Clinical Study

Surgical Outcome of Medial Rectus Resection in Recurrent Exotropia: A Novel Surgical Formula

Table 2

Success rates between unilateral and bilateral medial rectus muscle resection groups at postoperative 1 month and 6 months and at last follow-up.

UMR resection ()BMR resection () value

Success (%)
 Postoperative 1 week19 (100%)18 (82%)0.05
 Postoperative 1 month18 (95%)18 (82%)0.115
 Postoperative 6 months13 (68%)16 (73%)0.763
 At last follow-upa12 (63%)16 (73%)0.511
Undercorrection (exodeviation 10 PD)
 Postoperative 1 week0 (0%)3 (14%)
 Postoperative 1 month1 (5%)3 (14%)
 Postoperative 6 months6 (32%)6 (27%)
 At last follow-up7 (37%)6 (27%)
Overcorrection (esodeviation 5 PD)
 Postoperative 1 week0 (0%)1 (5%)
 Postoperative 1 month0 (0%)1 (5%)
 Postoperative 6 months0 (0%)0 (0%)
 At last follow-up0 (0%)0 (0%)

UMR: unilateral medial rectus; BMR: bilateral medial rectus; PD: prism dioptres; amean last follow-up time = 17.5 months ± 12 months (6–46 months).