History.—In 1918, the patient had the lacrimal sac removed because of chronic purulent dacryocystitis.
The epiphora from which he suffered, prior to excision of sac, was not relieved by the operative procedure. It was so severe that the patient suffered from a chronic eczema of the skin of the face, due to the constant overflow of tears.
Oct. 29, 1923, I placed a silver cannula in the lacrimal canal, after first slitting the lower canaliculus. The patient has been entirely free from epiphora since the operation, and claims that this is the first time that he has been relieved in twelve years.
TECHNIC OF OPERATION WHEN SAC HAS BEEN REMOVED
The canaliculus is slit, as it leads to the lacrimal canal. Incision is then carried deeply down into the canal. After the incision has been completed, the largest probe that is possible is passed through the canal into the