Kayser–Fleischer Ring



Greenish discoloration of the periphery of the cornea of the eye caused by increased deposition of copper salts in the body. It is a symptom of Wilson's disease. The accumulated copper is deposited in the corneal limbus in the lamina limitans posterior (Descemet's membrane), causing a circular olive green to brown discoloration at the border between the cornea and the sclera.

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