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Tear Film Lipid Layer Thickness as a Function of Blinking
Abstract
Alterations in the tear film lipid layer as a function of blinking were investigated using a custom-designed specular reflection monitoring system. The tear film lipid layer of 104 subjects under conditions of normal ("baseline") blinking and "forceful" blinking was quantitated on the basis of specific interference colors. Deliberate, forceful blinking was found to significantly increase the lipid layer thickness (LLT) of the tear film. The magnitude of increase was found to be correlated with the baseline LLT values; individuals with baseline LLT values of 75-150 nm demonstrated a mean increase in LLT of 33 nm following forceful blinking, whereas subjects with baseline LLT values < or = 60 nm experienced a mean increase of 19 nm. The difference in the magnitude of increase between the groups was highly significant (p = 0.0001). The data suggest that, in addition to playing a role in the spreading of lipid across the tear film, the blinking mechanism may be important in the maintenance of the lipid layer by augmenting the expression of lipids from the meibomian glands.
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Citations
Cited by
Functional aspects of the tear film lipid layer
Bron, A. J., Tiffany, J. M., Gouveia, S. M., Yokoi, N., & Voon, L. W. (2004) · Experimental Eye Research · doi:10.1016/j.exer.2003.09.019 · Cited by 782
The Ocular Surface and Tear Film and Their Dysfunction in Dry Eye Disease
Rolando, M., & Zierhut, M. (2001) · Survey of Ophthalmology · doi:10.1016/s0039-6257(00)00203-4 · Cited by 366
Driver, P. J., & Lemp, M. A. (1996) · Survey of Ophthalmology · doi:10.1016/s0039-6257(96)80064-6 · Cited by 324
Trunfio-Sfarghiu, A.-M., Berthier, Y., Meurisse, M.-H., & Rieu, J.-P. (2008) · Langmuir · doi:10.1021/la8005234 · Cited by 109
Metadata
- Authors
- Korb, D. R., Baron, D. F., Herman, J. P., Finnemore, V. M., Exford, J. M., Hermosa, J. L., Leahy, C. D., Glonek, T., & Greiner, J. V.
- Venue
- Cornea
- Published
- 1994-07
- Volume
- 13
- Issue
- 4
- Pages
- 354-359
- ISSN
- 0277-3740 (ISSN-L)
- OpenAlex
- W2001866016
- Cited by
- 225
- References
- 0
- FWCI
- 1.48
- Type
- journal article
- Language
- en
- Open access
- closed
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- Korb, D. R., Baron, D. F., Herman, J. P., Finnemore, V. M., Exford, J. M., Hermosa, J. L., Leahy, C. D., Glonek, T., & Greiner, J. V. (1994). Tear Film Lipid Layer Thickness as a Function of Blinking. Cornea. https://doi.org/10.1097/00003226-199407000-00012
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
