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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

Purpose:

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

Setting:

King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia

Methods:

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.

Results:

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.

Conclusions:

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:

NONE

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