What is it about?

Lipids yield much information about the human ocular surface, including presence of inflammation, stability of the tears etc.

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Why is it important?

It is pretty acceptable to use either capillary tube or schirmers paper strips for lipid collection.


Amphipathic lipids such as OAHFAs are important for tear stability. The polar groups interact with the water layer of the tear whereas the nonpolar groups interact with other long chain lipids.

Prof Louis Tong
National University of Singapore

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This page is a summary of: Extensive characterization of human tear fluid collected using different techniques unravels the presence of novel lipid amphiphiles, Journal of Lipid Research, November 2013, American Society for Biochemistry & Molecular Biology (ASBMB), DOI: 10.1194/jlr.m044826.
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