Fleischer ring
Fleischer rings are pigmented rings in the peripheral cornea, resulting from iron deposition[1] in basal epithelial cells, in the form of hemosiderin.[2] They are usually yellowish to dark-brown, and may be complete or broken.
They are named for Bruno Fleischer.[3]
Fleischer rings are indicative of keratoconus,[4] 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. One example of a medical condition that can present with Fleischer rings is Keratoconus.
See also
Other iron lines:
- Hudson–Stahli line, associated with aging
- Limbal ring
References
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