The ophthalmic artery (OA) is the first branch of the internal carotid artery distal to the cavernous sinus. Branches of the OA supply all the structures in the orbit as well as some structures in the nose, face and meninges. Occlusion of the OA or its branches can produce sight-threatening conditions.
Read more about Ophthalmic Artery: Classification of Ophthalmic Artery Branches, Structures Supplied By Ophthalmic Artery, Occlusion, Additional Images