Assessment of the surgical outcomes of esotropia in pediatric subjects with high accommodative convergence/accommodation ratio
A clinical assessment
Keywords:
Esotropia, bilateral medial rectus recession, high AC/A ratio, target angle, strabismus surgeryAbstract
Background: Treating subjects with a high AC/A ratio and with esotropia is a challenging and complex procedure, often associated with increased near deviation which may lead to various outcomes following the surgery. Aims: The present study was conducted to assess outcomes following surgery in children with esotropia who were surgically treated with primary bilateral medial rectus (BMR) recessions. The study also compared preoperative and postoperative measurements in subjects with a high AC/A ratio to a normal AC/A ratio to assess surgical outcomes. Materials and Methods: 122 subjects were divided into 2 groups based on AC/A ratio into high AC/A ratio and normal AC/A ratio The subjects with high AC/A were treated with bifocal management if they had near persistent ET of ≥10Δ in full cycloplegic correction and not if they had far ET of ≥10Δ. Target angle at the time of the surgery was assessed with stereopsis presence via positive butterfly/fly, and near and distance deviations ≤10Δ within orthophoria. These success outcomes were compared in subjects with normal AC/A ratio and AC/A ratio groups. The collected data were subjected to statistical evaluation.
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