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Session Title: Phakic IOL Implantation II
Session Date/Time: Wednesday 09/10/2013 | 08:00-10:30
Paper Time: 08:24
Venue: E104-105 (First Floor)
First Author: : P.Peńa-Garcķa SPAIN
Co Author(s): : J. Alio K. Pachkoria F. Soria
To evaluate internal aberrometric profiles following phakic intraocular lens implantation.
Vissum Corporación. Alicante (Spain)
105 eyes of 65 patients) were included. The optical aberrations were measured with the aberrometer Topcon KR-1W. Comparisons of internal aberrations for different models were made. Comparison at 4 and 6 mm were made also within the same model for all the lenses. Comparisons attending to implantation site were also performed: angle-supported (AS) anterior chamber (n=47), iris-fixated (IF) (n=27) and posterior chamber (PC) (n=31).
Root-mean square (RMS) of internal optic higher order aberrations (HOAs) changed significantly to higher values from 4 to 6mm aperture diameter in each pIOL as should be expected. However, this significant change was not detected in spherical aberration for Kelman Duet (p=0.753) and in trefoil for Acrysoft (p=0.059). Kelman lens showed significant lower values of spherical aberration compared to Acrysoft at 4mm (p=0.022) and at 6mm (p=0.042). Acrysoft showed the lowest values at central zone for trefoil (p=0.043) and tetrafoil (0.002) in AC group. In the IF group, Artisan and Artiflex showed similar results for all internal aberrations. In the comparison between ICL and PRL, both for posterior chamber, significant lower values of coma were observed for ICL (p=0.033). IF lenses showed clinical evidence, but not significant, better centering capability than AS lenses (p=0.096)
The study of intraocular aberrations is an adequate method to identify the clinical optical behavior and could help the surgeon to identify the most frequent problems related with each model.
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