Ophthalmic artery aneurysm epidemiology

Ophthalmic artery aneurysm is the most common type of paraclinoid aneurysm.

The incidence of ophthalmic artery aneurysms is somewhere between 0.5% and 11% of all intracranial aneurysms 1) 2).

It is a marked female predominance (7:1) and high incidence of multiple intracranial aneurysms (45%) within this population 3).

Unlike usual ophthalmic artery aneurysms, which arise from the junction of the ICA trunk and ophthalmic artery, an ophthalmic artery trunk aneurysm is extremely rare 4) 5).

1) , 3)
Day A L. Aneurysms of the ophthalmic segment. A clinical and anatomical analysis. J Neurosurg. 1990;72(5):677–691.
2)
Yasargil M G, Gasser J C, Hodosh R M, Rankin T V. Carotid-ophthalmic aneurysms: direct microsurgical approach. Surg Neurol. 1977;8(3):155–165.
4)
Meyerson L, Lazar SJ. Intraorbital aneurysm of the ophthalmic artery. Br J Ophthalmol. 1971 Mar;55(3):199-204. PubMed PMID: 5575224; PubMed Central PMCID: PMC1208221.
5)
Raitta C. Ophthalmic artery aneurysm causing optic atrophy and enlargement of the optic foramen. Br J Ophthalmol. 1968 Sep;52(9):707-9. PubMed PMID: 5725171; PubMed Central PMCID: PMC506674.