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Toric lens implantation in the treatment of post-keratoplasty astigmatism

Poster Details

First Author: M.Klamann GERMANY

Co Author(s):    J. Gonnermann   C. von Sonnleithner   A. Maier   N. Torun   E. Bertelmann  

Abstract Details


To compare two different toric IOL models independent of their rotational behaviour and efficiency in the treatment of cataract and pre-existing corneal astigmatism after penetrating keratoplasty (PK).


Department of Ophthalmology, University Medicine Charité Berlin, Berlin, Germany.


In this retrospective cohort outcome study, nine-teen eyes from 19 patients with coexisting cataract and corneal astigmatism after PK were included. Group 1 included nine patients (SA60TT, Alcon Inc.), and group 2 included ten patients (AT Torbi 709M, Carl Zeiss Meditec). Best-corrected visual acuity (BCVA) and best-uncorrected visual acuity (UCVA) in logMAR, refractive cylinder, and mean IOL rotation were determined one day, one week, and three months postoperatively.


The UCVA in group 1 decreased from 0.93 ± 0.36 preoperatively to 0.41 ± 0.33 after three months (p=0.011), and in group 2 from 1.13 ± 0.33 to 0.14 ± 0.12 (p<0.001). The BCVA in group 1 decreased from 0.64 ± 0.37 preoperatively to 0.19 ± 0.12 after three months (p=0.004), and in group 2 from 0.66 ± 0.46 to 0.1 ± 0.09 (p<0.001). Refractive cylinder in group 1 decreased from 4.95 D ± 2.99 preoperatively to 1.41 D ± 1.45 after three months (p=0.001), and in group 2 from 4.83 D ± 2.45 to 1.00 D ± 0.43 (p<0.001). Group 1 showed little IOL rotation over time, whereas group 2 remained stable during the follow-up period.


Both toric IOL models offered strong rotational stability and provided satisfactory visual recovery in patients with corneal astigmatism after PK. FINANCIAL INTEREST: NONE

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