Severe progression of bilateral optic neuritis associated with extensive neuroaxis involvement in an AQP4-seronegative patient: a case report
Case Presentation: A previously healthy 45-year-old female presented in March 2025 with left optic neuritis, partially responsive to methylprednisolone pulse therapy. In August 2025, she developed severe, painless bilateral visual loss (counting fingers) and multifocal neurological signs, including nystagmus, left hemi...