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Comparison of subjective patient satisfaction following LASIK for myopia in two groups of patients: a single treatment group and a retreatment group

Poster Details

First Author: N.Quesnel CANADA

Co Author(s):    C. Ferremi   F. Roy   G. Louis   R. Sandroussy   M. Boileau   C. Lahaie     

Abstract Details


To compare subjective satisfaction and refractive outcomes of 2 groups of patients after LASIK refractive surgery: a single treatment group (group A ) and a retreatment group (group B). To test for a correlation between subjective satisfaction and the need for an enhancement procedure to obtain the expected refractive result.


Iris Ophthalmology Clinic, Laval, Quebec, Canada


This retrospective study included 200 myopic patients selected according to their date of surgery (2017) using the clinic database. To subjectively evaluate satisfaction, patients answered a questionnaire (sent by email via the Survey Monkey platform) consisting of 8 multiple choice questions related to their satisfaction, dryness symptoms and their need to wear glasses or contact lenses. Four questions were combined to compare the 2 groups in terms of satisfaction. Postoperative ametropias and uncorrected visual acuity (UCVA) at far were computed. The SPSS software was used for statistical analysis. The non-parametric Mann-Whitney U test was used to compare the groups.


Response rate was 13%. In group B, all patients had a flap re-lift at least 3 months after the initial LASIK. Both groups were similar in term of age (32.08±5.84 years vs 34.1± 6.61 years). The mean postoperative spherical equivalent for the right eye in group A was -0.327 ± 0.387D compare to -0.125± 0.412D after the enhancement in group B. 77% of patients in group A achieved an UCVA of 6/6 or better for the right eye compare to 90% in group B. There was no difference between the 2 groups concerning dryness symptoms or subjective satisfaction (p>0.05).


The satisfaction level in both groups of patients 3 months after the last refractive procedure is high and similar to the one reported by previous studies. Moreover, the vast majority of patients (100% in group A and 90% in group B) indicated that the surgery was a good choice for them. Further studies should include a longer follow-up period and more patients to better document the differences in level of satisfaction.

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