Abstract
To evaluate the incidence of persistent diplopia in primary position after encircling band procedures with pars plana vitrectomy (PPV) and to report the outcomes. Observational, retrospective study. One hundred sixteen patients who underwent successful rhegmatogenous retinal detachment (RRD) at our center from 2009 through2014. We studied all patients with RRD who underwent successful PPV with an encircling band. Patients reporting diplopia more than 2 months after retinal surgery were identified and evaluated by our strabismus colleagues. Outcome measures included near and far deviation in prism diopters, degree of anisometropia, and visual acuity. Six of 116 patients reported persistent diplopia in primary position (5.2%). The diplopia most often was related to vertical microdeviations from 3 to 5 prism diopters, and it was managed adequately with prisms. The deviation remained unchanged during the follow-up, except in 1 patient. Persistent diplopia associated to PPV with an encircling band has a low incidence and a small angle of deviation, and in our cases, it could be corrected successfully with prisms.
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