Numerical analysis of interferograms for evaluation of tear film build-up time.

Abstract

The lateral shearing interferometer was applied to the in vivo dynamic investigation of the external surface of the pre-corneal tear film after an eye blink. Sequences of interferograms were recorded at a sampling frequency of 25 Hz. Immediately after every eye blink, a bright pattern was observed under the interference fringes. This disappeared after a… (More)
DOI: 10.1111/j.1475-1313.2009.00651.x

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