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Femtosecond laser vs mechanical microkeratome flap creation: higher-order aberration induction comparison

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Session Details

Session Title: LASIK II

Session Date/Time: Tuesday 08/09/2015 | 14:00-16:00

Paper Time: 15:15

Venue: Room 10

First Author: : A.Haddad BELARUS

Co Author(s): :    D. Abelski   V. Krasilnikova   I. Zabarouski              

Abstract Details


To compare changes in higher-order aberrations using different methods of flap creation.


10th Minsk Hospital, Belorussian Medical Academy of post-graduate education, Belarus


In this retrospective study 22 patients (44 eyes) with different myopic refractive errors underwent flap creation only. The average spherical equivalent was -2,25 to 0,00 diopters with average astigmatism of 0,00 to -0,5 diopters. All patients were divided into two groups according to the flap creation method: mechanical microkeratome (Moria M3 Evolution One-Use Plus SBK) and Femtosecond Laser (AMO IntraLase FS 60). Preoperative and 3 months postoperative follow-up corneal aberration measurement was performed.


Both groups showed statistically significant changes in spherical aberration (P < .001). The group with mechanical microkeratome flap creation showed statistically significant trefoil and coma aberration induction in comparison to femtosecond flap creation group.


The group of patients with microkeratome flap creation showed greater induction of higher-order aberrations than the femtosecond laser group.

Financial Interest:


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