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Case Reports in Ophthalmological Medicine
Volume 2012, Article ID 530128, 3 pages
Case Report

Cystoid Macular Edema in Acute Presentation of Central Retinal Artery Occlusion

Department of Ophthalmology, Singapore National Eye Centre, Singapore 168751

Received 27 November 2011; Accepted 29 January 2012

Academic Editors: S. Machida and M. W. Stewart

Copyright © 2012 Wei Yan Ng et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A seventy-six-year-old lady with poor vision of the left eye due to previous retinal detachment presented with acute visual loss of her right eye secondary to central retinal artery occlusion. Clinical examination showed a pale right optic disc, macular edema, and a cherry red spot. Optical coherence tomography done four hours after onset showed right acute cystoid macular edema and diffuse inner retinal thickening. Subsequent treatment with intravenous carbonic anhydrase inhibitor resulted in some visual improvement. Central retinal artery occlusion has been known to produce diffuse intraretinal edema instead of cystoids changes. We would like to discuss a case of acute cystoid macular edema in acute central retinal artery occlusion.