Clinical tests for testing tear drainage are as follows: Dilatation & Irrigation (syringing), Johne’s dye test, Schirmer’s test, dacryocystogram and lacrimal scintillogram. The eye doctor will ask ...
The term ‘functional nasolacrimal duct obstruction’ describes patients with epiphora where the tear duct is partially or completely patent to syringing. Delayed tear drainage is demonstrated with a ...
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