Total (n=62)

Cluster 1 (n=10)

Cluster 2 (n=10)

Cluster 3 (n=19)

Cluster 4 (n=23)

Age [years]

57.5±13.8

44.8±9.6

39.6±8.1

67.4±6.4

62.7±9.8

Fractional Anisotropy

0.447±0.027

0.462±0.021

0.464±0.029

0.438±0.031

0.440±0.018

Mean Diffusivity [10-3 mm2 s−1]

0.882±0.063

0.843±0.028

0.834±0.035

0.911±0.086

0.896±0.039

Axial Diffusivity [10-3 mm2 s−1]

1.338±0.071

1.303±0.047

1.288±0.056

1.367±0.092

1.351±0.047

Radial Diffusivity [10-3 mm2 s−1]

0.654±0.063

0.613±0.027

0.607±0.039

0.683±0.085

0.669±0.039

Mean Retinal Nerve Fiber Layer [μm]

75.7±23.0

111.0±9.7

79.1±11.0

83.7±9.9

52.3±9.7

Retinal Nerve Fiber Layer OD [μm]

77.4±25.0

110.9±9.9

84.4±10.9

87.5±10.5

51.5±15.3

Retinal Nerve Fiber Layer OS [μm]

74.9±25.0

111.3±10.0

73.6±17.6

79.9±15.0

55.4±19.1

Mean Deviation of OD [dB]

5.9±7.5

-0.3±1.1

2.2±5.1

2.0±3.3

12.7±7.1

Mean Deviation of OS [dB]

6.4±8.5

0.3±1.9

3.4±8.9

2.9±3.8

13.4±8.7

Best Corrected Visual Acuity OD [decimal]

0.8±0.3

1.0±0.1

0.9±0.2

0.8±0.3

0.7±0.3

Best Corrected Visual Acuity OS [decimal]

0.7±0.3

0.9±0.3

0.8±0.3

0.8±0.2

0.6±0.3

Treated Tensio OD [mmHg]

15.2±4.5

14.9±3.2

14.9±2.0

14.2±3.5

16.3±6.3

Treated Tensio OS [mmHg]

15.8±5.9

15.1±2.6

17.9±9.8

14.1±3.1

16.6±6.5

OD, right eye; OS, left eye; FA, fractional anisotropy; MD, mean diffusivity; AD, axial diffusivity, RD, radial diffusivity; RNFL, retinal nerve fiber layer thickness.
Table 2: Measurements and age classified into clusters. The mean ± SD are given.