POAG +/- SD (standard value) Right eye Left eye
HRT disc area (1.69-2.82 mm2) 2.326 ± 0.596 2.353 ± 0.643
HRT cup area (0.26-1.27 mm2) 1.051 ± 0.512 1.108 ±0.611
HRT rim area (1.2-1.78 mm2) 1.276 ± 0.511 1.246 ± 0.613
RNFL thickness (0.18-0.31 mm) 0.194 ± 0.062 0.194 ± 0.124
FDT duration (≤50s) 66.7 ± 34.8 72.0 ± 33.0
Table 1: Clinical characteristics of POAG patients. HRT: Heidelberg Retina Tomograph; RNFL: Retina Fiber Layer Thickness; FDT: Frequency Doubling Test