The Kaleff-Hollwich technique and results of external dacryocysto-rhinostomy operation.

After a review of the history of lacrimal surgery the author describes the techniques of dacryocystorhinostomy which are currently performed. The ideal method is that of Ohm (1921) and Dupuy-Dutemps (1921) with its totally closed mucosal anastomosis. Because of the technical problems demonstrated with this technique the author recommends that of Kaleff (1937), modified by Hollwich (1977). The advantages of this method are: 1. The almost closed mucosal cavity which permits primary would healing. 2. The easy strain-free practicability particularly in cases of small scarred sac and pre-positioned ethmoid cells. 3. The sure fixation of the mucosal roof at the subcutis particularly in cases of marked swelling. Finally a survey of long-term and short term observations on all 324 cases from 1964 to 1977 is given.