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Fringe plot of the vertical displacement field uz at 
for a cornea with Fuchs' dystrophy. The anterior surface of the cornea deforms much less than that of the posterior surface. It is noted that the sclera elements are distorted at the limbus. This artefact is due to the abrupt transition from swelling to non-swelling tissue, and may be removed by defining a transition zone between the cornea and sclera.
