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The Influence of Fluorescein Concentration on the Tear Film Break-Up Time(BUT)
Journal of the Korean Ophthalmological Society ; : 23-27, 1989.
Article in Korean | WPRIM | ID: wpr-167095
ABSTRACT
The Tear Film Break-Up Time(BUT) in the diagnosis of the dry eye syndrome was widely used, but its results were variable according to the methods of measuring BUTs. Especially, the method of Fluorescein administration and concentration had a great influence on BUT. The purpose of this study was to standardize the method used in measurement of BUT, particularly fluorescein solution concentration. We measured BUT in seven groups of different fluorescein solution concentration and total subjects were 464 persons. The results were as follows; 1. The mean BUT was 14.24 +/- 2.04 seconds in 0.12% Fluorescein solution, 11.73 +/- 2.11 seconds in 0.25% solution, 11.34 +/- 3.00 seconds in 0.5% solution, 10.3 +/- 3.50 seconds in 1% solution, 9.59 +/- 2.74 seconds in 2% solution, 7.56 +/- 1.84 seconds in 5% solution and 5.55 +/- 1.20 seconds in 8% solution. 2. The more Fluorescein concentration was, the shorter BUT became and there were statistically significant decrease in 0.25%, 0.5% and 2% Fluorescein solution.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Tears / Dry Eye Syndromes / Fluorescein / Diagnosis Type of study: Diagnostic study Limits: Humans Language: Korean Journal: Journal of the Korean Ophthalmological Society Year: 1989 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Tears / Dry Eye Syndromes / Fluorescein / Diagnosis Type of study: Diagnostic study Limits: Humans Language: Korean Journal: Journal of the Korean Ophthalmological Society Year: 1989 Type: Article