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BRIEF COMMUNICATION
Year : 2012  |  Volume : 60  |  Issue : 4  |  Page : 330-332

Electrophysiological abnormalities associated with extensive myelinated retinal nerve fibers


Department of Ophthalmology and Visual Sciences, Khoo Teck Puat Hospital; Jurong Medical Centre, Singapore

Correspondence Address:
Srinivasan Sanjay
90, Yishun Central, Ophthalmology and Visual Sciences, Khoo Teck puat Hospital, Singapore 768828
Singapore
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.98724

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An observational case report of electrophysiological abnormalities in a patient with anisomyopic amblyopia as a result of unilateral extensive myelinated retinal nerve fibers (MNFs) is illustrated. The electrophysiological readings revealed an abnormal pattern electroretinogram (PERG) but normal full-field electroretinogram readings in the affected eye. The visual-evoked potential was also undetectable in that eye. Our findings suggest that extensive MNFs can be associated with electrophysiological abnormalities, in particular the PERG, which can aid in diagnosing the cause of impaired vision when associated with amblyopia.


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