Journal of Cataract & Refractive Surgery
Photorefractive Keratectomy in Keratoconus: Long-Term Outcomes from a Pre-Cross-Linking Era Cohort
Purpose: To describe long-term visual, refractive, and topographic outcomes after photorefractive keratectomy (PRK) in keratoconus patients treated before corneal cross-linking (CXL) became available. Setting: Single private ophthalmic center in Bogotá, Colombia. Design: Retrospective observational study. Methods: 1,532 archived paper charts from all patients at the practice between 1996 and 2004 were screened. Patients with keratoconus who underwent PRK using multiple excimer laser techniques, with adequate preope …