Abstract
ABSTRACTPurpose: To identify risks factors for retreatment post-laser in situ keratomeliusis (LASIK). Materials & Methods: A retrospective chart review from December 2008 to September 2012 identified 1,402 patients (2,581 eyes) that underwent LASIK treatment for myopia with the Intralase™ FS, STAR S4 IR™ Excimer Laser, and WaveScan WaveFront™ technology. In this group, 83 patients were retreated. All charts were reviewed for preoperative age, gender, initial manifest refraction spherical equivalent (MRSE), total astigmatism, and iris registration. Results: Increased incidence rates of retreatment post-LASIK were preoperative age >40 years (p < 0.001), initial MRSE > –3.0 D (p = 0.02), and astigmatism >1D (p = 0.001). Iris registration capture did not significantly reduce the retreatment rate (p = 0.12). Conclusions: Risk factors for retreatment included preoperative age >40 years, initial MRSE > –3.0 D, and astigmatism >1D. There was no difference in retreatment rate for patients based on gender or iris registration capture.
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