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Table 1 Changes of Ocular Measurements Before and After Tropicamide Cycloplegia

From: Effect of Tropicamide on crystalline Lens rise in low-to-moderate myopic eyes

 

Before cycloplegia

Mean ± SD

After cycloplegia

Mean ± SD

Diff

SD

95%CI

p

Lower

Upper

CCT, μm

545.92 ± 29.84

547.36 ± 30.36

1.44

3.20

0.40

2.47

0.008a*

ACD, mm

3.35 ± 0.18

3.41 ± 0.18

0.07

0.05

0.05

0.08

< 0.001a*

ACW, mm

11.77 ± 0.39

11.73 ± 0.39

−0.05

0.17

−0.10

0.01

0.122b

CLT, mm

3.37 ± 0.15

3.34 ± 0.14

−0.03

0.03

−0.04

− 0.03

< 0.001a*

CLR, μm

−77.27 ± 114.57

−135.82 ± 139.16

−58.55

82.92

−85.43

−31.67

< 0.001a*

Rf_ave, mm

12.70 ± 1.26

13.70 ± 1.21

1.00

0.40

0.86

1.15

< 0.001a*

Rb_ave, mm

−5.98 ± 0.36

−5.90 ± 0.43

0.08

0.34

0.19

−0.03

0.169a

  1. Data is expressed as mean ± SD
  2. CCT Central cornea thickness, ACD Anterior chamber depth, ACW Anterior chamber width, CLT Crystalline lens thickness, CLR Crystalline lens rise, Rf Radius of lens posterior surface, Rb Radius of lens posterior surface, ave. Average, SD Standard deviation, CI Confidence interval
  3. * significant differences(*p < .05)
  4. a Paired t test. b Wilcoxon test