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Long-term results from a study by Richoz et al (p. 1354) show that corneal collagen cross-linking (CXL) effectively halts the progression of ectasia that has occurred after LASIK or photorefractive keratectomy (PRK). The procedure improves the corrected distance visual acuity (CDVA) and maximum keratometry readings (Kmax), with no serious complications reported. The retrospective, interventional case series included 23 eyes with postoperative progressive ectasia following LASIK and 3 eyes with ectasia after PRK who were treated with CXL. The patients were followed for a mean of 25 months. The investigators found (Read more...)

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