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A Novel CYP1B1 Mutation with Congenital Glaucoma and Total Aniridia.


Abstract Purpose: Primary congenital glaucoma is a common disorder in the Middle East mainly caused by mutations in the the CYP1Bl gene. We report a family with three siblings that presented with recalcitrant childhood glaucoma, aniridia in two siblings with a novel CYP1B1 gene mutation. Materials and methods: Review of pedigree, clinical history and clinical course of the family. Genetic testing in the affected family members. Results: Three sisters presented with clinical findings of severe congenital glaucoma and a positive family history. Clinical examination of two of sisters revealed corneal scarring, bilateral aniridia with severe glaucoma that required multiple surgical procedures to control intraocular pressure. The third sibling presented with garden-variety primary congenital glaucoma. Genetic analysis revealed a novel CYP1B1 gene mutation (g.8291 C>T; p.S485F). Conclusion: CYP1B1 mutation related congenital glaucoma can present with an extreme form of anterior segment dysgenesis that includes recalcitrant glaucoma, corneal opacification and aniridia.