Refractional results of LASIK retreatment with wavefront-guided ablation versus standard ablation

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dc.contributor.authorUrbano, Andreia Peltier [UNIFESP]
dc.contributor.authorNose, Walton [UNIFESP]
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.date.accessioned2016-01-24T13:51:38Z
dc.date.available2016-01-24T13:51:38Z
dc.date.issued2008-09-01
dc.description.abstractPurpose: To evaluate refractive outcomes of wavefront-guided LASIK (Zyoptix, Bausch & Lomb) versus standard LASIK (PlanoScan, Bausch & Lomb) in retreatment of primary LASIK for myopia and myopic astigmatism. Methods: A prospective, randomized trial with paired eye control of 74 eyes from 37 patients who underwent LASIK retreatment was performed. Each patient underwent retreatment using Zyoptix LASIK in 1 eye and Planoscan LASIK in the contralateral eye. A complete ophthalmologic examination was performed, including evaluation of high contrast visual acuity and manifest refraction, with a follow-up of 6 months. Results: Both Zyoptix and Planoscan groups had similar values of high contrast visual acuity, gain and loss of best spectacle-corrected visual acuity, safety and efficacy indexes, percentage of eyes with spherical equivalent within +/- 0,50 D and +/- 1,00 D in the postoperative period of 6 months. in the Zyoptix group, the values of spherical component and spherical equivalent of manifest refraction were more hyperopic than in the Planoscan group in the postoperative periods of 1 week, 1, 3 and 6 months. the predictability of spherical equivalent correction was better for the Zyoptix group than for the Planoscan group at 6 months. Conclusions: Wavefront-guided LASIK with Zyoptix produces superior refractive outcomes than standard LASIK with Planoscan in retreatment of refractive errors after primary LASIK. High contrast visual acuity measures are not sensitive in showing the best technique.en
dc.description.affiliationUniversidade Federal de São Paulo, Dept Oftalmol, São Paulo, Brazil
dc.description.affiliationUnifespUniversidade Federal de São Paulo, Dept Oftalmol, São Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent651-659
dc.identifierhttp://dx.doi.org/10.1590/S0004-27492008000500008
dc.identifier.citationArquivos Brasileiros de Oftalmologia. São Paulo: Consel Brasil Oftalmologia, v. 71, n. 5, p. 651-659, 2008.
dc.identifier.doi10.1590/S0004-27492008000500008
dc.identifier.fileS0004-27492008000500008.pdf
dc.identifier.issn0004-2749
dc.identifier.scieloS0004-27492008000500008
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/30867
dc.identifier.wosWOS:000273039800008
dc.language.isopor
dc.publisherConsel Brasil Oftalmologia
dc.relation.ispartofArquivos Brasileiros de Oftalmologia
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectRefractive errorsen
dc.subjectCorneaen
dc.subjectKeratomileusisen
dc.subjectlaser in situen
dc.subjectRetreatmenten
dc.subjectLasersen
dc.titleRefractional results of LASIK retreatment with wavefront-guided ablation versus standard ablationen
dc.typeinfo:eu-repo/semantics/article
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