Table 1

Mean values of optic nerve head parameters in normal and glaucomatous eyes

Optic nerve head parametersNormal (Mean±SE)Glaucoma (Mean±SE)p Value
Disc area (mm2)2.00±0.082.03±0.090.71
Cup area (mm2)0.62±0.101.33±0.10<0.001
Rim area (mm2)1.39±0.080.72±0.09<0.001
Temporal rim area (mm2)0.23±0.020.12±0.02<0.001
Superior rim area (mm2)0.38±0.020.20±0.03<0.001
Nasal rim area (mm2)0.39±0.020.19±0.03<0.001
Inferior rim area (mm2)0.38±0.020.20±0.02<0.001
Rim volume (mm3)0.20±0.020.09±0.02<0.001
Nerve head volume (mm3)0.35±0.020.16±0.03<0.001
Cup volume (mm3)0.15±0.050.58±0.06<0.001