Enhancing the Standard Operating Range of a Placido Disk Videokeratoscope for Corneal Surface Estimation

Abstract

Corneal topography estimation that is based on the Placido disk principle relies on good quality of precorneal tear film and sufficiently wide eyelid (palpebral) aperture to avoid reflections from eyelashes. However, in practice, these conditions are not always fulfilled resulting in missing regions, smaller corneal coverage, and subsequently poorer… (More)
DOI: 10.1109/TBME.2008.2005997

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