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

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. Refractive...

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Veröffentlicht in:PloS one 2020-09, Vol.15 (9), p.e0238399-e0238399
Hauptverfasser: Blanco-Dominguez, Irene, Duch, Francesc, Polo, Vicente, Abad, José M, Gomez-Barrera, Manuel, Garcia-Martin, Elena, Mohan, Rajiv R
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creator Blanco-Dominguez, Irene
Duch, Francesc
Polo, Vicente
Abad, José M
Gomez-Barrera, Manuel
Garcia-Martin, Elena
Mohan, Rajiv R
description 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. Refractive Surgery Unit of the Institut Català de Retina (ICR) in Barcelona, Spain. Retrospective, analytical observational study. 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. 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 R.sup.2 coefficient of determination values were higher than those for the FS-LASIK (0.599) and LASIK (0.494) techniques. 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.
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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.</abstract><cop>San Francisco</cop><pub>Public Library of Science</pub><pmid>32915816</pmid><doi>10.1371/journal.pone.0238399</doi><tpages>e0238399</tpages><orcidid>https://orcid.org/0000-0002-2170-3130</orcidid><oa>free_for_read</oa></addata></record>
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subjects Ablation
Acuity
Age
Astigmatism
Biology and Life Sciences
Care and treatment
Cornea
Correlation
Correlation analysis
Eye (anatomy)
Eye surgery
Implantation
Laser in situ keratomileusis
Lasers
Lenses
Medicine and Health Sciences
Methods
Myopia
Patient outcomes
Photorefractive keratectomy
Regression analysis
Regression models
Retina
Statistical analysis
Surgery
Surgical techniques
Values
Visual acuity
title 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
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