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A unilateral case suspected of acute zonal occult outer retinopathy with cone dysfunction Ryotaro Kodama 1 , Kenichi Teruya 1 , Mikki Arai 1 , Ryoji Yamakawa 1 1Dept of Ophthalmol,Kurume Univ Sch of Med pp.1989-1993
Published Date 2008/12/15
DOI https://doi.org/10.11477/mf.1410102564
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Abstract. Purpose:To report a case of cone dysfunction suspected of unilateral acute zonal occult outer retinopathy(AZOOR). Case:A 12-year-old boy presented with impaired visual acuity,visual field defect and photopsia in the left eye of 2 years' duration. Findings:His corrected visual acuity was 1.2 right and 0.8 left. Both eyes showed normal findings in the anterior segment,optic media and the fundus. Fluorescein fundus angiography and critical flicker fusion frequency were normal. The left eye showed positive relative afferent pupillary defect(RAPD)and visual field constriction by Humphrey perimetry. Electroretinogram showed remarkable decrease in cone function and response to 30-Hz response. Multifocal ERG was also reduced in the left eye. Conclusion:Remarkably impaired cone dysfunction was present in the left eye by electrophysiological examinations. The findings suggest that the present case may belong to a type of AZOOR.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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