or is attributable to nasolacrimal duct stenosis. Where such doubt exists, the early dynamic sequence scintillography in these cases will show (or fail to show) very rapid uptake into the lacrimal ...

Congenital nasolacrimal duct obstruction (CNLDO ... However, factors such as severe tear duct stenosis, early stent loss, and bilateral surgery were identified as risk factors for surgical ...

The term functional nasolacrimal duct obstruction (FNLDO; watering with patent drainage) is misleading as it implies occluded drainage and solely nasolacrimal duct pathology. 'Normal' tear ...