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Updated: Jul 13, 2026

A Murine Model of Ischemic Retinal Injury Induced by Transient Bilateral Common Carotid Artery Occlusion
Published on: November 12, 2020
Branch retinal artery occlusion during a migraine attack.
Ian F Gutteridge1, Robert A McDonald, Jock G Plenderleith
1Department of Optometry and Vision Sciences, The University of Melbourne, Parkville VIC 3053, Australia. i.gutteridge@optometry.unimelb.edu.au
A patient experienced branch retinal arterial occlusion during a retinal migraine attack. This rare event, linked to migraine, highlights the potential role of vasospasm in vision-threatening complications.
Area of Science:
- Ophthalmology
- Neurology
- Vascular Medicine
Background:
- Migraine is a common neurological disorder.
- Retinal migraine is a rare form of migraine with transient visual disturbances.
- Branch retinal arterial occlusion (BRAO) is a serious condition affecting vision.
Observation:
- A 60-year-old male with a history of migraine presented with symptoms consistent with branch retinal arterial occlusion.
- The occlusion occurred concurrently with an attack of retinal migraine.
- Other potential causes of BRAO were systematically excluded.
Findings:
- The diagnosis of branch arterial occlusion secondary to migraine was established after ruling out other conditions.
- The case suggests a potential link between migraine attacks and retinal arterial events.
- Vasospasm is proposed as a possible mechanism contributing to the occlusion.
Implications:
- This case underscores the importance of considering migraine as a potential underlying cause of BRAO.
- Further research into the vascular mechanisms of migraine may reveal new therapeutic targets.
- Early recognition and management of migraine-associated vascular events are crucial for visual preservation.
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