Counterrotation of the globe in macular translocation

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Abstract
Background: Macular translocation is a new treatment option in age-related maculopathy. The aim of this study was to report experience with the handling of the sensory problems concerning subjective cyclorotation and binocularity that arise with this technique. Methods: The data of 33 patients who had undergone macular translocation and counterrotation of the globe by muscle surgery in a first operation, followed by silicone oil removal and sometimes revision of the eye muscles in a second operation, were evaluated. The counterrotation consisted of a partial transposition of the rectus muscles and extensive surgery on the anterior margins of the oblique eye muscles. Subjective monocular cyclorota- tion, motility and binocularity were tested. Results: In 5 patients after the two operations binocular single vision was proved; in one of these cases there was even stereoscopic function. Seventeen patients excluded one eye: 13 excluded the operated eye, 4 the fellow eye. Eleven patients experienced double vision or tilted images under binocular viewing conditions and thus required further surgery or occlusion of one eye. Conclusion: The majority of patients were not hindered by subjective cyclorotation. Nevertheless, in a large proportion of patients binocularity could not be reestablished because of still reduced visual acuity or cyclotropia. The data show that the aim of restoring binocularity can be achieved but in practice is often not attained.

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