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Review
. 2004 Oct-Nov;29(4-5):357-68.
doi: 10.1080/02713680490516099.

The thickness of the tear film

P Ewen King-Smith  1 , Barbara A Fink, Richard M Hill, Kurt W Koelling, John M Tiffany
Affiliations
Review

The thickness of the tear film

P Ewen King-Smith et al. Curr Eye Res. 2004 Oct-Nov.

Abstract

Measurements of the thickness of the pre-corneal tear film, pre-lens tear film, post-lens tear film, and the lipid layer on the surface of the tear film are summarized. Spatial and temporal variations in tear film thickness are described. Theoretical predictions of tear film thickness are discussed. Mechanisms involved in the upward drift of the tear film after a blink, and in the formation of dry spots, are considered.

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