Patients experienced less postoperative pain but slower epithelial defect healing rates after undergoing PRK compared with corneal cross-linking, according to a study.
The prospective case series included 34 patients who underwent PRK and 34 patients who underwent CXL. Postoperative pain was analyzed using generalized estimating equations, and the epithelial defect diameters of each patient were measured.
The epithelial defect size was significantly smaller in patients in the CXL group on the first postoperative day (P < .001), but the epithelial defects healed completely after 72 hours in
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