Surgical outcome of single-staged three horizontal muscles squint surgery for extra-large angle exotropia

To report the surgical outcomes of 24 patients undergoing single-staged three horizontal muscles squint surgery for extra-large angle exotropia. Prospective case series of 24 consecutive patients with primary exotropia >60 prism diopters (PD) at distant and underwent single-staged three horizontal muscles squint surgery from 2003 to 2006. Surgery consisted of bilateral lateral rectus recession of 9.0 mm for 50 PD exotropic correction. For every...