Eye | MZ twin pairs | DZ twin pairs | |||||||
---|---|---|---|---|---|---|---|---|---|
N | Mean (SD) | Range | ICC | N | Mean (SD) | Range | ICC | ||
Right | 213 | 7.79 (0.73) | 4.7–9.5 | 0.82 | 270 | 7.79 (0.69) | 5.2–9.5 | 0.39 | |
Left | 216 | 7.82 (0.70) | 4.6–9.5 | 0.82 | 268 | 7.81 (0.70) | 4.2–9.5 | 0.39 |
MZ = monozygotic, DZ = dizygotic; N = number of twin pairs; ICC = intraclass correlation coefficient within twin pairs.