From: Evaluating the outcomes of inferonasal ahmed valve implantation using the double scleral tunnel technique in refractory glaucoma
IN-AVI
ST-AVI
n
%
Glaucoma subtype
Neovascular
9
25.7
8
23.5
Post keratoplasty
6
17.1
5
14.7
Silicon-related
4
14.2
17.6
Steroid-induced
2
5.7
3
8.8
Traumatic
uveitic
22.9
7
20.5