tear break-up test

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tear break-up test

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TBUT

A test for dry eyes in which fluorescein sodium is applied to the cornea. The amount of time it takes for the first dry spots to appear on the cornea is determined. A TBUT time of less than 10 seconds suggests poor tear film stability.
References in periodicals archive ?
TBUT of the two groups was significantly shortened, but there was no difference between the two groups (P > 0.05).
The following clinical tests were performed at each follow-up visit in this order: dry eye questionnaire, best corrected visual acuity (BCVA), Lipiview Interferometer examination, slit-lamp examination, TBUT, corneal staining, Schirmer I test, and extrusion of meibomian glands.
TBut the end of summer doesn't have to mean the end of fun as there's plenty of exciting gigs to enjoy over the next few months.
TBut with the average cost of a one bedroom flat there currently weighing in at a whopping PS399,011, we thought we'd look closer to home to see exactly what that kind of figure can get you.
TBut it's easy to see why it is on people's minds because the pretty period property near Llanelli doesn't cost the Earth.
TBut there are certainly a number of links - and the place boasts one hell of a drive.
According to the National Eye Institute/Industry Workshop, tear film break-up time (TBUT) is accepted as the global criterion of dry eye (4), despite the fact that many studies criticized it as imprecise and unreproducible (5).
To measure the tear breakup time (TBUT), 2% sodium fluorescein was
tBut Rodgers expects the 21-year-old to be ready to resume his campaign against Motherwell on Sunday - in time to take the armband back from skipper Scott Brown who will serve a one match suspension after being sent off after bagging a late winner at Kilmarnock on Sunday.