Table 2. Indication for surgery.
| Indication for surgery Surgery for each group included PPV unless otherwise stated | No. of operations (column %) | No. of eyesa (column %) | No. of operations with PPV (row %) |
|---|---|---|---|
| Retinal detachment (includes cases without PPV) | 4217 (36.3) | 3549 (33.6) | 3683 (87.3) |
| Retinal tear (no PPV) | 1417 (12.2) | 1291 (12.2) | N/A |
| Macular hole | 1136 (9.8) | 1089 (10.3) | 1131 (99.6) |
| Epiretinal membrane peel | 1117 (9.6) | 1089 (10.3) | 995 (89.1) |
| Removal of tamponading agent±cataract | 489 (4.2) | 464 (4.4) | 64 (13.1) |
| Diabetic vitrectomy | 447 (3.8) | 414 (3.9) | 443 (99.1) |
| Diabetic vitrectomy & traction | 401 (3.5) | 386 (3.7) | 389 (97.0) |
| Cataract & PPV (PPV indication not known) | 309 (2.7) | 309 (2.9) | 309 (100.0) |
| Vitreoretinal examination under anaesthesia (no PPV) | 278 (2.4) | 275 (2.6) | 0 (0.0) |
| Dropped nucleus | 223 (1.9) | 216 (2.0) | 202 (90.6) |
| PRP laser | 210 (1.8) | 194 (1.8) | 7 (3.3) |
| Vitreomacular traction | 174 (1.5) | 167 (1.6) | 171 (98.3) |
| Vitreous haemorrhage (no DR) | 160 (1.4) | 155 (1.5) | 157 (98.1) |
| Vitrectomy indication unknown | 143 (1.2) | 142 (1.3) | 143 (100.0) |
| Uveitis | 123 (1.1) | 110 (1.0) | 53 (43.1) |
| AMD/retinal haemorrhage | 112 (1.0) | 105 (1.0) | 103 (92.0) |
| Trauma/intraocular foreign body removal | 106 (0.9) | 95 (0.9) | 77 (72.6) |
| Rare | 85 (0.7) | 76 (0.7) | 50 (58.8) |
| PVD/vitreous opacity | 85 (0.7) | 84 (0.8) | 82 (96.5) |
| IOL/lens/aphakic | 81 (0.7) | 80 (0.8) | 74 (91.4) |
| Endophthalmitis | 79 (0.7) | 69 (0.7) | 35 (44.3) |
| Scleral buckle removal (no PPV) | 75 (0.6) | 74 (0.7) | N/A |
| Glaucoma & VR Procedure | 72 (0.6) | 59 (0.6) | 27 (37.5) |
| Retinal vein occlusion | 48 (0.4) | 47 (0.4) | 30 (62.5) |
| Ectopia lentis | 31 (0.3) | 30 (0.3) | 30 (96.8) |
| Total | 11 618 | 10 569 | 8257 (71.1) |
Abbreviations: AMD, age-related macular degeneration; DR, diabetic retinopathy; IOL, intraocular lens; PPV, pars plana vitrectomy; PRP, panretinal photocoagulation; PPV, pars plana vitrectomy; PVD, posterior vitreous detachment; VR, vitreoretinal.
a
Each eye could appear in >1 group if having >1 operation over the time period.