In 1905, Heine1 demonstrated that a surgical opening between the anterior chamber and the suprauveal space would allow aqueous to drain into this space and be absorbed, and introduced the operation known as cyclodialysis. Since then reports on the percentage of good operative results from this procedure have varied from 20%2 to 83%.3 This wide variation is partly explained by varying definitions of success and by the fact that postoperative success in some reports pertains to preliminary results.
Cyclodialysis along with other surgical procedures for glaucoma has also been criticized for its lack of permanence. It is the main purpose of this paper to determine the permanence of the operative success reported by O'Brien and Weih4 in 1949 on 100 cyclodialysis operations performed at the University of Iowa. A review of previous follow-up studies on cyclodialysis is presented for comparison and to illustrate the different criteria
SCHULTZ RO, WATZKE RC, SAWYER TR. The Long-Term Results from Cyclodialysis. Arch Ophthalmol. 1960;64(3):408–412. doi:10.1001/archopht.1960.01840010410014
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