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Astigmatic overcorrection possible after LASIK in eyes with low cylinder
LASIK in myopic eyes with a preoperative cylinder of 0.5 D or less may result in astigmatic overcorrection, according to a study.The retrospective cross-sectional study comprised 448 myopic eyes of 448 patients with a preoperative refractive cylinder of 0.75 D or less and a preoperative subjective sphere between –2.75 D and –11.5 D.