fixed and dilated pupil [Urrets-Zavalia Syndrome] after penetrating keratoplasty for keratoconus

ABSTRACT

A fixed and dilated pupil [Urrets-Zavalia Syndrome] is an uncommon postoperative complication after penetrating keratoplasty [PKP] and other intraocular procedures. Although the clinical features have been well described, precise etiology of this syndrome is unknown. We describe a case of fixed dilated pupil [Urrets-Zavalia Syndrome] following PKP for keratoconus encountered at the King Khaled Eye Specialist Hospital in Riyadh, Saudi Arabia