Table 3. Demographic data and parameters of the visual field, retinal nerve fiber layer thickness, and optic disc morphology of the subjects.
| VF defect (-) | VF defect (+) | Total | ||
|---|---|---|---|---|
| Before RALP | MD (dB) | 0.17±1.20 | -0.40±0.95 | 0.09±1.17 |
| PSD (dB) | 1.88±0.65 | 1.91±0.39 | 1.89±0.62 | |
| Superior mean TD (dB) | 0.15±1.7 | -0.03±1.4 | 0.13±1.7 | |
| Inferior mean TD (dB) | 0.07±1.2 | -0.76±1.0 | -0.04±1.2 | |
| Foveal threshold (dB) | 36.6±2.1 | 37.3±2.1 | 36.7±2.1 | |
| Average RNFLT (μm) | 88.6±8.9 | 94.8±7.5 | 89.4±8.9 | |
| Superior RNFLT (μm) | 104.3±20.4 | 124.3±7.4 | 106.8±20.3 | |
| Inferior RNFLT (μm) | 114.4±15.6 | 122.2±13.9 | 115.3±15.5 | |
| Disc area (mm2) | 2.03±0.36 | 2.15±0.36 | 2.04±0.36 | |
| Rim area (mm2) | 1.31±0.23 | 1.33±0.15 | 1.31±0.22 | |
| Vertical C/D ratio | 0.51±0.15 | 0.52±0.10 | 0.51±0.14 | |
| Cup volume (mm3) | 0.21±0.18 | 0.21±0.09 | 0.21±0.17 | |
| After RALP | MD (dB) | 0.28±1.38 | -1.56±1.64 | 0.03±1.54 |
| PSD (dB) | 2.25±1.08 | 3.48±1.83 | 2.42±1.26* | |
| Superior mean TD (dB) | 0.41±2.0 | -0.36±1.5 | 0.30±1.9 | |
| Inferior mean TD (dB) | -0.05±1.7 | -2.8±2.9 | -0.43±2.1 | |
| Foveal threshold (dB) | 36.4±2.4 | 37.4±1.9 | 36.5±2.3 | |
| Average RNFLT (μm) | 91.0±9.1 | 95.4±7.1 | 91.7±8.9 | |
| Superior RNFLT (μm) | 109.0±15.6 | 118.0±12.2 | 110.4±15.3 | |
| Inferior RNFLT (μm) | 118.4±19.9 | 127.9±12.3 | 119.9±19.1 | |
| Disc area (mm2) | 2.02±0.38 | 2.14±0.36 | 2.04±0.37 | |
| Rim area (mm2) | 1.29±0.27 | 1.30±0.14 | 1.29±0.25 | |
| Vertical C/D ratio | 0.51±0.17 | 0.53±0.11 | 0.51±0.16 | |
| Cup volume (mm3) | 0.23±0.21 | 0.24±0.12 | 0.23±0.19 |
VF defect: Visual field defect after robot-assisted laparoscopic radical prostatectomy
MD: Mean deviation PSD: Pattern standard deviation TD: Total deviation
RNFLT: Retinal nerve fiber layer thickness
*: P<0.05 after Bonferroni's correction between before and after RALP.