PURPOSE: To report 18-month follow-up after transepithelial cross-linking (CXL) in young patients. METHODS: Thirteen eyes with keratoconus were evaluated (mean patient age: 14.4±3.7 years [range: 8 to 18 years]). Corrected distance visual acuity (CDVA); spherical equivalent refraction; keratometry (K); coma, spherical aberration, and higher order aberrations (HOAs) for a 5.0-mm pupil; and thinnest point were measured preoperatively and 1, 3, 6, 9, 12, and 18 months postoperatively by Scheimplflug camera. Endothelial cell density and anterior segment optical coherence tomography were also evaluated. Paired Student t test was used to compare preoperative and 12- and 18-month postoperative data. P.05). The mean demarcation line depth was 105 μm. No side effects were observed. CONCLUSIONS: Transepithelial CXL appears to be a safe treatment in children. Although improved CDVA was noted 18 months after treatment, this technique does not effectively halt keratoconus progression in children compared to standard CXL.
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