch; IIIsup, oculomotor superior branch; IR, inferior rectus; LPS, levator palpebrae superioris; LR, lateral rectus; MR, medial rectus; n, nerve; SO, superior oblique; SOF, superior orbital fissure; SOV, superior ophthalmic vein; SR, superior rectus; VI, abducens.