Certified Retinal Angiographer (CRA) Practice Exam

Which of the following is not a direct ocular blood supply pathway mentioned?

Central retinal artery Posterior ciliary arteries Ophthalmic artery Aorta

Correct Answer:

Aorta

Explanation:

The key idea is which vessels actually deliver blood directly to ocular tissues. The eye receives arterial blood through the central retinal artery, which feeds the inner retina; the posterior ciliary arteries, which supply the choroid and outer retina; and the ophthalmic artery, which is the main artery entering the orbit and giving rise to those branches. The aorta, while it is the major systemic artery that ultimately connects to the ocular supply chain via branches, is not itself a direct ocular blood supply pathway. It’s the upstream source from which ocular arteries arise, not a direct route that perfuses ocular tissues. So the not-direct ocular pathway is the aorta.

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