Diagnosis [number of eyes / %]  
Primary Open Angle Glaucoma 398 (62.6%)
Normal Tension Glaucoma 88 (13.8%)
Pseudoexfoliative Glaucoma 15 (2.4%)
Pigmentary Glaucoma 4 (0.6%)
Glaucoma Suspect / Ocular Hypertension 9 (1.4%)
Primary Angle Closure Glaucoma 66 (10.4%)
Acute Angle Closure Glaucoma 8 (1.3%)
Secondary Glaucoma 46 (7.2%)
Congenital Glaucoma 2 (0.3%)
Surgeon status [number of eyes]  
Consultant 534 (84%)
National Health Service - 396 (62%)
Private - 138 (22%)
Trainee 102 (16%)
Fellow - 40 (6%)
Resident - 62 (10%)
Anaesthesia [number of eyes]  
Peribulbar / Sub-Tenons 477 (75%)
Sub-conjunctival 34 (5%)
General 125 (20%)
Antifibrotic [number of eyes]  
None 75 (11.8%)
5-Flourouracil (1-5min) 259 (40.7%)
Mitomycin-C (0.2mg/ml; 1-3min) 286 (45%)
Mitomycin-C (0.4mg/ml; 1-3min) 16 (2.5%)
Table 2: Pre- and per- operative ocular data.