ATHENS, Greece — A combination of PRK and accelerated corneal cross-linking, called PRK Xtra, may be a way to perform refractive surgery in eyes with suspicious corneal topography, according to a study presented at the European Society of Cataract and Refractive Surgeons Winter Meeting.
“Targeted undercorrection by 10% of preoperative [spherical equivalent] refraction resulted in effectively achieving postoperative refraction within ±0.5 D,” Michael Grentzelos, MD, said.
Asymmetric bow tie patterns, skewed radial axis and/or inferior steepening of the axis by 1 D or
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