2. Mahdy 2012 – IOP at baseline and follow‐up.

time point	Avastin + PRP + AGV (N = 20 eyes) IOP (mean ± SD)	PRP + AGV (control) (N = 20 eyes) IOP (mean ± SD)
Preoperative	38.4 ± 4.7	38.5 ± 7.5
1 week postoperative	10.0 ± 3.1	13.5 ± 4.1
1 month postoperative	13 ± 2.2	19.5 ± 2.4
3 months postoperative	14 ± 1.9	22 ± 1.6
6 months postoperative	16 ± 2.0	28 ± 3.1
12 months postoperative	16 ± 7.0	28 ± 8.4
18 months postoperative	16 ± 4.2	28 ± 6.5

SD: standard deviation
 IOP: intraocular pressure (mmHg)
 PRP: pan retinal photocoagulation
 AGV: Ahmed glaucoma valve