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Cross-linking for keratoconus improves long-term visual acuity, refraction, topography
Corneal collagen cross-linking successfully halted the progression of keratoconus for up to 4 years or more, according to a study.Investigators analyzed 30 patients with early to moderate keratoconus who underwent unilateral corneal collagen cross-linking with riboflavin and ultraviolet A 4 years to 6 years previously. Mean age at the time of cross-linking was 26.3 years; the mean interval between cross-linking and clinical evaluation was 53.3 months.