Purpose : To present a case of typical Cogan syndrome (CS) and the efficacy of topical cyclosporine A in the treatment

Case report : A 38-year-old woman with history of dizziness, loss of bilateral hearing and tinnitus in both ears who developed bilateral keratitis and on biomicroscopic examination, subepithelial stromal infiltration, corneal vascularization was observed in both eyes. Anterior chamber and posterior segment were not explorable. Ultrasonography showed vitreous opacities, but the retina was on. Typical cyclosporine A was used which successfully resolved the symptoms. However, the ocular signs recurred during seven years and the same treatment was applied successfully.

Conclusion : Topical cyclosporin A can be effective in treating CS.