Hourglass-shaped visual fields as a sign of bilateral lateral geniculate myelinolysis.
case_report · Level V
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- Record sourced from PubMed, PMID 7872406.
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Abstract
Bilateral visual field defects resembling an hourglass could be produced by bilateral lateral geniculate lesions. We recently encountered such deficits in a 37-year-old woman after an episode of central pontine myelinolysis. Automated static perimetry demonstrated the congruous visual field defects to involve both halves of the visual field. They were confirmed with kinetic perimetry, and they remained stable for four years. Magnetic resonance imaging demonstrated enhancing lesions characteristic of myelinolysis in each lateral geniculate.
Medical subject headings
- Myelinolysis, Central Pontine
- Vision Disorders
- Visual Fields