The viscosity of human tears
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John M. Tiffany
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Article
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1991
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Springer Netherlands
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English
โ 447 KB
Blinking involves high rates of shear within the tear film, requiring a low tear viscosity to avoid damage to epithelial surfaces. Conversely, in the open eye, a higher viscosity is desirable to resist drainage and film break-up. Samples of human tears were collected with moderate stimulation from 5