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Table 4 The HOA on the total corneal of the two surgical incisions groups (mean ± SD)

From: The comparison of corneal higher-order aberration and surgically induced astigmatism between the clear corneal incision and the limbus tunnel incision of posterior chamber implantable collamer lens implantation

Group

Time

n

TMAS

HOA

Z3-1

Z31

Z40

CCI

Preoperative

70

2.65 ± 1.37

0.71 ± 0.49

0.20 ± 0.40

0.13 ± 0.21

0.28 ± 0.16

1Week

 

3.30 ± 1.85

0.99 ± 0.66

0.18 ± 0.57

0.19 ± 0.23

0.27 ± 0.19

1Month

 

2.76 ± 1.56

0.75 ± 0.64

0.22 ± 0.57

0.13 ± 0.17

0.17 ± 0.24

3Month

 

2.60 ± 0.82

0.71 ± 0.368

0.04 ± 0.34

0.20 ± 0.13

0.27 ± 0.11

6Month

 

2.86 ± 0.91

0.61 ± 0.169

0.05 ± 0.27

0.17 ± 0.15

0.25 ± 0.14

LTI

Preoperative

 

2.20 ± 0.77

0.57 ± 0.17

0.10 ± 0.25

0.11 ± 0.16

0.26 ± 0.11

1Week

57

2.76 ± 0.97

0.85 ± 0.49

0.12 ± 0.39

0.15 ± 0.19

0.17 ± 0.19*

1Month

 

2.60 ± 0.76

0.62 ± 0.21

0.12 ± 0.34

0.16 ± 0.18

0.21 ± 0.08

3Month

 

2.22 ± 0.90

0.67 ± 0.26

0.07 ± 0.25

0.09 ± 0.17*

0.23 ± 0.08

6Month

 

2.04 ± 0.61*

0.61 ± 0.11

0.14 ± 0.23

0.15 ± 0.18

0.23 ± 0.11

  1. CCI is the clear corneal incision group, LTI is the limbus tunnel incision group, TMAS the total Zernike root mean square, HOA the Zernike root mean square higher order, Z3−1 the horizontal coma, Z31 the Vertical coma, Z40 the 4th order spherical aberration
  2. *P-value < 0.05