Table 1 Longitudinal elastic moduli for porcine corneas ex vivo (at ~ 23oC) and human corneas in vivo measured by angle-resolved Brillouin measurements (λ = 780 nm).

From: Measuring mechanical anisotropy of the cornea with Brillouin microscopy

Stiffness coefficients

Porcine ex vivo (GPa)

Human in vivo (GPa)

Czz

2.567 ± 0.012

2.738 ± 0.001

Cxx, Cyy

2.848 ± 0.078

2.908 ± 0.022

Cxz + 2Gyz

2.593 ± 0.024

2.789 ± 0.010

  1. Mean ± standard deviation from four samples in each group.
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