Anterior uveitis secondary to intraocular fiber from a hair enhancement product.

Purpose: To report a case of anterior uveitis caused by migration of cosmetic "hair-building fibers" into the anterior chamber and discuss previous literature describing ocular disease caused by small foreign fibers.

Observations: A 73 year old male presented with his first episode of acute anterior uveitis. He was found to have a white fiber penetrating through the cornea into the anterior chamber.