$A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery$
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A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery

Michele D Lee,1 Lisa Y Chen,2 Elaine M Tran,2 Edward E Manche2 1Department of Ophthalmology, University of Washington, Seattle, WA, USA; 2Byers Eye Institute, Stanford University School of Medicine, Palo Alto, CA, USACorrespondence: Edward E MancheByers Eye Institute, Stanford University School of M...

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Autores principales:	Lee MD, Chen LY, Tran EM, Manche EE
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2020
Materias:	lasik prk refractive surgery retreatment Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/6fee6a98e645456f9ec78e76f543b5b2
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spelling	oai:doaj.org-article:6fee6a98e645456f9ec78e76f543b5b22021-12-02T15:41:59ZA Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery1177-5483https://doaj.org/article/6fee6a98e645456f9ec78e76f543b5b22020-10-01T00:00:00Zhttps://www.dovepress.com/a-prospective-comparison-of-wavefront-guided-lasik-versus-wavefront-gu-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Michele D Lee,1 Lisa Y Chen,2 Elaine M Tran,2 Edward E Manche2 1Department of Ophthalmology, University of Washington, Seattle, WA, USA; 2Byers Eye Institute, Stanford University School of Medicine, Palo Alto, CA, USACorrespondence: Edward E MancheByers Eye Institute, Stanford University School of Medicine, 2452 Watson Court, Palo Alto, CA 94303, USATel +1 650-723-6995Fax +1 650-498-6488Email Edward.Manche@stanford.eduPurpose: To compare the results of retreatment with wavefront-guided LASIK versus wavefront-guided PRK for residual refractive error following previous myopic keratorefractive surgery.Methods: In this prospective study, 32 eyes of 28 patients after prior myopic keratorefractive surgery underwent retreatment with flap-lift wavefront-guided LASIK (n = 12) or wavefront-guided PRK (n = 20) for residual refractive error. Safety, efficacy, predictability, and wavefront outcomes were evaluated.Results: At last follow-up, both LASIK and PRK retreatment resulted in similar improvement in visual acuity with respective mean ± standard deviation (SD) uncorrected distance visual acuity of − 0.07 ± 0.11 logMAR and − 0.06 ± 0.13 logMAR (p = 0.87). In the study, 16.7% of LASIK and 33.3% of PRK eyes gained one or more lines of best-corrected distance visual acuity (CDVA), while 16.7% and 9.5% of eyes lost one or more lines of CDVA with LASIK and PRK, respectively. One hundred % of LASIK eyes and 89.5% of PRK eyes were within ± 0.50 diopters of emmetropia. Wavefront analysis demonstrated similar reductions in total RMS error higher-order aberrations (p = 0.84) with no difference in coma, trefoil, or spherical aberration between eyes undergoing LASIK or PRK retreatment.Conclusion: Wavefront-guided LASIK and wavefront-guided PRK following previous keratorefractive surgery demonstrate similar safety, efficacy, and predictability with comparable wavefront outcomes.Keywords: LASIK, PRK, refractive surgery, retreatmentLee MDChen LYTran EMManche EEDove Medical Pressarticlelasikprkrefractive surgeryretreatmentOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 14, Pp 3411-3419 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	lasik prk refractive surgery retreatment Ophthalmology RE1-994
spellingShingle	lasik prk refractive surgery retreatment Ophthalmology RE1-994 Lee MD Chen LY Tran EM Manche EE A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery
description	Michele D Lee,1 Lisa Y Chen,2 Elaine M Tran,2 Edward E Manche2 1Department of Ophthalmology, University of Washington, Seattle, WA, USA; 2Byers Eye Institute, Stanford University School of Medicine, Palo Alto, CA, USACorrespondence: Edward E MancheByers Eye Institute, Stanford University School of Medicine, 2452 Watson Court, Palo Alto, CA 94303, USATel +1 650-723-6995Fax +1 650-498-6488Email Edward.Manche@stanford.eduPurpose: To compare the results of retreatment with wavefront-guided LASIK versus wavefront-guided PRK for residual refractive error following previous myopic keratorefractive surgery.Methods: In this prospective study, 32 eyes of 28 patients after prior myopic keratorefractive surgery underwent retreatment with flap-lift wavefront-guided LASIK (n = 12) or wavefront-guided PRK (n = 20) for residual refractive error. Safety, efficacy, predictability, and wavefront outcomes were evaluated.Results: At last follow-up, both LASIK and PRK retreatment resulted in similar improvement in visual acuity with respective mean ± standard deviation (SD) uncorrected distance visual acuity of − 0.07 ± 0.11 logMAR and − 0.06 ± 0.13 logMAR (p = 0.87). In the study, 16.7% of LASIK and 33.3% of PRK eyes gained one or more lines of best-corrected distance visual acuity (CDVA), while 16.7% and 9.5% of eyes lost one or more lines of CDVA with LASIK and PRK, respectively. One hundred % of LASIK eyes and 89.5% of PRK eyes were within ± 0.50 diopters of emmetropia. Wavefront analysis demonstrated similar reductions in total RMS error higher-order aberrations (p = 0.84) with no difference in coma, trefoil, or spherical aberration between eyes undergoing LASIK or PRK retreatment.Conclusion: Wavefront-guided LASIK and wavefront-guided PRK following previous keratorefractive surgery demonstrate similar safety, efficacy, and predictability with comparable wavefront outcomes.Keywords: LASIK, PRK, refractive surgery, retreatment
format	article
author	Lee MD Chen LY Tran EM Manche EE
author_facet	Lee MD Chen LY Tran EM Manche EE
author_sort	Lee MD
title	A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery
title_short	A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery
title_full	A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery
title_fullStr	A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery
title_full_unstemmed	A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery
title_sort	prospective comparison of wavefront-guided lasik versus wavefront-guided prk after previous keratorefractive surgery
publisher	Dove Medical Press
publishDate	2020
url	https://doaj.org/article/6fee6a98e645456f9ec78e76f543b5b2
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A Prospective Comparison of Wavefront-Guided LASIK versus Wavefront-Guided PRK After Previous Keratorefractive Surgery

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