Higher-order aberrations after wavefront-optimized photorefractive keratectomy and laser in situ keratomileusis
作者： Bradley J. Randleman , Claudia E. Perez-Straziota , Michelle H. Hu , Alfred J. White , Evan S. Loft
DOI: 10.1016/J.JCRS.2008.10.032
关键词:
摘要: Purpose To analyze the changes in higher-order aberrations (HOAs) that occur after wavefront-optimized photorefractive keratectomy (PRK) and laser situ keratomileusis (LASIK). Setting Emory Eye Center Vision, Atlanta, Georgia, USA. Methods This retrospective analysis comprised eyes had PRK or LASIK from June 2004 through October 2005. Postoperative outcome measures included 3-month uncorrected visual acuity (UCVA), best spectacle-corrected (BSCVA), manifest refraction spherical equivalent (MRSE), root mean square (RMS) grouped coefficient HOAs (microns) measured with a corneal analyzer, subjective assessment of aberrations. Results One hundred consecutive 54 patients PRK, 100 contemporaneous 71 LASIK. The populations were similar general demographics, preoperative HOAs, postoperative UCVA BSCVA. MRSE was slightly hyperopic (mean +0.11 diopters [D]) myopic −0.19 D) (P Conclusions Wavefront-optimized excimer surgery did not induce significant 2 techniques equally efficacious HOA profiles.
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