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Table 2 Parameters of the anterior segment under different lighting conditions and accommodation

From: Effects of lighting conditions and accommodation on the three-dimensional position of Visian implantable collamer lens

Parameters

Baseline

(mean ± SD)

Mesopic

(mean ± SD)

Photopic

(mean ± SD)

P

Baseline

(mean ± SD)

Accommodation

(mean ± SD)

P

PD (mm)

5.77 ± 0.97

4.92 ± 0.90 a

3.55 ± 0.79 a, b

0.000

5.77 ± 0.97

5.06 ± 1.23

0.000

LT (mm)

3.75 ± 0.21

3.73 ± 0.21 a

3.77 ± 0.20 a, b

0.000

3.75 ± 0.21

3.85 ± 0.22

0.000

ACD (mm)

3.07 ± 0.18

3.08 ± 0.18 a

3.04 ± 0.18 a, b

0.000

3.07 ± 0.18

2.97 ± 0.20

0.000

Vault (μm)

582.08 ± 269.16

571.02 ± 251.97 a

495.82 ± 263.66 a, b

0.000

582.08 ± 269.16

563.89 ± 269.59

0.058

ACD-ICL (mm)

2.48 ± 0.28

2.51 ± 0.28

2.55 ± 0.28

0.978

2.48 ± 0.28

2.41 ± 0.30

0.000

FC (mm)

10.24 ± 1.27

10.35 ± 1.38 a

9.79 ± 1.45 a, b

0.000

10.24 ± 1.27

9.16 ± 1.39

0.000

PC (mm)

5.73 ± 0.45

5.83 ± 0.69

5.78 ± 0.49

0.364

5.73 ± 0.45

5.54 ± 0.51

0.000

  1. SD = standard deviation; PD = pupil diameter; LT = lens thickness; ACD = anterior chamber depth; ACD-ICL = distance from corneal endothelium to anterior surface of the ICL V4c; FC = front curvature; PC = post curvature; a vs. scotopic; b vs. mesopic; P < 0.05