University of Iowa Health Care

Ophthalmology and Visual Sciences

EyeRounds Photo Quiz #3

Compiled by Tyler Risma, MD


Image 2


Q3: The hyperpigmented areas in this photograph contain branches from what anatomic structure?

A3: Axenfeld nerve loops are a normal anatomic landmark often located ~2.5-3mm posterior to the limbus. They are derived from loops of the long posterior ciliary nerve within the sclera. They often are surrounded by pigment or share a scleral emissary with an artery.

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last updated: 05/07/2015
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