Korean J Ophthalmol.  1988 Dec;2(2):69-71. 10.3341/kjo.1988.2.2.69.

The significance of tear film break-up time in the diagnosis of dry eye syndrome

Affiliations
  • 1Department of Ophthalmology, College of Medicine, Seoul National Univercity, Seoul, Korea.

Abstract

The significance of tear film break-up time (BUT) was investigated by analyzing its distribution and reproducibility in 30 normal subjects and 20 dry eye patients. The BUTs* were all above 5 seconds and the reproducibility was 65% in normalsubjects. However, those were all below 10 seconds and the reproducibility was 95% in dry eye patients. These results suggest that: 1) The patient whose BUT* is below 5 seconds can be diagnosed as dry eye syndrome. 2) The value of BUT* above 10 seconds can be regarded as normal. (*The mean value of 4 different visits)

Keyword

dry eye syndrome; reproducibility of the BUT; tear film break-up time

MeSH Terms

Adult
Dry Eye Syndromes/*diagnosis
Female
Humans
Male
Tears/*analysis
Time Factors

Cited by  2 articles

Prevalence and Risk Factors of Dry Eye Syndrome in the Incheon Area
Hoon Seok Jeong, Jung Soo Lim, Dae Kyu Oh, Mi Jung Chi, Hye Jung Paik, Kyung Hwan Shyn, Kyun Hyung Kim
J Korean Ophthalmol Soc. 2011;52(10):1135-1141.    doi: 10.3341/jkos.2011.52.10.1135.

Reliability of a New Non-invasive Tear Film Break-up Time Measurement Using a Keratograph
Seongyong Jeong, Sang Bumm Lee
J Korean Ophthalmol Soc. 2016;57(9):1354-1360.    doi: 10.3341/jkos.2016.57.9.1354.

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