RNFL thickness (µm)

Eyes with preperimetric glaucoma (1) (mean ± SD)

Healthy eyes (2) (mean ± SD)

P values

(1 vs 2)

ST2

127.99 ± 20.40

141.83 ± 21.77

<0.001

TU2

88.06 ± 15.60

100.71 ± 13.39

<0.001

TU1

72.39 ± 14.15

76.84 ± 11.55

0.053

TL1

68.48 ± 14.80

68.45 ± 13.67

0.990

TL2

82.96 ± 15.29

87.59 ± 14.14

0.075

IT2

130.05 ± 21.95

139.78 ± 19.85

0.009