Fleischer ring
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'''Fleischer rings''' are pigmented rings in the peripheral [[cornea]], resulting from [[iron]] deposition in basal epithelial cells. They are usually yellowish to dark-brown, and may be complete or broken.
Fleischer rings are indicative of [[keratoconus]], a degenerative corneal condition that causes the cornea to thin and change to a conic shape.
=== Confusion with Kayser-Fleischer rings ===
Some confusion exists between Fleischer rings and [[Kayser-Fleischer rings]]. Kayser-Fleischer rings are caused by [[copper]] deposits, and are indicative of [[Wilson's disease]], whereas Fleischer rings are caused by iron deposits.
==References==
* {{cite journal | author=Fleischer, B | title= Über Keratokonus und eigenartige Pigmentbildung in der Kornea| journal=Münchener medizinische Wochenschrift | year=1906 | volume=53 | issue= | pages= 625–626 | url= }}
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[[Category:Ophthalmology]]
[[no:Fleisher ring]]
[[pl:Pierścień Kaysera-Fleischera]]