Table 2

 Change in intraocular pressure (IOP) in mm Hg following glaucoma surgery

1 week1 month⩾3 month
All−8.8 (1.7)−9.8 (1.7)−12.0 (1.2)
Trabeculectomy−7.5 (2.3)−10.9 (1.6)−12.8 (1.5)
GDD−11.1 (2.3)−7.9 (2.2)−10.7 (1.9)