AOJ Vol. 45 p. 108

American Orthoptic Journal Abstract

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Volume 45, 1995, p. 108–114

Single Medial Rectus Recession in Unilateral Duane Syndrome Type I (Abstract)
Terry John Kaban, O.C.(C.), Kathy Smith, O.C.(C.), Catherine Day, O.C.(C.), Robert Orton, M.D., Stephen Kraft, M.D., and Werner Cadera, M.D.

The purpose of this study was to evaluate the effect of a single medial rectus recession on the affected eye in unilateral Duane syndrome type I patients as it pertains to their compensatory head posture (CHP), esotropia, and binocularity. Records of 29 patients with unilateral Duane syndrome type I who had a solitary medial rectus recession on the affected eye were included from the pediatric ophthalmology services at the Ivey Institute of Ophthalmology in London, Canada and at The Hospital for Sick Children in Toronto, Canada and reviewed. After an average 31-month postoperative followup, twenty of 28 patients (71%), who, while fixating at 6m, had an average CHP of 19^o preoperatively, had a residual CHP of 5^o or less postoperatively. The esotropia fixating at 6m was reduced from an average 18 to 6.2 and of the 24 patients who were tested for sensory binocular single vision preoperatively and postoperatively, all had stable or improved stereoacuity. We conclude that a single medial rectus recession can produce satisfactory results in the majority of patients with unilateral Duane syndrome type 1.

American Orthoptic Journal Abstract