Orbital apex

Last revised by Dr Mostafa El-Feky on 29 Mar 2022

The orbital apex refers to the posterior confluence of the orbit at the craniofacial junction, where nerves and vessels are transmitted from the intracranial compartment into the orbit via several bony apertures. It is also the point where the extraocular muscles derive their origins.

Contents

There are three bony apertures that permit the entry of neurovasculature into the orbit:

Five of the six extraocular muscles originate at the orbital apex:

The key structures of the orbital apex have complex anatomical relations:

Related pathology

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Cases and figures

  • Figure 1: orbital apex diagram
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