Fig. 8 Parasagittal section to show anterior orbital structures. (F, frontal sinus; SRM, superior rectus muscle; FM, frontalis muscle; MM, Müller's muscle; BFP, brow fat-pad; T, tarsus: POF, postorbicularis fascia; OM, orbicularis muscle; OS, orbital septum; LSL, Lockwood's suspensory ligament; PAFP, preaponeurotic fat-pad; IOM, inferior oblique muscle; WL, Whitnall's ligament; IRM, inferior rectus muscle; LA, levator aponeurosis)