Variable (unit) | Mean (SD) |
Optic disc size (mm2) | 2.325 (0.441) |
Contour modulation (mm) | 0.144 (0.041) |
Contour variation (mm) | 0.424 (0.750) |
Mean contour depth (mm) | 0.066 (0.145) |
Effective area (mm2) | 0.834 (0.546) |
½ depth area (mm2) | 0.245 (0.176) |
½ depth volume (mm3) | −0.035 (0.038) |
NRA(mm2) | 1.490 (0.470) |
Volume above (mm3) | 0.326 (0.174) |
Volume below (mm3) | −0.198 (0.185) |
C/D ratio | 0.348 (0.195) |
Average depth (mm) | −0.205 (0.103) |
Maximum depth (mm) | −0.537 (0.222) |