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Table 2 Higher-order aberration in eyes undergoing phakic posterior chamber implantable contact lens implantation (V4c) and laser in situ keratomileusis for 6-mm pupils at three months postoperatively

From: Comparison of accommodation and accommodative micro-fluctuation after implantable collamer lens and LASIK surgery for myopia

Parameters

ICL Group

LASIK Group

t

P value

Ocular

  Total HOA changing (Δ total HOA)

6.21 ± 1.43

5.67 ± 2.23

1.05

0.30

 Coma changing (Δ Coma)

−0.10 ± 0.16

− 0.24 ± 0.19

2.81

0.01

 Trefoil changing (Δ Trefoil)

−0.04 ± 0.13

− 0.05 ± 0.12

0.34

0.73

 SA changing (Δ SA)

−0.04 ± 0.14

−0.05 ± 0.13

0.31

0.75

Corneal

 Total HOA changing (Δ total HOA)

−0.20 ± 0.51

−0.49 ± 0.77

1.66

0.09

 Coma changing (Δ Coma-like aberrations)

0.08 ± 0.10

−0.32 ± 0.25

6.36

<.001

 Trefoil changing (Δ Trefoil-like aberrations)

−0.05 ± 0.14

− 0.04 ± 0.10

0.39

0.69

 SA changing (Δ Spherical aberration)

−0.02 ± 0.05

− 0.17 ± 0.11

0.99

<.001

Internal

 Total HOA changing (Δ total HOA)

4.30 ± 0.15

4.75 ± 2.30

0.86

0.40

 Coma changing (Δ Coma)

−0.07 ± 0.17

−0.04 ± 0.13

0.73

0.46

 Trefoil changing (Δ Trefoil)

−0.05 ± 0.13

−0.07 ± 0.15

1.00

0.67

 SA changing (Δ SA)

−0.01 ± 0.10

−0.09 ± 0.14

0.63

0.02

  1. ICL Phakic posterior chamber implantable contact lens implantation (V4c), LASIK Laser in situ keratomileusis, HOA Higher order aberration, SA Spherical aberration, Δ: The difference between preoperative and postoperative values; t: Student’s t-test