Table 1 Subject demographics by iris color.
| Blue Eyes | Brown Eyes | |
|---|---|---|
| N | 7 | 6 |
| Male/Female | 5/2 | 3/3 |
| Age (mean ± SD) | 25.2 ± 6.0 | 25.8 ± 5.4 |
| Self-reported | 4 Caucasian | |
| Race or Ethnicity | 7 Caucasian |
1 Hispanic 1 Asian |
| Owl-Lark Score | 52.7 ± 6.1 | 52.3 ± 10.5 |