Table 1.

Demographic and Ocular Features of Included Subjects

Age groups (y)	Number	Men/Women (ratio)	Mean Refractive Error (diopters)	Mean Intraocular Pressure (mm Hg)	Mean Age (y)
20–29	176	90/86(1.05)	−1.93 ± 1.71	14.1 ± 2.4	25.71 ± 1.52
30–39	50	27/23(1.17)	−0.74 ± 1.19	14.3 ± 2.1	35.38 ± 3.13
40–49	108	68/40(1.7)	−0.36 ± 1.29	13.8 ± 2.3	46.07 ± 2.33
50–59	79	41/38(1.08)	−0.54 ± 1.54	14.6 ± 2.1	53.90 ± 2.51
60–69	60	32/28(1.14)	0.08 ± 0.59	14.5 ± 2.6	64.53 ± 3.12
70+	52	27/25(1.08)	−0.04 ± 0.91	14.2 ± 2.0	79.40 ± 5.25
Total	525	285/240(1.19)	−0.87 ± 1.60	14.3 ± 2.3	44.82 ± 17.74

Mean refers to mean ± standard deviation