Table 1.

Patient characteristics

Characteristic	N	Percentage
A. Gender
Female	37	68.5%
Male	17	31.5%
B. Race
Caucasian	42	77.8%
Black	9	16.7%
Hispanic	2	3.7%
Middle Eastern	1	1.9%
C. Iris color
Hazel	24	44.4%
Brown	20	37.0%
Green	6	11.1%
Blue	4	7.4%
D. Medical history
Cardiovascular arterial hypertension	39	72.2%
Cardiovascular lipid disorders	25	46.3%
Endocrine diabetes	19	35.2%
E. Opthalmic history
Primary open-angle glaucoma	35	64.8%
Ocular hypertension	16	29.6%
Pigmentary glaucoma	3	5.6%
F. Glaucoma medication history
Latanoprost 0.005%	29	35.2%
Travoprost 0.004%	18	33.3%
Bimatoprost 0.03%	6	11.1%
Mean number of glaucoma medications	1.82
Mean time on glaucoma medications (in years)	12.56
G. Eyes assigned to each medicine
	OD
Test medication
Latanaprost	25	46.3%
Travaprost BAK-free	29	53.7%
	OS
Latanaprost	29	53.7%
Travaprost BAK-free	25	46.3%