Table 2

Comparison of results of deep sclerectomy with collagen implant between primary open angle glaucoma (POAG), pseudoexfoliative glaucoma (PEXG), and open angle glaucoma in pseudophakic patients (PSPHG)

POAGPEXGPSPHGp Value
Age (years) (SD)68.9  (12.1) 75.7 (7.8) 76.4 (10.5)< 0.03
Preoperative IOP (mm Hg) (SD)26.3 (7.7) 30.5 (8.1) 28.9 (10.0) 0.058
Postoperative IOP (mm Hg) (SD)
 12 months14.3 (3.2) 13.2 (3.5) 12.5 (3.4)NS
 24 months12.9 (3.3) 13.3 (3.5) 13.4 (4.9)NS
Complete success rate (%) 30 months75.8 71 57NS
Qualified success rate (%) 30 months98100100NS
Number of preoperative glaucoma medications (SE) 2.1 (0.6)  2.4 (0.8)  2.4 (0.7)NS
Number of postoperative glaucoma medications (SE) 0.2 (0.3)  0.2 (0.4)  0.3 (0.4)NS
Number of patients having 5-FU injections11/52 (21 %) 4/20 (20%)3/14 (21%)NS
Number of patients having goniopuncture18/52 (21%)10/20 (50%)6/ 64 (43%)NS
  • POAG patients are significantly younger than those with PEXG or PSPHG.

  • NS = not significant; IOP = intraocular pressure; SE = standard error; SD = standard deviation; 5-FU = 5-fluorouracil.