Diagnostic procedure on lacrimal system	Ophthalmic examination and evaluation	Ophthalmological test	Procedure on duct
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Dye disappearance test (procedure)
	Dye disappearance test
	DDT - Dye disappearance test Fluorescein dye disappearance test
	BUT-test
	'break-up time'-test

Id	418169008
Status	Primitive

Has intent	Diagnostic intent
Method	Examination - action
Procedure site - Direct	Lacrimal drainage structure
Using substance	Fluorescein stain

DHD Procedure thesaurus reference set