Table 3.

Second-order eyelid fitting parameters.

$\mathit{y}=\mathit{a}{\mathit{x}}^2+\mathit{b}\mathit{x}+\mathit{c}$		$\mathit{a}$ (m ± std)	$\mathit{b}$ (m ± std)	$\mathit{c}$ (m ± std)
Right eyes	Upper eyelid	−0.0832 ± 0.0197	−0.0262 ± 0.0445	3.5809 ± 0.4375
	Lower eyelid	0.0842 ± 0.0197	0.0163 ± 0.0445	−3.9734 ± 0.4375
Left eyes	Upper eyelid	−0.0864 ± 0.0187	0.0256 ± 0.0463	3.6564 ± 0.3865
	Lower eyelid	0.0868 ± 0.0187	−0.0206 ± 0.0463	−3.9902 ± 0.3865