Poster 200

by in  Poster Session 3

 

Clinical Outcomes of Adjustable Strabismus Surgery for Sensory Exotropia

Samiksha Fouzdar Jain; Majid Rouhbakhshzaeri; In Ae Jang; Mehmet Mocan; Nathalie Azar
University of Illinois
Chicago, IL

 

Introduction: The purpose of this retrospective study is to look into the immediate and long-term postoperative anatomic and functional outcomes following adjustable suture strabismus surgery in sensory exotropia.

Methods: Patients with the diagnosis of sensory exotropia who underwent surgical correction between January 2007 and January 2015 by a single surgeon were included in the study. Clinical data including pre- and post-operative alignments at near and distance fixations were included in analysis. Post-operative success was defined as 8 PD of misalignment at the end of 6 months follow up.

Results: The mean age of study patients (10M:10F) was 28.7± 15.5 SD years (range=9-67 years). All patients were left with a small angle (<8PD) esodeviation immediately following adjustment. The overall success rate at the end a 6m follow-up was 68.4% with 13 out of 19 patients being orthotropic or having a misalignment less than 8PD. The mean pre-operative and post-operative deviations were 35.3 (± 17.3) PD and 6.7 (±9.6SD) PD, respectively.

Discussion: The majority of patients with sensory exotropia retain their postoperative alignment, even in the setting of poor visual acuity in the operated eye. Our results suggest that adjustable suture surgery may be advantageous in sustaining good long-term alignment through reliably positioning the deviated in the eso-position to decrease the likelihood of recurrence.

Conclusion: Adjustable strabismus surgery can be offered to patients with sensory exotropia with approximately 68% success rate within 1 years following surgical correction.

References: 1. Govindan M, Mohney BG, Diehl NN, et al. Incidence and types of childhood exotropia. Ophthalmology 2005; 112:104-108.
2. Choi J, Kim SJ, Yu YS. Initial postoperative deviation as a predictor of long-term outcome after surgery for intermittent exotropia. J AAPOS. 2011;15(3):224-229.
3. Mireskandari K, Schofield J, Cotesta M, Stephens D, Kraft SP. Achieving postoperative target range increases success of strabismus surgery in adults: a case for adjustable sutures? Br J Ophthalmol.|2015 Dec;99(12):1697-701.

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