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Updated: Aug 25, 2025
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Dynamic Visual Tests to Identify and Quantify Visual Damage and Repair Following Demyelination in Optic Neuritis Patients
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Bilateral Parainfectious Optic Neuritis in Young Patient
Sruban Suparmaniam1,2, Wan-Hazabbah Wan Hitam1, Saritrasaraswathy Thilagaraj2
1Department of Ophthalmology and Visual Sciences, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kelantan, MYS.
Cureus
|October 19, 2022
Summary
Parainfectious optic neuritis, an inflammatory optic nerve condition, can cause sudden vision loss after infections. Prompt treatment with corticosteroids led to full vision recovery in a young patient.
Area of Science:
- Ophthalmology
- Neurology
- Infectious Diseases
Background:
- Parainfectious optic neuritis involves optic nerve inflammation following an infection.
- It can result from direct pathogen invasion or immune-mediated demyelination.
- Inflammation of optic disc vasculature is another potential cause.
Observation:
- A 13-year-old boy experienced sudden, painless vision loss in both eyes.
- Symptoms followed a febrile illness two weeks prior.
- Fundoscopy revealed bilateral optic disc swelling and hyperemia.
Findings:
- Initial investigations showed elevated C-reactive protein and ESR, with normal blood counts.
- Cerebrospinal fluid analysis was unremarkable, with no microbial growth.
- Brain and orbital CT/MRI scans were normal, ruling out other pathologies.
Implications:
- This case highlights parainfectious optic neuritis as a cause of bilateral vision loss in young patients.
- Intravenous methylprednisolone followed by oral prednisolone resulted in complete visual recovery.
- Early diagnosis and treatment are crucial for favorable outcomes in parainfectious optic neuritis.
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