Table 2: The mean superior visual field at 90’ meridian according to each MRD1w value. Fractional percentage
| MRD1w (mm) | Number of eyes | Superior visual field 90° meridian (degree) | Fractional percentage (%) | 
| ≤ 0 mm | 1 | 31.67 | 63.34 | 
| 1 mm | 7 | 41.90 | 83.80 | 
| 2 mm | 11 | 44.08 | 88.16 | 
| 3 mm | 10 | 47.84 | 95.68 | 
| 4 mm | 2 | 48.65 | 97.3 |