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Updated: Oct 5, 2026

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Optimizing Tear Collection in Mice for mRNA and Protein Analysis
Published on: July 19, 2024
Variability of tear protein levels in normal young adults: diurnal (daytime) variation
1Department of Optometry and Radiography, Hong Kong Polytechnic University, Kowloon, Hong Kong, SAR, China. 96980109r@polyu.edu.hk
Abstract
Purpose:
To investigate the diurnal variation (daytime changes) of human tear protein levels, and to compare the results obtained by two sampling methods, the yawn and eye-flush methods.

