A Randomized, Controlled Trial of Corneal Collagen Cross-Linking in Progressive Keratoconus: Three-Year Results – Corrected Proof

Purpose: To report the refractive, topographic, and clinical outcomes 3 years after corneal collagen cross-linking (CXL) in eyes with progressive keratoconus.Design: Prospective, randomized controlled trial.Participants: One hundred eyes with progressive keratoconus were randomized into the CXL treatment or control groups.Methods: Cross-linking was performed by instilling riboflavin 0.1% solution containing 20% dextran for 15 minutes before and during the 30 minutes of ultraviolet A irradiation (3 mW/cm2). Follow-up examinations were arranged at 3, 6, 12, 24, and 36 months.Main Outcome Measures: The primary outcome measure was the maximum simulated keratometry value (Kmax). Other outcome measures were uncorrected visual acuity (UCVA; measured (Read more...)

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