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Keratometric Tear Breakup Time and Fluorescein Tear Breakup Time

Dry Eye Clinical Trial

Official title:
Comparison of Keratometric Tear Break Up Time (KTBUT) to Fluorescein Tear Break Up Time (FTBUT)

Clinical Trial Summary

The purpose of the research is to determine if putting fluorescein onto the eye (most common test done for dry eye syndrome) is an accurate way to measure dry eye symptoms. The investigators can avoid placing any foreign substance into the eye by using a manual keratometer. Therefore, the investigators want to compare the measurements of tear breakup time using fluorescein with using a novel method, a manual keratometer and then compare these measurements to a validated dry eye symptoms questionnaire. All qualifying patients who were scheduled in the Jones Eye Institute Clinics for a complete eye exam were offered information about the study and invited to participate. Participants were recruited from February 29, 2009 to April 14, 2009.Participants who did not meet the study protocol's inclusion and exclusion criteria were not included the study or study data analysis. All subjects eyes were measured for KTBUT and FTBUT.

Clinical Trial Description

This is an observational study to measure the difference between Keratometric Tear Break Up Time (KTBUT) and Fluorescein Tear Break Up Time (FTBUT). All qualified study participants had their eyes measured for tear break up time measured with a keratometer and with fluorescein dye. In this study, we compare the use of the most common method, fluorescein dye, to measure tear break up time to a novel method, a keratometer, to measure tear break up time. Using the keratometer avoids instilling fluorescein dye into the tear film and not altering the tear film's physiologic environment. ;

Study Design

Observational Model: Case-Only, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00854906
Study type Observational
Source University of Arkansas
Contact
Status Completed
Phase N/A
Start date February 2009
Completion date June 2009
View Details
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