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Japanese

The visual field in traumatic optic neuropathy Masanori Okuzawa 1 , Taka-aki Hatsuda 1 1Dept of Ophthalmol, Kyoto Second Red Cross Hosp pp.729-731
Published Date 1995/4/15
DOI https://doi.org/10.11477/mf.1410904276
  • Abstract
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Twenty-two consecutive cases of traumatic optic neuropathy were reviewed in terms of visual field defects. Six cases were excluded because of incomplete neuroophthalmologic examinations. The site of trauma was ipsilateral to the involved eye. Visual field defects in these cases ranged from normal to total. Motor vehicle accidents were the most common cause of injury. Optic canal fractures were demonstrated in five cases radiographically. There was evidence that the intracanalicular segments of the optic nerve were involved in most cases. One of the 16 cases showed an inferior altitudinal visual field defect. Fluorescein angiography disclosed a filling defect in the capillaries of the optic nerve head. This disruption of the posterior ciliary artery indicated for traumatic anterior ischemic optic neuropathy.

The severity of the head trauma was not directly proportional to the severity of visual field defects.


Copyright © 1995, 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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