Ahmed Glaucoma Valve Implantation for Refractory Glaucoma in a Tertiary Hospital in Brazil

Table 3

Reasons for treatment failure after Ahmed Glaucoma Valve surgery.

Reason for failure	(%)
18 mmHg < IOP < 5 mmHg and reintervention for IOP control	27 (69.2%)
18 mmHg < IOP < 5 mmHg or	2 (5.12%)
Reintervention for IOP control	2 (5.12%)
Severe complications	2 (5.12%)
Loss of light perception	6 (15.3%)

IOP: intraocular pressure.