| Operative indication | Effective | Percentage (%) |
Persistence of suborbital hypoaesthesia | Impure blow-out + suborbital hypoaesthesia | 2 | 4.55 |
Vertical diplopia | Trapdoor + vertical diplopia | 2 | 4.55 |
Residual enophthalmos | Impure blow-out + enophthalmos | 2 | 4.55 |