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Table 2 Comparison of the ICL haptic related parameters between eyes with different ICA groups

From: The influence of iris -ciliary angle (ICA) on the vault after implantation of V4c implantable collamer lens: a chain mediation model of ICL haptic related factors

Parameters

Low ICA group

Moderate ICA group

High ICA group

P Value

The haptic in ciliary sulcus (%)

71.29(77/108)

46.51(240/516)

24.00(24/100)

< 0.001abc

The haptic in the ciliary body (%)

25.93(28/108)

42.83(221/516)

59.00(59/100)

< 0.001abc

The haptic under the ciliary body (%)

2.77(3/108)

10.65(55/516)

17.00(17/100))

0.003 ac

ftICL haptic(mm)

0.76 ± 0.19

0.85 ± 0.16

1.04 ± 0.18

< 0.001abc

lpICL haptic (mm)

0.84 ± 0.18

0.93 ± 0.16

1.06 ± 0.17

< 0.001abc

lpICL – ftICL(mm)

0.06(0.00,0.11)

0.08(0.00,0.14)

0.03(0.00,0.13)

0.13

HTH (mm)

HTH- STShorizontal(mm)

11.62 ± 0.45

0.06(-0.33,0.56)

11.63 ± 0.47

0.20(-0.13,0.49)

11.63 ± 0.55

0.32(-0.03,0.58)

0.99

0.43

enCornea-ICL haptic(mm)

1.68 ± 0.27

1.65 ± 0.23

1.72 ± 0.26

0.37

ICL arc(mm)

1.49 ± 0.26

1.45 ± 0.22

1.52 ± 0.26

0.35

Lens arc(mm)

0.89 ± 0.19

0.92 ± 0.19

1.11 ± 0.23

< 0.001bc

Lens arc-CLR (mm)

0.44 ± 0.21

0.54 ± 0.22

0.64 ± 0.18

0.003c

ICL arc-Lens arc(mm)

0.64 ± 0.34

0.53 ± 0.25

0.41 ± 0.35

0.12c

vault(mm)

604.70 ± 230.88

526.93 ± 226.83

409.56 ± 294.90

0.02c

  1. ftICL haptic the final tip point of ICL haptic, lpICL haptic the lowest point of ICL haptic, lpICL – ftICL the difference between the lpICL and ftICL, HTH The ICL haptic diameter, HTH- STShorizontal the difference between the HTH and STS, enCornea-ICL haptic the corneal endothelium to ICL haptic, ICL arc the posterior of the ICL to ICL haptic, Lens arc the height of the crystalline lens from the ICL haptic, Lens arc-CLR the difference between the lens arc and CLR, ICL arc-Lens arc the difference between the ICL arc and Lens arc
  2. a P < 0.01 for the difference between low ICA and moderate ICA group
  3. b P < 0.01for the difference between moderate ICA and high ICA group
  4. c P < 0.01 for the difference between low ICA and high ICA group