Twenty selected patients with esotropia were treated with a unilateral
medial rectus recession. Ten patients underwent a 5-mm unilateral med
ial rectus recession for esotropia of 20 prism diopters (PD) or less,
6 a 5.5-mm recession far esetropia of 25 PD, and 4 a 6-mm recession fo
r esotropia of 30 PD, Eighteen of the treated patients were straight p
ostoperatively orad id or less of esotropia; there were no overcorrect
ions, Clinically significant limitation of adduction did not occur in
any of the patients, Unilateral medial rectus recession should he cons
idered as an alternative in the treatment of small-angle esotropia.