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Título : Correlation and regression analysis between residual gradation and uncorrected visual acuity one year after refractive surgery with LASIK, FS-LASIK, PRK, PRK Xtra techniques and the implantation of ICL® posterior chamber phakic lens in myopic correction
Autor: Blanco-Dominguez, Irene ORCID
Duch, Francesc
Polo, Vicente ORCID SCOPUSID
Abad, Jose RESEARCHERID
Gómez Barrera, Manuel ORCID RESEARCHERID SCOPUSID
Garcia-Martin, Elena
Palabras clave : In-situ keratomileusis; Photorefractive Keratectomy; Risk-factors; Retreatment; Ectasia
Fecha de publicación: 11-sep-2020
Editorial : Public Library Science
Citación : Blanco-DominguezI, DuchF, Polo V,AbadJM, Gomez-Barrera M, Garcia-MartinE(2020)Correlationand regression analysisbetweenresidualgradationand uncorrectedvisualacuityone year after refractivesurgerywith LASIK,FS-LASIK,PRK,PRK Xtra techniquesand theimplantation of ICL®posteriorchamberphakiclensin myopiccorrection.PLoSONE 15(9):e0238399 https://doi.org/10.1371/journal.pone.0238399
Resumen : Purpose To analyze the influence of the final spherical equivalent (SE) in LogMAR uncorrected distance visual acuity (UDVA) one year after refractive surgery. We analysed refractive results, their predictability and efficacy, and the safety results of the different methods as secondary outcomes. Setting Refractive Surgery Unit of the Institut Català de Retina (ICR) in Barcelona, Spain. Design Retrospective, analytical observational study. Methods Retrospective and observational study of 654 eyes of 327 patients who underwent refractive surgery to treat their myopia or myopic astigmatism using LASIK, FS-LASIK, PRK, PRK Xtra or ICL-type lens implantation surgery were included. Results The correlation between the SE in absolute value was statistically significant in all techniques utilized, reaching higher values in the FS-LASIK and LASIK techniques, 0.774 and 0.706 respectively, and lesser values in PRK (0.480) and PRK Xtra (0.482). A significant adjustment via a univariate linear regression model could be implemented in all techniques, albeit the R2 coefficient of determination values were higher than those for the FS-LASIK (0.599) and LASIK (0.494) techniques. Conclusions There is a positive correlation between post-surgical SE value and post-operative LogMAR UDVA. These regression models can be adjusted to predict the final UDVA according to the final SE. The techniques that are most influenced by the final SE in terms of their visual results are FS-LASIK and LASIK.
URI : https://repositorio.usj.es/handle/123456789/500
ISSN : 1932-6203
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