From the case:
Lisch nodules (photo)
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Multiple brown Lisch nodules or iris hamartomas, a feature of neurofibromatosis (NF1).
Author: Dimitrios Malamos. See case discussion for full attribution.
Case Discussion
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License: This file is licensed under the Creative Commons Attribution 4.0 International license.
Author: Dimitrios Malamos.
Original file: https://commons.wikimedia.org/wiki/File:Lisch_nodules.JPG