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Table 4 Time courses of the optical quality parameters after EVO-ICL

From: Comparison of visual quality after EVO-ICL implantation and SMILE to select the appropriate surgical method for high myopia

  Preoperative Postoperative period
1 week 1 month 3 month
MTF cutoff frequency (cpd) 48.46 ± 5.18 44.48 ± 5.51 47.17 ± 10.23 48.96 ± 3.69
P-value   P1 = 0.000* P2 = 1.000 P3 = 1.000
SR 0.26 ± 0.06 0.22 ± 0.03 0.24 ± 0.08 0.26 ± 0.06
P-value   P1 = 0.010* P2 = 0.749 P3 = 1.000
OV 100% 1.61 ± 0.13 1.45 ± 0.29 1.55 ± 0.33 1.59 ± 0.17
P-value   P1 = 0.002* P2 = 0.439 P3 = 1.000
OV 20% 1.22 ± 0.21 1.03 ± 0.12 0.12 ± 0.31 1.14 ± 0.25
P-value   P1 = 0.000* P2 = 0.621 P3 = 0.778
OV 9% 0.72 ± 0.15 0.61 ± 0.09 0.67 ± 0.14 0.69 ± 0.16
P-value   P1 = 0.001* P2 = 0.772 P3 = 1.000
OSI 0.41 ± 0.11 0.54 ± 0.26 0.40 ± 0.55 0.43 ± 0.13
P-value   P1 = 0.003* P2 = 0.633 P3 = 1.000
  1. P1 = P-value of the difference between visual quality parameters before surgery and one week after surgery; P2 = P-value of the difference between visual quality parameters before surgery and one month after surgery; P3 = P-value of the difference between visual quality parameters before surgery and three months after surgery
  2. MTF modulation transfer function, OSI objective scattering index, OV OQAS value
  3. *P < 0.05 = significant difference