Aneurysm of the ophthalmic artery is quite uncommon and its preoperative demonstration has rarely been reported. Kinley and Leighninger (1) published a case of traumatic aneurysm in the region of the ophthalmic artery secondary to a compound comminuted fracture of the frontal bone involving the supra-orbital ridge and roof of the orbit. They were able to demonstrate the aneurysm by angiography two months after the injury. Their case may, however, have been a variant of a carotid-cavernous aneurysm, rather than an aneurysm of the ophthalmic artery. We have found no other instance in which the aneurysm was visualized preoperatively. The present case occurred without trauma and was discovered on angiography. Changes in the optic foramen seen on the plain films might have led one to suspect the specific diagnosis of ophthalmic artery aneurysm. Case Report A fifty-year-old female was admitted to the Miriam Hospital with progressive visual loss in the left eye of three months duration. At that time she was reco...