Table 1 Demographic of enrolled patients in this study.

From: Vertical disc tilt and features of the optic nerve head anatomy are related to visual field defect in myopic eyes

 

Myopic control eyes (n = 40)

Myopic eyes without VF defects (n = 22)

Myopic eyes with VF defects (n = 42)

P valuea

P valueb

Age, years

42.54 ± 13.74

39.04 ± 13.41

36.42 ± 13.51

0.109*

0.863*

Gender, Male:Female

19:21

04:18

14:28

0.102†

0.093†

Central corneal thickness, µm

538.36 ± 37.54

540.80 ± 40.36

537.19 ± 26.09

0.155*

0.420*

Spherical equivalent, diopters

−5.35 ± 2.24

−6.17 ± 2.91

−5.51 ± 2.18

0.148*

0.969*

Axial length, mm

25.93 ± 1.32

26.14 ± 1.37

25.75 ± 1.31

0.720*

0.654*

Untreated intraocular pressure, mmHg

15.29 ± 2.59

15.45 ± 2.63

15.24 ± 2.74

0.623*

0.720*

Mean deviation of VF, dB

−1.94 ± 2.30

−2.33 ± 2.10

−5.58 ± 5.08

<0.001*

0.048*

Pattern standard deviation of VF, dB

3.27 ± 1.32

3.65 ± 2.67

7.49 ± 4.23

<0.001*

0.008*

Optic disc morphological features

   Ovality ratio

1.38 ± 0.23

1.40 ± 0.29

1.33 ± 0.28

0.070*

0.310*

   Direction of disc tilt, inferotemporal, n (%)

28 (70.0%)

13 (59.1%)

28 (66.7%)

0.684†

0.591†

   Disc torsion degree

16.54 ± 9.54

18.97 ± 10.08

15.73 ± 7.96

0.383*

0.411*

   Disc-fovea angle

8.12 ± 3.65

7.52 ± 3.66

8.43 ± 3.11

0.520*

0.470*

   Vertical tilt measured from HRT images

0.02 ± 0.01

0.02 ± 0.02

0.06 ± 0.05

0.036*

0.047*

   Horizontal tilt measured from HRT images

0.04 ± 0.03

0.04 ± 0.04

0.02 ± 0.02

0.112*

0.268*

  1. VF = visual field.
  2. *One-way ANOVA with multiple comparison.
  3. †Chi-square test.
  4. aComparison between three groups.
  5. bComparison between myopic eyes with and without VF defects.
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