1. History
  2. Exam
  3. Photos
  4. Diagnosis
  5. Teaching Points
  6. Comments

Case 79 Teaching Points

  • Etiologies include:
    • embolic disease from carotid atherosclerosis or cardiac source
    • giant cell arteritis
    • hypercoagulable state
  • Diagnosis of a central retinal artery occlusion is classically by presence of cherry-red spot due to thin foveal retina that allows visualization of underlying retinal pigment epithelium and choroid
  • 10-25% of cases have a perfused cilioretinal artery with preservation of papillomacular bundle
  • Treatment options are of limited value but include ocular massage, anterior chamber paracentesis and breathing carbon dioxide to stimulate vasodilation
  • Late complications include rubeosis iridis in 20% of patients

References

Ryan, SJ. Retina, 4th ed. 2006. Elsevier Mosby pp 1323-1338.

Last Modified: Friday, 27-Jun-2008 13:15:34 EDT