Table 1.

Demographic and glaucoma status data of subjects in the study sample. Mean values are reported with standard deviations (SD).

Characteristic	Value (N=133 subjects)
Gender, n (%)
Male	47 (35.3)
Female	86 (64.7)
Age (yr), mean (SD)	60.9 (10.51)
	Right Eye (N=133)	Left Eye (N=132)
Number of glaucoma medications, n (%)
0	8 (6.0)	7 (5.3)
1	102 (76.7)	103 (78.0)
2	19 (14.3)	18 (13.7)
3	4 (4.0)	4 (3.0)
Glaucoma medication classes, n (%)
Beta-blockers	79 (59.4)	79 (59.9)
Prostaglandins	51 (38.4)	50 (37.9)
Carbonic anhydrase inhibitors	9 (6.8)	9 (6.8)
Adrenergic agonists	10 (7.5)	10 (7.6)
Central corneal thickness (μm), mean (SD)	535.9 (35.9)	537.5 (46.5)
Vertical cup-disc ratio, mean (SD)	0.63 (0.14)	0.63 (0.13)
Visual field mean deviation (dB), mean (SD)	−4.18 (5.14)	−4.07 (4.24)
Laser parameters, mean (SD)
Total energy (milllijoules)	82.5 (18.8)	87.0 (18.5)
Number of treatment spots	103.3 (3.5)	103.1 (3.1)