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LASIK as a solution for high hypermetropia

Poster Details

First Author: A.Alikadic Husovic BOSNIA AND HERZEGOVINA

Co Author(s):    M. Bohac   A. Pasalic   A. Pidro   M. Ahmedbegovic Pjano   S. Grisevic  

Abstract Details


To evaluate safety and efficacy of LASIK procedure in high hypermetropia.


Eye Clinic „Svjetlost“, Sarajevo, Bosnia and Herzegovina University Eye Hospital “Svjetlost”, Zagreb, Croatia


Retrospective study on 160 patients(266 eyes) who underwent LASIK procedure for hypermetropia between 3.00 and 7.0diopters(D) and cylinder up to 2.0D in period from January 2011 to August 2013.. All ablations were performed on Wavelight Allegretto Eye Q excimer laser with aberration free module and centered on corneal vertex. All flaps were cut with Moria M2 mechanical microkeratome(90µm head). Preoperative and postoperative uncorrected and corrected distant visual acuity(UDVA, CDVA), spherical equivalent (SE) and aberrometry for 5mm pupil were measured. Measurements were taken at 1 week,1,3,6 and 12 months after the surgery. Wilcoxon Signed Ranks Test was used for statistical analysis.


Postoperative UDVA was lower than preoperative CDVA at 1 week(p=0,001),at 1 month was no difference(p=0,099), at 3,6 and 12 months UDVA was better(p<0,0001).Preoperative SE was 4.69±1.2D(+3.75 to +7.5D).At 1 week SE was 0.03±0.67D(-0.5 to + 0.63D), while at 1 year regressed to 0.58±0.56D(+0.25 to+ 0.88D). Sphere shifted from negative values targeted in treatment planning to compensate for regression to positive values. There was significant difference in SE at every time point(p<0.0005). In both groups there was a significant increase in coma(p<0.0001), trefoil(p<0.0001,p=0.0006) and spherical aberration(p=0.022,p=0.0052) at 1 week and 1 month postoperatively, without change throughout the rest of follow up.


LASIK for high hypermetropia showed satisfactory results in postoperative refraction with reasonable regression without lost of lines of visual acuity, however more test are necessary to asses optical quality.

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