[Peripheral ulcerative keratitis].

Peripheral ulcerative keratitis (PUK) is a disorder of the juxtalimbal cornea characterised by a crescent-shape destructive inflammation of corneal stroma. PUK can be associated with various ocular and systemic infectious and non infectious diseases. Different systemic autoimmune vasculitis that can prove potentially fatal may present as PUK. Potentially serious ocular complications of PUK exist. A careful clinical evaluation helps in timely diagnosis and prevention of complications.