Orbit and optic nerve
Papilledema - optic nerve

Topic Completed: 1 February 2014

Minor changes: 4 April 2019

Copyright: 2004-2019, PathologyOutlines.com, Inc.

PubMed Search: Papilledema [title] optic nerve

Nat Pernick, M.D.
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Cite this page: Pernick N. Orbit and optic nerve: papilledema - optic nerve. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/eyeorbitpapilledema.html. Accessed May 28th, 2020.
Definition / general
  • Edema of head of optic nerve, usually bilateral
  • Due to nerve compression from elevation of cerebrospinal fluid pressure surrounding the nerve
  • Fundoscopic examination shows swollen optic nerve head with elevation, edema and narrowing of optic cup
  • Also vascular congestion, flame shaped hemorrhage, exudates, retinal edema
Microscopic (histologic) description
  • Edematous axons in edematous stroma with vascular congestion
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