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Related Experiment Videos

Hypovolemic ischemic optic neuropathy.

D Suzuki1, P F Ilsen

  • 1Hospital-based/Geriatric Optometry and Optometry, Greater Los Angeles VA Healthcare System, West Los Angeles VA Healthcare Center, Los Angeles, California, USA.

Optometry (St. Louis, Mo.)
|August 26, 2004
PubMed
Summary
This summary is machine-generated.

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Sudden vision loss after significant blood loss may indicate ischemic optic neuropathy. Prompt screening for optic nerve ischemia is crucial in patients with hypovolemia and visual deficits.

Area of Science:

  • Ophthalmology
  • Neurology

Background:

  • Ischemic optic neuropathy (ION) is characterized by optic nerve ischemia, leading to vision loss, typically affecting the elderly with systemic vascular diseases.
  • ION can also occur in younger individuals following trauma or surgery, where anemia and hypotension are contributing factors.

Observation:

  • A 41-year-old man presented with optic nerve pallor, vision loss (count-fingers), afferent pupillary defect, and central scotoma in the left eye.
  • This ocular presentation followed hospitalization for a stab wound severing his left carotid artery, leading to significant blood loss.

Findings:

  • The patient was diagnosed with hypovolemic ischemic optic neuropathy (ION) of the left eye.
  • His prior ocular health was normal, indicating the event was a direct result of hypoperfusion post-trauma.

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Implications:

  • Patients experiencing substantial blood loss from trauma or surgery reporting vision loss require screening for optic nerve ischemia.
  • Ophthalmologists should investigate potential blood loss events in patients presenting with optic nerve atrophy to diagnose ION.