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 ...
However, the nasal mucosa is very sensitive and the flushing ... Only gentle pressure should be applied during irrigation to avoid rupture of the lacrimal sac; 3-ml syringes are usually sufficient ...
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