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The importance of keeping the chin up in graves orbitopathy.

Abstract
A 42-year-old white woman suffering from mild euthyroid Graves orbitopathy for 6 years experienced recent-onset upper eyelid swelling, double vision, diminished vision, and reduced visual field of the right eye. Examination of the right eye showed decreased visual acuity, relative afferent pupillary defect, hypotropia with severely restricted elevation, upper visual field defect, impaired color contrast discrimination, and abnormal pattern visual evoked potential, but the Ishihara color plate reading and the optic disc appearance were normal. The left eye was normal, except for marked elevation restriction. On CT scan, the inferior rectus muscles were asymmetrically enlarged. These findings were suggestive of unilateral dysthyroid optic neuropathy, and a 2-week course of pulsed high-dose intravenous corticosteroids was subsequently administered. Since there was no improvement, the clinical examinations and tests were repeated, with the patient positioned in chin lift so that the right hypotropic eye was looking straight ahead. All tests normalized instantly and completely.
AuthorsSteven Renier, Werner Spileers, Ilse Mombaerts
JournalOphthalmic plastic and reconstructive surgery (Ophthalmic Plast Reconstr Surg) 2010 Nov-Dec Vol. 26 Issue 6 Pg. 484-6 ISSN: 1537-2677 [Electronic] United States
PMID20700077 (Publication Type: Case Reports, Journal Article)
Topics
  • Adult
  • Chin
  • Diplopia (diagnosis)
  • Female
  • Graves Ophthalmopathy (diagnosis)
  • Humans
  • Magnetic Resonance Imaging
  • Optic Nerve Diseases (diagnosis)
  • Orbital Diseases (diagnosis)
  • Posture
  • Pupil Disorders (diagnosis)
  • Strabismus (diagnosis)
  • Tomography, X-Ray Computed
  • Vision Disorders (diagnosis)
  • Vision Tests (methods)
  • Visual Field Tests
  • Visual Fields

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