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Femtosecond astigmatic keratotomy for postkeratoplasty astigmatism

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Session Details

Session Title: Presented Poster Session: Femtolaser Refractive Applications

Session Date/Time: Saturday 05/09/2015 | 09:30-11:00

Paper Time: 09:50

Venue: Poster Village: Pod 2

First Author: : N.Alsabaani SAUDI ARABIA

Co Author(s): :    S. AlMalki   M. Aljandan   A. Assiri   S. AlSwailem     

Abstract Details


To evaluate the initial outcomes of femtosecond laser arcuate keratotomies (AK) to correct high astigmatism after keratoplasty


King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia


This clinical study included 52 consecutive patients (52 eyes) who underwent Intralase-enabled arcuate keratotomies. Changes in uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity (BCVA), mean refractive and keratometric astigmatism, preoperative and postoperative manifest refraction and complications.


The mean follow-up period was 13.77±4.17 months. Mean BCVA and UCVA improved statistically significantly from 0.30±0.18 LogMAR and 0.90±0.43 LogMAR preoperatively to 0.20±0.14 and 0.60±0.39 postoperatively respectively (P< 0.05, all comparisons). Mean subjective cylinder decreased statistically significantly from 7.15±1.32 D preoperatively to 5.19±2.25 D at the last postoperative visit (P= 0.0002). Two eyes (4%) lost one line or more of BCVA. Three patients (5.8%) had corneal perforation and only one eye required resuturing of the AK wound. Twelve patients (23%) were overcorrected.


AK performed with the femtosecond laser was relatively easy to perform, safe, and effective for treating post-keratoplasty astigmatism. There was a significant improvement in UCVA and BCVA with a very low rate of complications. A larger series is required to refine the nomogram to achieve a greater reduction in cylinder.

Financial Interest:


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