Table 3.

Status of intraocular pressure control following Ahmed glaucoma valve (AGV) drainage device surgery in cases of non-responsive refractory glaucomas

Procedure	No. of eyes	IOP Control: Success as per criteria (IOP of between 9 to 21 mm Hg without medication)	Qualified IOP control (IOP between 14 to 21 mm Hg with one or more medication)	Failure= Sustained secondary rise of (Once stabilized to an optimal satisfactory level) post op IOP of >21 mm Hg despite on one or more medication for more than one month
Phacoemulsification with IOL and AGV implantation	18 (35%)	16	02	Nil
AGV implantation only	06 (12%)	06	NIL	Nil
AGV over preexisting IOL implantation	08 (15%)	08	NIL	Nil
PK, AGV implant and IOL implantation	13 (25%)	11	02	Nil
Secondary IOL with
AC reconstruction and AGV implantation	07 (13%)	05	02	Nil
Total	52	46 eyes (88%)	6 eyes (12%)	Nil