Kayser-Fleischer rings are pigmented rings in the peripheral cornea, resulting from copper deposition in Descemet's membrane. They are usually brownish or greenish-yellow, encircling the whole cornea.

Kayser-Fleischer rings are a sign of Wilson's disease, which involves abnormal copper handling by the liver resulting in copper accumulation in the body and is characterised by cerebral degenerative changes, liver cirrhosis, splenomegaly, involuntary movements, muscle rigidity, psychic disturbances, and dysphagia.

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Eponymous medical signs

Kayser-Fleischer-Kornealring

Ophthalmology