Axenfeld-Rieger syndrome (ARS) is characterized by posterior embryotoxon, Axenfeld anomaly (adherent iris strands to Schwalbe's line), and Rieger anomaly (iris hypoplasia with corectopia or pseudopolycoria). There are a few case reports of optic nerve abnormalities associated with 6p25 deletion syndrome, which is a multigenic region that contains the FOXC1 gene. We present 4 patients with ARS, including 1 with a FOXC1 nonsense mutation, who also have prominent congenital optic nerve abnormalities.
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