Table 1.

Demographics of participating patients (n = 129)

Mean age (yr)	66.2 ± 11.4
Gender, n (%)
Female	65 (50.4)
Male	64 (49.6)
Race, n (%)
Caucasian	94 (72.9)
Black or African-American	23 (17.8)
Hispanic	10 (7.8)
Other	2 (1.6)
Diagnosis, n (%)
Open-angle glaucoma	100 (77.5)
Ocular hypertension	29 (22.5)