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Updated: Mar 7, 2026
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The Rodent Model of Nonarteritic Anterior Ischemic Optic Neuropathy rNAION
Published on: November 20, 2016
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Bilateral Simultaneous Nonarteritic Anterior Ischaemic Optic Neuropathy: Case Report.
Fatih C Gundogan1, Soner Guven1, Umit Yolcu2
1Department of Ophthalmology, Gulhane Military Medical Academy Ankara Turkey.
Neuro-Ophthalmology (Aeolus Press)
|February 8, 2017
Summary
Bilateral simultaneous nonarteritic anterior ischaemic optic neuropathy (NAION) is a rare condition. This case study shows significant visual recovery with systemic steroid therapy.
Area of Science:
- Ophthalmology
- Neurology
Background:
- Nonarteritic anterior ischaemic optic neuropathy (NAION) typically affects one eye.
- Bilateral simultaneous NAION is exceptionally rare, posing diagnostic challenges.
Observation:
- A 57-year-old woman presented with sudden, severe vision loss in both eyes.
- Ophthalmic examination revealed bilateral optic disc edema and splinter hemorrhages.
- Patient had risk factors including hypertension and glucose intolerance.
Findings:
- Initial visual acuity was poor: hand movements (right eye) and light perception (left eye).
- Inflammatory markers and temporal artery biopsy results excluded giant cell arteritis.
- Systemic steroid therapy led to substantial visual improvement over 16 months.
Implications:
- This case highlights the possibility of recovery in rare bilateral NAION cases.
- Early diagnosis and prompt treatment with systemic steroids may be crucial.
- Further research is needed to understand the pathophysiology and optimal management of bilateral NAION.
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