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.
Anatomical Course. The anatomical course of the optic nerve describes the transmission of special sensory information from the retina of the eye to the primary visual cortex of the brain. It can be divided into extracranial (outside the cranial cavity), and intracranial parts. Extracranial.