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Home > Patients & Visitors > Health Library > Blocked Tear Ducts: Dye Disappearance Test
A fluorescein dye disappearance test is used in children
and adults to find out whether
tears are draining normally from the eyes into the
Normally, tears sweep the dye out of the eye and into the
tear ducts. If dye stays in the eye, the tear duct may be blocked.
Both eyes are usually tested and compared during this test, which is done
after other exams have not clearly shown that the duct is blocked.
A baby may fuss and cry during this test. Parents are often asked to hold
and soothe their child while he or she is being tested.
November 8, 2011
Adam Husney, MD - Family Medicine & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
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