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Rod-cone dystrophy with negative electroretinogram in a pair of siblings Masamoto Imaizumi 1 , Celso Soichi Matsumoto 1 , Megumi Hara 1 , Masatoshi Furushima 1 , Kazuo Nakatsuka 1 1Dept of Ophthalmol, Oita Med Univ pp.775-779
Published Date 2001/5/15
DOI https://doi.org/10.11477/mf.1410907305
  • Abstract
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A 25-year-old male and his 20-year-old sister presented with decreased visual acuity. The corrected visualacuity of the brother was 0.1 right and 0.15 left. That of sister was 0.3 in either eye. Funduscopy and fluorescein angiography showed almost normal findings. Electroretinogram (ERG) showed reduced amplitudes for rod and cone systems withincreased peak latency. ERG in the brother showed negative type for rod and cone systems. ERG in the sister showednegative type response for higher intensity with extinguished focal macular response. These ERG findings led to thediagnosis of rod-cone dystrophy in different stages in the siblings. The negative-type ERG response seemed to suggestthe additional presence of dysfunction of bipolar cells.


Copyright © 2001, Igaku-Shoin Ltd. All rights reserved.

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

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