Comparative study of unilateral and bilateral surgery in moderate exotropia

Journal of Pediatric Ophthalmology and Strabismus
Vimla MenonSwati Phulijele

Abstract

To evaluate the surgical outcome of unilateral versus bilateral rectus recession for the correction of moderate exotropia. This was a prospective study of 20 consecutive cases of intermittent exotropia ranging from 15 to 25 prism diopters (PD) randomized into two groups and operated on by a single surgeon. In the unilateral group, a recession of 7.0 to 7.5 and 8.0 to 8.5 was done for 15 to 20 PD and 21 to 25 PD of exotropia, respectively. In the bilateral group, a recession of 5.0 to 5.5 and 6.0 to 6.5 mm was done for 15 to 20 PD and 21 to 25 PD of exotropia, respectively. Surgical results of both groups were compared 3 months postoperatively. The mean age of patients was 8.5 years in the unilateral group and 11 years in the bilateral group. The mean preoperative exotropia was 21.0 ± 3.77 PD in the unilateral group and 22.9 ± 3.03 PD in the bilateral group. The mean postoperative deviation at 3 months was 5.5 ± 4.03 PD in the unilateral group and 2.8 ± 3.91 PD in the bilateral group. Consecutive persistent small-angle esotropia was seen in one patient in the bilateral group. There was no significant incomitance at 3 months in either group. Unilateral and bilateral rectus recession are equally effective in mild to moderate exotr...Continue Reading

Citations

Mar 29, 2013·The British Journal of Ophthalmology·Joo Hyun KimDong Gyu Choi
May 17, 2014·The British Journal of Ophthalmology·Chang Ho Yoon, Seong-Joon Kim
Dec 17, 2014·Journal of AAPOS : the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus·Brita S DeaconPaul H Phillips
Jan 16, 2016·The British Journal of Ophthalmology·In Jeong LyuSei Yeul Oh
Jun 19, 2018·Journal of Pediatric Ophthalmology and Strabismus·Jake GurlandLeonard B Nelson
Apr 19, 2019·BMJ Open Ophthalmology·Pratik Chougule, Ramesh Kekunnaya
Mar 15, 2020·Scientific Reports·Jae Yun SungJeong-Min Hwang
Jan 27, 2021·Journal of Pediatric Ophthalmology and Strabismus·Rannveig Linda ThorisdottirHelena Buch Hesgaard

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