Urrets-Zavalia syndrome: report of 2 cases

Urrets-Zavalia syndrome characterized by areflexic mydriasis followed by progressive atrophy of the iris can occur afterfull thickness cornea transplant (penetrating keratoplasty). This is often associated with ocular hypertonia. We here report two cases. A 14-year-old girl with bilateral stage IV keratoconus, who underwent penetrating keratoplasty in the right eye. Immediate postoperative outcome was marked by the appearance of an inflammatory reaction of the anterior chamber with double-cross tyndall effect and pupillary fibrin membrane formation characterized by a tone of 23 mm hg at day21.