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[Amiodarone treatment and visual prognosis].
1Univ.-Augenklinik Freiburg. schmidtd@aug.ukl.uni-freiburg.de
Klinische Monatsblatter Fur Augenheilkunde
|November 25, 2003
Summary
Amiodarone treatment can cause insidious vision loss, including optic nerve damage. Regular ophthalmological exams are recommended to detect early signs and potentially prevent irreversible vision impairment.
Area of Science:
- Ophthalmology
- Cardiology
- Pharmacology
Background:
- Amiodarone is a highly effective antiarrhythmic drug for tachyarrhythmias.
- No current guidelines recommend regular ophthalmological follow-up for amiodarone patients.
Observation:
- Six patients treated with amiodarone (mean age 71.7) were examined.
- Ophthalmological findings included optic disc swelling, abnormal blue color vision, and optic neuropathy.
Findings:
- One patient developed posterior ischemic optic neuropathy (PION).
- Three patients experienced severe, irreversible optic nerve damage.
- Optic disc swelling resolved in five patients after amiodarone discontinuation.
Implications:
- Amiodarone can lead to insidious visual loss and optic nerve damage.
- Early detection through regular ophthalmoscopy and color vision testing is crucial.
- Discontinuation of amiodarone upon early signs may prevent permanent vision loss.