Journal article
Noninvasive In Vivo Assessment of Soft Contact Lens Type on Tear Film Surface Quality
Investigative Ophthalmology & Visual Science, Vol.53(1), pp.525-531
2012
PMID: 22205598
Abstract
PURPOSE. To evaluate the effect of soft contact lens type on the in vivo tear film surface quality (TFSQ) on daily disposable lenses and to establish whether two recently developed techniques for noninvasive measurement of TFSQ can distinguish between different contact lens types.
METHODS. Thirteen subjects wearing four different types of daily soft contact lenses participated in the study. Dynamic area high-speed videokeratoscopy (HSV) and lateral shearing interferometry (LSI) were used to quantitatively assess TFSQ in natural blinking conditions in the morning soon after lens insertion and in the afternoon following 8 hours of lens wear.
RESULTS. All considered contact lenses caused a significant reduction in TFSQ compared with bare eye measures. Significant differences (P < 0.05) in the average TFSQ were also observed between all contact lens materials in LSI measurements and in the majority of dynamic area HSV measurements. The potential relationship between the contact lens parameters and the observed decline in the prelens TFSQ was explored.
CONCLUSIONS. Noninvasive techniques of tear film surface assessment have the potential to discriminate contact lens type/material on eye. LSI was found to more effectively perform this discrimination than the dynamic area HSV technique. (Invest Ophthalmol Vis Sci. 2012;53:525-531) DOI:10.1167/iovs.11-8257
Details
- Title
- Noninvasive In Vivo Assessment of Soft Contact Lens Type on Tear Film Surface Quality
- Authors
- Dorota H. Szczesna-Iskander (Corresponding Author) - Wrocław University of TechnologyD. Robert Iskander (Author) - Wrocław University of Science and TechnologyScott A. Read (Author) - Queensland University of TechnologyDavid Alonso-Caneiro (Author) - Queensland University of Technology
- Publication details
- Investigative Ophthalmology & Visual Science, Vol.53(1), pp.525-531
- Publisher
- Association for Research in Vision and Ophthalmology
- DOI
- 10.1167/iovs.11-8257
- ISSN
- 1552-5783
- PMID
- 22205598
- Organisation Unit
- School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99973594602621
- Output Type
- Journal article
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- Ophthalmology
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