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Journal of Ophthalmology
Volume 2012 (2012), Article ID 983182, 6 pages
doi:10.1155/2012/983182
Effect of Airflow Exposure on the Tear Meniscus
1Flaum Eye Institute, University of Rochester, Rochester, NY 14642, USA
2Department of Ophthalmology, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
3The Institute of Optics, University of Rochester, Rochester, NY 14642, USA
Received 14 July 2011; Revised 9 November 2011; Accepted 23 December 2011
Academic Editor: Christopher Kai-shun Leung
Copyright © 2012 Shizuka Koh et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Purpose. To compare the effect of airflow exposure on the tear meniscus and blink frequency in normal and evaporative dry eye subjects. Methods. In 9 normal subjects and 9 short tear breakup time (SBUT) dry eye subjects, lower tear meniscus height (TMH) and area (TMA) and blink frequency were measured with anterior segment optical coherence tomography (OCT) before and after 5 minutes of airflow exposure ( m/s). Results. In SBUT dry eyes, both TMH and TMA decreased significantly (, ) with a significant increase of blink frequency after airflow exposure, while significant increase in TMA was found in normal eyes. Conclusion. Measurement of the tear meniscus with anterior segment OCT seems to be useful as a noninvasive and objective method for evaluating the effect of airflow on tear film.