Lisch nodule overview

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

A Lisch nodule is a hamartoma (a type of benign tumor) affecting the iris.

These nodules are typically found in neurofibromatosis type 1. They are clear yellow to brown, dome-shaped elevations that project from the surface of the iris. They can be detected by an Optometrist or an ophthalmologist using a slit lamp. These nodules do not affect vision.

They were named after Austrian ophthalmologist Karl Lisch (1907-1999), who published an article about them in 1937.