Kayser–Fleischer ring

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

Kayser–Fleischer rings (KF rings) are dark rings that appear to encircle the cornea of the eye. They are due to copper deposition in the Descemet's membrane as a result of particular liver diseases.

Excerpt from the Wikipedia article “Kayser–Fleischer ring”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Herbert L. Fred, MD, Hendrik A. van Dijk, CC BY 3.0, via Wikimedia Commons.