Table 2.

Fit of PFL racial norms (n=42)

PFL norm	Mean PFL Z-score	95% CI
African American (Iosub)	−2.14	−2.33 to −1.95
Caucasian (Hall)	−0.76	−1.13 to −0.38
Canadian (Clarren)	0.93	0.54 to 1.31
Scandinavian (Strömland)	0.34	−0.04 to 0.73*

*Not significantly different to 0 (p>0.05; from one-sample t-test).

PFL, palpebral fissure length.