Central retinal artery occlusion

Topic Completed: 1 February 2014

Revised: 5 April 2019

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

PubMed Search: Central retinal artery occlusion [title] pathology

Nat Pernick, M.D.
Page views in 2019: 24
Cite this page: Pernick N. Retina: central retinal artery occlusion. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/eyeretinacentralretinalartery.html. Accessed February 20th, 2020.
Definition / general
  • Causes a sudden, painless loss of vision
  • Retina is pale and white
  • May have edema and decreased vascularity
  • Fovea has cherry red spot due to ischemic white retina surrounding normal choroidal blood flow
Microscopic (histologic) description
  • Usually emboli within central retinal artery
  • Early changes are ischemia of inner layers of retina
  • Late changes are atrophy of inner layers of retina and gliosis
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