Table 1.

Sociodemographic description of patients.

Variable	Total
Age (years)
n	208
Average (SD)	76.72 (7.83)
Median	77
Age groups
Total	208 (100%)
<65 years	14 (6.7%)
65–75 years	72 (34.6%)
>75 years	122 (58.7%)
Gender
Total	208 (100%)
Male	88 (42.3%)
Female	120 (57.7%)
Ethnic group
Total	208 (100%)
Caucasian	183 (88.0%)
Hispanic	25 (12.0%)
Iris color
Total	208 (100%)
Light colored	44 (21.2%)
Dark	78 (37.5%)
Unknown	86 (41.3%)
Study eye
Total	208 (100%)
1—left	105 (50.5%)
Secondary eye
Total	75 (100%)
1—diagnosed before the study period	48 (64.0%)
2—diagnosed after the first study eye	15 (20.0%)
3—both eyes diagnosed at same time	12 (16.0%)