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| 1. Review the osteology of the bony orbit. |
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| 2. Skin the eyelid, exposing the orbicularis oculi muscle and its parts. |
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| 3. On one eyelid make a vertical incision in the superior lid to expose the tarsal plate and its relation to the conjunctiva and levator apparatus, and the lacrimal gland. |
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| 4. On the other half head reflect the orbicularis oculi down to expose the palpebral ligaments, lacrimal sac and nasolacrimal duct. |
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| 5. Remove the dura from the middle cranial fossa to expose the contents and lateral wall of the cavernous sinus. |
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| 6. Remove the roof and lateral wall of the orbit and cavernous sinus to expose the contents of the orbit and follow the nerves and vessels into it. |
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| 7. Reflect the levator palpebrae superioris and superior rectus muscle and remove orbital fat to expose the orbital nerves and vessels. |
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| 8. Transect the optic nerve to reveal the central artery and relationships of the nerve sheaths. |
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