Variability of tear protein levels in normal young adults: diurnal (daytime) variation.
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.
Ng
V
V
Department of Optometry and Radiography, Hong Kong Polytechnic University, Kowloon, Hong Kong, SAR, China. 96980109r@polyu.edu.hk
Cho
P
P
Wong
F
F
Chan
Y
Y
D000293:Adolescent; D000328:Adult; D002940:Circadian Rhythm / Q000502:physiology*; D004591:Electrophoresis, Polyacrylamide Gel; D005136:Eye Proteins / Q000378:metabolism*; D005260:Female; D006801:Humans; D008297:Male; D013048:Specimen Handling; D013666:Tears / Q000378:metabolism*
D005136:Eye Proteins; C042434:tear proteins