Visual Evoked Potentials in Basedow's Ophthalmopathy before and after Orbital Decompression or Retrobulbar Irradiation

K. Setälä; C. Raitha; M. Välimäki; K. Katevuo; B.-A. Lamberg

doi:10.1055/s-0029-1211090

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Exp Clin Endocrinol Diabetes 1991; 97(2/03): 344-347
DOI: 10.1055/s-0029-1211090

Original

Visual Evoked Potentials in Basedow's Ophthalmopathy before and after Orbital Decompression or Retrobulbar Irradiation

K. Setälä, C. Raitha, M. Välimäki, K. Katevuo, B.-A. Lamberg

Department of Ophthalmology (Head: Prof. A. Tarkkanen, M.D.), Endocrine Research Laboratory (Head: Prof. D.-A. Lamberg, M.D.), and Third Department of Medicine (Head: Prof. P. Pentikäinen, M.D.), University of Helsinki/Finland

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Publication Date:
16 July 2009 (online)

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Summary

VEP are an objective and a more sensitive sign of optical neuropathy in Graves' ophthalmopathy than is visual acuity. A correlation exists between VEP and the changes in the external eye muscles as visualized on CT scans. VEP should always be registered if CT changes are present. Improvement of optic neuropathy as evaluated from VEP seems to be remarkably infrequent.