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Purpose: To compare pain severity during laser in situ keratomileusis (LASIK)between first- and second – eye surgery in a Pakistani population.Material and Methods: This was a prospective cohort study. 31 individualseligible for LASIK in both eyes were recruited at a laser clinic between June2012 and November 2015. All underwent surgery using microkeratome andCustomVis Solid state laser. After completion of the procedure, patients ratedseverity of their pain during Lasik on a 4 – point scale (e.g. none, mild, moderate,severe pain) for each eye separately. Wilcoxon signed – rank test was used tocompare pain severity between first- and second – eye surgery.Results: A total of 31 patients (62 eyes) were enrolled in the study. 16 (51.6%)patients perceived more pain in the second eye and 6 (19.4%) in the first one.There were 9 (29.0%) ties. The Wilcoxon signed – rank test showed a statisticallysignificant change in pain perception in the second eye (Z =-2.343; P = 0.019).Conclusions: Patients undergoing LASIK perceived more pain in the secondeye. Larger studies are needed to investigate this finding further, and to identifyfactors influencing this change in pain perception.
Sharmeen Akram, Salman Naveed Sadiq, , Khabir Ahmad. (2015) Pain Perception during Laser in Situ Keratomileusis, , Volume 31, Issue 4.
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