EPIPHORA, as the result of an obstruction in the drainage channels for the tears, is a persistent annoyance to many adults. The alleviation of this difficulty has been a problem that has frequently confronted both the ophthalmologist and the physician in general practice. In former years this problem has been managed chiefly through the insertion of metal probes into the channel extending from the lacrimal puncta to the opening of the nasolacrimal duct into the nose. Except in infants the various technics of probing have failed, as a rule, to effect permanent relief of the stricture or obstruction in the drainage channels, and the epiphora has returned after a temporary period of relief.
The perfection of the surgical technics of dacryocystorhinostomy has helped tremendously in the solution of the problem of epiphora among adults. Since the majority of obstructions to the normal flow of tears occur in the nasolacrimal duct,
HENDERSON JW. MANAGEMENT OF STRICTURES OF THE LACRIMAL CANALICULI WITH POLYETHYLENE TUBES. Arch Ophthalmol. 1950;44(2):198–203. doi:10.1001/archopht.1950.00910020203002
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