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Related Experiment Videos

Postoperative blindness.

E Lynne Williams1

  • 1Department of Anesthesiology, University of Pittsburgh, A1305 Scaife Hall, 3550 Terrace Street, Pittsburgh, PA 15261, USA. lynne.williams@verizon.net

Anesthesiology Clinics of North America
|September 27, 2002
PubMed
Summary
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Postoperative visual loss, though rare after major surgery, can occur due to eye compression or unrelated causes like ischemic optic neuropathy. Understanding these mechanisms is crucial for patient safety.

Area of Science:

  • Ophthalmology
  • Anesthesiology
  • Surgical Complications

Background:

  • Postoperative visual loss (PVL) is an uncommon but serious complication following major surgical procedures.
  • Incidence rates for PVL vary, estimated between 0.05% and 1%, with precise data limited by underreporting.

Purpose of the Study:

  • To review reported cases of postoperative blindness.
  • To explore the proposed mechanisms underlying visual disturbances after surgery.

Main Methods:

  • Literature review of case reports on postoperative visual loss.
  • Analysis of theories explaining the pathogenesis of PVL.

Main Results:

  • Sustained ocular compression is a significant identified cause of PVL.

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  • Other causes include ischemic optic neuropathy, central retinal artery/vein occlusion, and cortical blindness, often unrelated to direct ocular pressure.

    • Conclusions:

    • PVL can result from various mechanisms, including direct ocular compression and indirect ischemic events.
    • Further research is needed to improve accurate incidence reporting and preventative strategies for PVL.