Table 5.

Comparison of corneal asphericity of anterior surface at 3, 5, and 7 mm zones before and 3 months after ReLEx SMILE

Corneal asphericity (Q-value): anterior surface	Low myopia	Moderate myopia	High myopia
3 mmQ
Pre-op	−0.20±0.14	−0.21±0.21	−0.24±0.23
Post-op	0.25±0.16	0.45±0.68	0.04±0.49
P-value	0.653	0.015	<0.001
5 mmQ
Pre-op	−0.37±0.13	−0.27±0.15	−0.28±0.18
Post-op	−0.47±0.22	−0.03±0.43	0.57±0.45
P-value	0.026	<0.001	<0.001
7 mmQ
Pre-op	−0.35±0.07	−0.30±0.13	−0.32±0.14
Post-op	−0.33±0.16	0.05±0.36	0.63±0.44
P-value	0.833	<0.001	<0.001

Note: Data are presented as Mean ± SD.

Abbreviations: post-op, post-operative; pre-op, pre-operative; ReLEx SMILE, Refractive Small Incision Lenticule Extraction.