Abstract
Introduction
Non-arteritic anterior ischemic optic neuropathy (NAION) is the most common cause of optic nerve swelling and optic neuropathy in adults over 50 years of age. It has been rarely reported during pregnancy, mostly related to systemic and ocular predisposing conditions.
Case Report
We report the case of a 44 years-old healthy female with no previous remarkable clinical history. She had in vitro fertilisation treatment to get pregnant. 18 days after uneventful cesarean section she referred sudden painless vision loss in her right eye (RE), denser inferiorly, with concurrent optic disc edema and relative afferent pupillary defect. Steroid intravenous treatment during the acute episode showed no improvement. Our patient showed normal magnetic resonance imaging (MRI), blood test, autoimmune disease biomarkers, infectious serology and inflammatory markers. She was diagnosed of RE NAION. After one year follow-up visual field defect remains stable.
Conclusion
As far as we know this is the first report of NAION after in vitro fertilisation, uneventful pregnancy and cesarean section showing no systemic or ocular risk factors other than a small cup to disc ratio. Hemodynamic and hormonal changes during late pregnancy and uneventful cesarean section can trigger an episode of NAION in a healthy young woman.
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