Potassium permanganate (KMnO 4 ) is a versatile chemical compound with a wide range of applications, including water disinfection, industrial decolorization processes, and the treatment of certain dermatological conditions.At higher concentrations, it can cause severe chemical irritation and burns to the skin, mucous membranes, or eyes.This article presents a unique case of accidental eye injury in a 36-year-old patient, a rare type of injury characterized by a distinct brown discoloration on the affected surface.When such injuries occur, they can lead to serious complications.This case report aims to raise awareness among ophthalmologists regarding the adverse effects of KMnO 4 on ocular tissue.This article follows the CARE guidelines for case reports.