Table 2.

Reciprocal compressibility moduli and inflections for meibum films with maximal reciprocal compressibility moduli (${\mathrm{C}}_{\mathrm{smax}}^{-1}$) and the surface pressure (Π_max) at which they are achieved.

Sample *	Cs−1 at Lift-Off (mN/m)	Surface Area Range for Inflection (cm2)	Pressure Range for Inflection (mN/m)	${\mathbf{C}}_{\mathbf{s}\mathbf{m}\mathbf{a}\mathbf{x}}^{-1}(\mathbf{mN}/\mathbf{m})$	Πmax (mN/m)
Adult	9	47–38	0–2	17	14
8.5CF	6	68–49	0–2	15	13
1.8CM	0	66–43; 19–15	0–3, 10–13	12	13
0.6CM	Near zero	90–72	10–11	5	15

* Numbers represent age (years, months); C = Caucasian; M = male; F = female.