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Table 2 Ocular biometric parameters before and after corneal refractive surgery

From: Unintended changes in ocular biometric parameters during a 6-month follow-up period after FS-LASIK and SMILE

Variable Refractive Status Surgery Group pre pos1w pos1m pos3m pos6m pre vs pos1w pos1w vs pos6m
MSE (D) LM FS-LASIK −3.85 ± 0.87 0.29 ± 0.30 0.18 ± 0.38 0.11 ± 0.28 0.22 ± 0.29 0.000 1.000
SMILE −3.97 ± 0.74 0.23 ± 0.39 0.25 ± 0.39 0.28 ± 0.35 0.23 ± 0.3 0.000 1.000
HM FS-LASIK −6.39 ± 0.79 0.25 ± 0.43 0.21 ± 0.41 0.13 ± 0.50 0.11 ± 0.45 0.000 0.099
SMILE −6.71 ± 1.14 0.01 ± 0.47 0.03 ± 0.47 −0.02 ± 0.4 0.05 ± 0.38 0.000 1.000
Kpm (D) LM FS-LASIK −6.31 ± 0.17 −6.30 ± 0.19 −6.29 ± 0.18 −6.29 ± 0.17 −6.30 ± 0.18 0.911 1.000
SMILE −6.20 ± 0.28 −6.19 ± 0.28 −6.20 ± 0.26 −6.20 ± 0.28 −6.19 ± 0.27 1.000 1.000
HM FS-LASIK −6.27 ± 0.21 −6.24 ± 0.21 −6.23 ± 0.21 −6.24 ± 0.22 −6.23 ± 0.20 0.000 1.000
SMILE −6.32 ± 0.25 −6.32 ± 0.25 −6.31 ± 0.25 −6.30 ± 0.25 −6.30 ± 0.25 0.561 1.000
CCT (μm) LM FS-LASIK 545.08 ± 24.21 465.92 ± 36.71 469.77 ± 36.68 473.88 ± 37.11 474.85 ± 38.38 0.000 0.000
SMILE 545.48 ± 20.34 464.21 ± 19.93 462.58 ± 19.38 467.15 ± 18.03 467.88 ± 19.6 0.000 0.072
HM FS-LASIK 548.94 ± 32.66 434.49 ± 34.3 438.12 ± 34.99 443.53 ± 34.02 446.08 ± 33.94 0.000 0.000
SMILE 552.65 ± 19.97 440.40 ± 20.09 442.15 ± 19.17 447.53 ± 18.49 448.53 ± 18.61 0.000 0.000
IACD (mm) LM FS-LASIK 3.14 ± 0.27 3.05 ± 0.27 3.07 ± 0.29 3.06 ± 0.29 3.05 ± 0.28 0.000 1.000
SMILE 3.15 ± 0.22 3.07 ± 0.23 3.08 ± 0.22 3.08 ± 0.23 3.07 ± 0.21 0.000 1.000
HM FS-LASIK 3.21 ± 0.25 3.11 ± 0.26 3.14 ± 0.26 3.15 ± 0.26 3.13 ± 0.26 0.000 0.100
SMILE 3.19 ± 0.21 3.13 ± 0.21 3.13 ± 0.21 3.13 ± 0.20 3.14 ± 0.20 0.000 1.000
ER (mm) LM FS-LASIK 24.57 ± 0.71 24.54 ± 0.71 24.55 ± 0.71 24.54 ± 0.72 24.53 ± 0.73 0.000 1.000
SMILE 24.98 ± 0.88 24.96 ± 0.88 24.95 ± 0.89 24.95 ± 0.89 24.96 ± 0.89 0.047 1.000
HM FS-LASIK 25.69 ± 0.79 25.68 ± 0.79 25.68 ± 0.79 25.69 ± 0.79 25.7 ± 0.79 0.065 0.585
SMILE 25.67 ± 0.99 25.67 ± 0.99 25.64 ± 0.99 25.62 ± 0.98 25.62 ± 0.98 0.000 1.000
  1. MSE= spherical equivalent refraction, Kpm = mean corneal curvature of posterior surface, CCT= central corneal thickness, IACD= internal anterior chamber, ER= distance from corneal endothelium to retina, LM= group low to moderate myopia group, HM= group high myopia group
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