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Case Rep Med. 2014;2014:290696. doi: 10.1155/2014/290696. Epub 2014 Jul 21.

Acute zonal occult outer retinopathy with atypical findings.

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Ophthalmiatreio Eye Hospital of Athens, Eleftheriou Venizelou 26, 106 72 Athens, Greece.
Department of Ophthalmology, General Hospital of Athens, Leoforos Mesogion 154, 115 27 Athens, Greece.
Ophthalmology Department, Red Cross Hospital, Erythrou Stavrou 1, 115 26 Athens, Greece.



To report a case of acute zonal occult outer retinopathy (AZOOR) with atypical electrophysiology findings.


A 23-year-old-female presented with visual acuity deterioration in her right eye accompanied by photopsia bilaterally. Corrected distance visual acuity at presentation was 20/50 in the right eye and 20/20 in the left eye. Fundus examination was unremarkable. Visual field (VF) testing revealed a large scotoma. Pattern and full-field electroretinograms (PERG and ERG) revealed macular involvement associated with generalized retinal dysfunction. Electrooculogram (EOG) light rise and the Arden ratio were within normal limits bilaterally. The patient was diagnosed with AZOOR due to clinical findings, visual field defect, and ERG findings.


This is a case of AZOOR with characteristic VF defects and clinical symptoms presenting with atypical EOG findings.

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