Corneal Collagen Cross-linking with Riboflavin and Ultraviolet A Irradiation for Keratoconus: Long-term Results – Corrected Proof

Purpose: To evaluate the long-term results of corneal collagen cross-linking (CXL) in patients with progressive keratoconus. Design: Prospective case series. Participants: This study was conducted on 40 eyes of 32 patients with progressive keratoconus between 2006 and 2012. Methods: Patients underwent CXL no later than 1 month after baseline examinations. For CXL, ultraviolet irradiation was applied for 30 minutes, during which riboflavin instillation was repeated every 3 minutes. Main Outcome Measures: Patients were tested for best-corrected visual acuity (BCVA), uncorrected visual acuity (UCVA), manifest refraction spherical equivalent (MRSE), and Scheimpflug imaging from which we extracted maximum keratometry reading (max-K), average (Read more...)

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