Revised Clinical Review: Onchocerciasis (River Blindness) – Pathophysiology, Diagnosis, and Management According to Current Evidence-Based Guidelines
Epidemiology & Global Burden Onchocerciasis, caused by the parasitic nematode Onchocerca volvulus, remains the second leading cause of infective blindness globally—after trachoma—despite massive control efforts. As of 2023, endemic transmission persists primarily in 31 countries across Sub-Saharan Africa (accounting for >99% of cases), with foci in Yemen and six focal areas in Latin America (Guatemala,…
