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A case of severe optic nerve hypoplasia Yuko Terao 1 , Sachiko Nishina 1 , Noriyuki Azuma 1 1Dept of Ophthalmol, National Children's Hosp pp.1385-1389
Published Date 1999/6/15
DOI https://doi.org/10.11477/mf.1410906460
  • Abstract
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A 4-month-old female infant was referred to us for abnormal eye movement. The course of pregnancy and birth was uneventful. Both eyes lacked fixation or light reaction. The anterior ocular segment, including the cornea, was normal. Funduscopy showed extremely small optic disc in both eyes. The retinal vessels were narrow and straight, and were present in the posterior fundus only. The right eye showed atypical macular coloboma. The left eye showed abnormal macular ring reflex. Ultrasonography showed normal eyeglobes and intraocular structures but showed absence of optic nerve in both eyes. Electroretinogram elicited normal responses. Visual evoked potential was non-recordable. X-ray studies showed narrowing of optic canals. Computed tomography showed absence of optic nerves and normal intracranial structures. The findings led to the diangnosis of severe hypoplasia of the optic nerve.


Copyright © 1999, 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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