Table 1.

Demographics^a

	Control	Glaucoma	Significance
Number	21	16
Percentage female	57%	44%
Age (years)	60.9 (8.05)	63.2 (8.70)	P = 0.42
Acuity OD	0.737 (0.213)	0.700 (0.212)	P = 0.61
Acuity OS	0.693 (0.227)	0.616 (0.254)	P = 0.34

Note:

^aVisual acuity measured as the decimal equivalent of the Snellen number. Values in parentheses are standard deviations. Significance P-values represent the outcome of an independent-samples t-test.

Abbreviations: OD, right eye; OS, left eye.