Narainswami, N. 2024. Acute gastroenteritis and unilateral vision loss leading to a diagnosis of aquaporin-4-IgG seropositive neuromyelitis optica spectrum of disorders in a child: A case of atypical optic neuritis in the era of biomarkers. South African Medical Journal. 114, 6 (May 2024), e1616. DOI:https://doi.org/10.7196/SAMJ.2024.v114i6.1616.