A 38-year-old woman with advanced keratoconus initially developed Urrets-Zavalia Syndrome (UZS) in the left eye after deep anterior lamellar keratoplasty. During the uneventful surgery. a 7-mm-wide pupil unresponsive to light was noticed. On the first postoperative day. https://www.chincoponydrillteam.com/product-category/belt/