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Effectivity and predictability of astigmatic keratotomy for post-keratoplasty astigmatism

Poster Details

First Author: H.Bayramlar TURKEY

Co Author(s):    R. Karadag   O. Cakici           

Abstract Details


To evaluate the effectivity and predictability of astigmatic keratotomy (AK) for post-keratoplasty astigmatism.


Istanbul Medeniyet University, School of Medicine, Dept. of Ophthalmology


Fourteen eyes of 12 patients were included. A paired of AK with 60-80 degrees with 90% depth of cornea were performed at 0.5 mm inside of the margin of donor cornea.


In 4 eyes (25%), 1 to 2 sutures were necessitated because of significant overcorrection and in 4 eyes (25%) additional lengthening of AK incisions were done because of undercorrection. In one eye (8.33%) both suture addition and incision lengthening was performed in different times. The mean preoperative astigmatism was 10.53 ± 3.94 D (range: 5.67 -19.04 D) and postoperative astigmatism 2.97 ± 0.96 D (range: 2.00 -5.25 D) in a mean follow-up of 9.27 ± 6.72 months (range:1 -21 months).


Astigmatic keratotomy for post-keratoplasty astigmatism is effective. Because of marked unpredictability, lengthening of AK incisions or putting suture may be necessary to enhance the effectivity.

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