Table 5

Success rates of the different groups

DiagnosisSuccessCombined success rate
% (n)
Failure
% (n)
Complete*
% (n)
Qualified
% (n)
Primary open angle53 (112)32 (66)85 (178)15 (31)
Pseudoexfoliation51 (60)38 (44)89 (104)11 (13)
Chronic angle closure53 (25)34 (16)87 (41)13 (6)
Pigmentary dispersion syndrome59 (20)23 (8)82 (28)18 (6)
Buphthalmus60 (15)0 (0)60 (15)40 (10)
Dysgenetic glaucoma52 (11)17 (5)83 (16)17 (5)
Uveitic glaucoma36 (5)14 (2)50 (7)50 (7)
Traumatic50 (5)20 (2)70 (7)30 (3)
Neovascular glaucoma0 (0)20 (1)20 (1)80 (4)
Repeat trabeculectomy31 (13)20 (8)51 (21)49 (20)
  • Criteria used: *IOP <22 mm Hg and no medication; IOP <22 mm Hg with medication; IOP >21 mm Hg regardless of medication.