ophthalmic nerve (CN V-1)

Origin

• 1st division of the trigeminal nerve (CN V-1)
• trigeminal ganglion

Afferents

• sensory fibers distributed to
  • orbit
  • anterior part of the nasal cavity
  • skin of the nose & forehead

Course

• passes forward from the trigeminal ganglion in the lateral wall of the cavernous sinus & enters the orbit through the superior orbital fissure

Branches

• frontal nerve
• lacrimal nerve
• nasociliary nerve

More general terms

• peripheral nerve

Additional terms

• frontal nerve
• lacrimal nerve
• nasociliary nerve
• trigeminal nerve (CN V)