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Results of toric intraocular lens implantation for the correction of post-keratoplasty astigmatism

Session Details

Session Title: Cataract I

Session Date/Time: Friday 15/02/2013 | 10:30-12:30

Paper Time: 11:58

Venue: Hall 2

First Author: : J.Serino PORTUGAL

Co Author(s): :    B. Vieira   P. Moreira   A. Lemos   C. Menezes   P. Rodrigues  

Abstract Details


To determine the efficacy of cataract extraction with implantation of toric intraocular lenses (tIOL) after penetrating keratoplasty to correct high astigmatism.


Hospital Pedro Hispano, Oporto, Portugal.


Six eyes of 6 patients (mean, 61 years; range, 52-79 years) who had substantial astigmatism after penetrating corneal grafts underwent phacoemulsification with tIOL implantation. Uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity (BSCVA), refraction, endothelial cell count (ECC) were measured before and 4 months after surgery. Anterior corneal topography using a Scheimpflug videophotography system and patient satisfaction were also assessed.


The mean +/- standard deviation of the preoperative refractive cylinder was -4,42+/-1,36 diopters (D; range, -2,0 to -6,0 D) which was reduced to -0,46+/-0,25 D at 6 months. Spherical equivalent was reduced from -4,38+/-4,27 D before surgery to -0,39+/-0,44 at the final follow-up. There was a gain of uncorrected and best-corrected visual acuities from 0,08+/-0,25 and 0,30+/-0,25 to 0,52+/-0,18, and 0,60+/-1,67, respectively. The percent reduction in refractive astigmatism was 89,6%. The mean endothelial cell loss with phacoemulsification was 7,5% at the last follow-up.


Toric intraocular lens implantation after penetrating keratoplasty was effective for reduction of refractive astigmatism. All patients were very satisfied with post-operative visual results.

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