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Monocular Vision Loss: A Rare Cause

  • Author(s): Lane, David
  • Pomeranz, Kaila
  • Findlay, Shannon
  • Miller, Daniel
  • et al.
Creative Commons Attribution 4.0 International Public License
Abstract

A 62-year-old woman with a history of metastatic breast cancer and known meningioma presented with unilateral vision loss associated with anisocoria and an afferent pupillary defect. On magnetic resonance imaging we found the cause to be optic nerve compression by a right frontal meningioma. Monocular vision-loss etiologies are anatomically localized to structures anterior to the optic chiasm. This case serves as a reminder that cerebral structures in this location must not be forgotten in the differential.

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