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Related Experiment Videos

Amiodarone induced optic neuropathy.

P K Nagra1, R Foroozan, P J Savino

  • 1Neuro-Ophthalmology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, PA 19107, USA.

The British Journal of Ophthalmology
|March 19, 2003
PubMed
Summary

Amiodarone-induced optic neuropathy presents with vision loss and bilateral optic disc swelling. Discontinuing amiodarone may lead to slow visual improvement and resolution of swelling.

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Area of Science:

  • Neuro-ophthalmology
  • Toxic Optic Neuropathies

Background:

  • Amiodarone is an antiarrhythmic drug with known ocular side effects.
  • Distinguishing amiodarone-induced optic neuropathy from other optic neuropathies is clinically important.

Observation:

  • A retrospective observational case series of three patients with amiodarone-induced optic neuropathy was conducted.
  • Clinical data included visual acuity, color vision, automated perimetry, and funduscopy.
  • Amiodarone was discontinued in consultation with cardiology.

Findings:

  • Patients presented with decreased vision, visual field defects, and bilateral optic disc swelling.
  • Discontinuation of amiodarone led to slow improvement in visual function and optic disc swelling.
  • The condition is typically bilateral and associated with visual dysfunction.

Implications:

  • Early recognition of amiodarone-induced optic neuropathy is crucial for visual preservation.
  • Discontinuation of amiodarone can result in partial or complete visual recovery.
  • Further research is needed to elucidate the exact pathophysiology and long-term outcomes.

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