Multiple regression analysis of preoperative variables with postoperative visual acuity
| Variable | Coefficient | Probability |
| Preoperative visual acuity | 0.142 | 0.522 |
| Duration of symptom | 0.538 | 0.196 |
| Diameter of hole | 0.318 | 0.615 |
| “Maximum parahole sensitivity” | 0.478 | 0.048 |
| “Minimum parahole sensitivity” | 0.304 | 0.148 |









