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December 1976

Lacrimal Trephine

Arch Ophthalmol. 1976;94(12):2155-2156. doi:10.1001/archopht.1976.03910040815016

• This article introduces a surgical instrument that facilitates treatment of obstructions of the common canaliculus or the internal canalicular punctum and which can be used with failure of dacryocystorhinostomy secondary to a membrane formation in the area of nasolacrimal anastomosis.