Analysis of parameters for the automatic computation of the tear film break-up time test based on CCLRU standards

Authors:
L. Ramos;N. Barreira;A. Mosquera;M. G. Penedo;E. Yebra-Pimentel;C. García-Resúa
Affiliations:
-;-;-;-;-;-
Venue:
Computer Methods and Programs in Biomedicine
Year:
2014

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Abstract

Dry eye syndrome is affecting a remarkable percentage of population. The prevalence is 10-15% of normal population, and 18-30% of contact lenses users. The break-up time (BUT) is a clinical test used for the diagnosis of this disease. In this work, we perform an analysis of parameters for a global and a local automatic computation of the BUT measure, based on criteria of specificity and sensitivity. We have tested our methodology on a dataset composed of 18 videos annotated by 4 different experts. The local analysis preserves the results of the global approach providing useful additional information about the break-up tear zone.