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Corneal iron line associated with steep central islands after photorefractive keratectomy
R R Krueger1, I Tersi, T Seiler
1Department of Ophthalmology, Technical University, Dresden, Germany.
Purpose:
To report a new corneal iron deposit after excimer laser photorefractive keratectomy (PRK).
Methods:
Two patients with symptomatic persistent steep central islands were noted to have a corneal iron ring at 6 months to 1 year after surgery. This is different from the central iron spot noted in most patients at 1 year.
Results:
One patient had repeated PRK with improvement of his symptoms and resolution of the iron ring.
Conclusions:
A corneal iron ring after excimer laser PRK suggests the presence of a persistent steep central island of stromal origin. Since corneal iron deposition signifies chronicity, symptomatic patients should be retreated as resolution of the steep central island is not likely to occur.