What exits out of the optic canal?

• A. Optic nerve only
• B. Ophthalmic artery only
• C. Both optic nerve and ophthalmic artery
• D. Oculomotor nerve

Answer: (C)

The optic canal is a key anatomical structure in the skull, primarily responsible for transmitting important neurovascular components to the orbit. The contents that exit through the optic canal include both the optic nerve and the ophthalmic artery.

The optic nerve is crucial for visual information transmission from the retina to the brain, where visual processing occurs. It is an essential component of the visual pathway.

The ophthalmic artery, a branch of the internal carotid artery, supplies blood to various structures within the orbit, including the eye itself, eyelids, and most of the ocular adnexa. The presence of this artery within the optic canal underscores its importance in supplying nutrients and oxygen to the structures it serves.

Therefore, the correct answer encompasses both the optic nerve and ophthalmic artery because this canal serves as the passageway for these vital elements necessary for vision and ocular health.