Dynamics of tear film deposition and draining

McElwain, D. L. S., Jones, M. B., Please, C. P., Fulford, G., Roberts, A. P., & Collins, M. J. (2005) Dynamics of tear film deposition and draining. Mathematical Medicine and Biology, 22(3), pp. 265-288.

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This paper investigates the deposition of the tear film on the cornea of the human eye. The tear film is laid down by the motion of the upper eyelid and then subsequently flows and thins. Of particular interest is the stability of the tear layer and the development of dry patches on the cornea. While there has been significant research on the behaviour of tear films between blinks, this paper focuses on understanding the mechanisms which control the shape and thickness of the deposited film and how this affects the subsequent film behaviour. Numerical and analytical methods are applied to a lubrication model which includes the effects of surface tension, viscosity, gravity and evaporation. The model reveals the importance of the eyelid velocity, motion of the surface lipid layer and the storage of tear film between blinks.

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35 citations in Scopus
34 citations in Web of Science®
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ID Code: 2836
Item Type: Journal Article
Refereed: Yes
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author. Michael Collins (m.collins@qut.edu.au)
Keywords: eye, tear film, film deposition, film rupture
DOI: 10.1093/imammb/dqi012
ISSN: 1477-8602
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Vision Science (111303)
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300) > Optometry and Ophthalmology not elsewhere classified (111399)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Past > Schools > Mathematical Sciences
Current > Schools > School of Optometry & Vision Science
Copyright Owner: Copyright 2005 (The authors): Licensed to Oxford University Press
Deposited On: 10 Feb 2006 00:00
Last Modified: 29 Feb 2012 13:15

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