Anterior Lamellar Keratoplasty and Penetrating Keratoplasty for Keratoconus: An IRIS (Intelligent Research in Sight) Registry Analysis.
PURPOSE The aim of this study was to compare preoperative determinants of procedure selection and long-term outcomes between anterior lamellar keratoplasty (ALK) and penetrating keratoplasty (PKP) in patients with keratoconus in the United States. METHODS A total of 10,405 eyes from patients with keratoconus undergoi...