has part has part characteristic of part of inheres in part of has modifier Abnormality of ophthalmic artery UMLS:C4073185 Ophthalmic artery anomaly 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. Abnormality of the first branch of the internal carotid artery. Abnormal internal carotid artery morphology quality abnormal ophthalmic artery