| PVR preoperative (A or B) | Surgical procedure | Retinal reattachment |
| Characteristics of retinal breaks | Extrascleral surgery | Uveitis |
| Previous intraocular surgery | Vitrectomy | Choroidal detachment |
| Aphakia/pseudophakia | Cryotherapy | Vitreous haemorrhage |
| Vitreous haemorrhage | Laser | IOP |
| RD extension | Drainage of subretinal fluid | Medical treatment |
| Choroidal detachment | Gas | |
| Time of evolution of RD (days) | Liquid perfluorocarbons | |
| Intraocular pressure | Retinotomy | |
| Preoperative uveitis | Retinectomy | |
| Myopia | Associated cataract surgery | |
| History of previous RD in any eye | Complications | |
| History of PVR in other eye | | |