title: Botulinum toxin as a tool for testing the risk of postoperative diplopia.
abstract: If preoperative examinations indicate postoperative diplopia, we generally would dissuade a patient from a squint operation. In this situation, a reliable test for diplopia can be done by injection of Botulinum toxin into an eye-muscle. Thus a predominantly transient paresis is produced during which there is parallelism for a sufficient period of time, so that the patient has time enough to experience disturbing double vision or its absence. In all 31 patients of this study a clear decision for or against an operation was possible, only in three cases was an operation contraindicated.
authors.affiliation: Universitäts-Augenklinik, Sigmund-Freud Strasse 25, D-53105, Bonn, Germany.
authors.forename: Z
authors.initials: Z
authors.lastname: Nüssgens
authors.forename: P
authors.initials: P
authors.lastname: Roggenkämper