Congenital nasolacrimal system obstruction.
PubMed ID: 6896140 Author(s): Kushner BJ. Congenital nasolacrimal system obstruction. Arch Ophthalmol. 1982 Apr;100(4):597-600. Journal: Archives Of Ophthalmology (Chicago, Ill. : 1960), Volume 100, Issue 4, Apr 1982 A series of 132 children with congenital nasolacrimal system obstruction was prospectively randomized into three groups to determine the effectiveness of different modes of nonsurgical treatment. Massaging …