Clinical spectrum of first episode of optic neuritis in a tertiary care hospital in Southern India - A retrospective analysis

The purpose of this study was to determine the demographic and clinical patterns of optic neuritis (ON) in patients presenting to a tertiary health-care institute and to study the incidence of multiple sclerosis (MS), magnetic resonance imaging features in varied ON, treatment outcome, and prognosis. A retrospective analysis of patients with first episode of ON presenting to a tertiary care center during the period from March 2013 to March 2021 was done. Details of ocular examination were retrieved from medical records and statistically analyzed. Three hundred and fifty-four participants with ON were included in this study. The mean age was 40.25 ± 12.2 years. The male: female ratio was 1:1.35. 48.1% had visual acuity of