Mostly sunny. Patchy fog in the outer west early this morning. Slight (20%) chance of rain in the outer west later tonight. Near zero chance of rain elsewhere. Winds north to northwesterly 15 to 25 km/h becoming northerly 25 to 35 km/h in the morning.
Ophthalmic artery (OA) is the first intracranial branch of internal carotid artery (ICA). It arises soon after ICA emerges from cavernous sinus, follows a short intracranial course, transverses the optic canal, and enters the orbit.
Intracranial Ophthalmic Artery Aneurysm. I N T R A C R A N I A L O P H T H A L M I C A R T E R Y ANEURYSM WALTER H . STERN, M.D., AND J. TERRY ERNEST, M.D. Chicago, Illinois The ophthalmic artery arises from the in ternal carotid artery just as the internal ca rotid artery pierces the dura mater after tra versing the cavernous sinus.