Abstract
The literature relative to the various operations for iris inclusion is extensive. It is, however, almost wholly concerned with the clinical aspects of this operation on man. The results, as discussed, are compared with other filtering operations. The raison d'être for its continuation as a logical surgical attack is almost universally based on its apparent clinical results in lowering the glaucomatous tension. Some histologic studies have been made on eyes that have been enucleated after this operation. Naturally, these studies have usually been made on those eyes in which the operation was a failure, though histologic studies have also been made in certain cases in which the operation had continued to be successful over a period of several years. Holth recently presented observations based on a study of three eyes enucleated after death. In these he dealt with the histology of fistulas following anterior sclerotomy. Holth presented, on