Clinical Study

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

Figure 1

Percentage of success after Ahmed Glaucoma Valve implantation in Caucasian and African American patients, using failure definition of intraocular pressure greater than 18 mmHg and less than 5 mmHg. Univariate analysis showed that African American ancestry was a risk factor for failure ().