Aim: To compare the changes in anterior corneal surface aberration characteristics after small-incision lenticule extraction (SMILE) versus Q-value-guided femtosecond laser-assisted in situ keratomileusis (Q-FS-LASIK) Methods: In this prospective comparative study, 102 patients with myopia and myopic astigmatism were divided between the SMILE and Q-FS-LASIK groups, consisting of 51 patients each. High order aberration (HOA), primary spherical aberration (PSA), and primary coma aberration (PCA) of the central 6 mm region of the anterior corneal surface were quantitatively assessed using pre-and post-operative Sirius scanning, and then statistical analysis with repeated measures analysis of variance.
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Zhang et al. (2018) studied this question.
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