Clinical analysis of childhood intermittent exotropia with surgical success at postoperative 2 years

Kim, Hae Jin; Choi, Dong Gyu

doi:10.1111/aos.12849

Cited by 22 publications

(33 citation statements)

References 20 publications

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“…Considering the high rate of recurrence and reoperation after surgery for exotropia due to postoperative exodrift and late undercorrection, modifications of the conventional surgical table by increasing the amount of recession have been suggested (Lee et al 2007;Arda et al 2014;Kim & Choi 2016). Lee et al (2007) reported the outcome of augmented BLR recession for basic intermittent exotropia and showed that increasing the amount of recession by 1.5 mm to 2.5 mm per eye improved success rate (68.2%) compared to that of the conventional degree of recession according to the Parks' formula (43.9%).…”

Section: Discussionmentioning

confidence: 99%

Surgical responses and outcomes of bilateral lateral rectus recession in exotropia with cerebral palsy

Joong

Yang

Hwang

2016

Acta Ophthalmologica

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Section: Discussionmentioning

confidence: 99%

Surgical responses and outcomes of bilateral lateral rectus recession in exotropia with cerebral palsy

Joong

Yang

Hwang

2016

Acta Ophthalmologica

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“…A common approach for clinicians to treat the patients with a poor control of exodeviation is strabismus surgery [1,2,7]. However, whether strabismus surgery benefits the patients longitudinally is nebulous because the recurrence rate of IXT after surgery has been shown to be high [8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Can Clinical Measures of Postoperative Binocular Function Predict the Long-Term Stability of Postoperative Alignment in Intermittent Exotropia?

Zhang

et al. 2020

Journal of Ophthalmology

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Purpose. To evaluate whether clinical measures of postoperative binocular functions could predict the long-term stability of postoperative ocular alignment in children with intermittent exotropia. Methods. A retrospective study was performed in thirty-nine children (median: 7 years) who have been surgically treated from intermittent exotropia without overcorrection (less than 10 prism diopters [pd] of exodeviation at 1 month postoperatively). Angles of deviation and binocular functions were measured preoperatively and at 1 month, 6 months, and the final follow-up visit (≥24 months) postoperatively. We examined the relationships between postoperative drift (change of ocular alignment) and binocular functions (sensory fusion, fusional convergence amplitude, and stereoacuity). Results. The surgical success rate (esophoria/tropia ≤5 pd to exophoria/tropia ≤10 pd) dropped to 76.9% at 6 months after surgery and to 53.8% at individuals’ last visit (mean: 37 months). The mean exodrift was 7.7 ± 9.2 pd from the postoperative month 1 to the final visit (p<0.001) on distance fixation. Distance stereoacuity, central fusion, and fusional convergence amplitude significantly improved following surgery (p<0.05). However, no significant correlation was found between their binocular functions measured at the beginning of each follow-up period and the postoperative drift (all p>0.13). Conclusion. Our findings suggest that the clinical measures of sensory fusion, fusional convergence amplitude, and stereoacuity cannot serve as a robust predictor for the long-term stability of postoperative ocular alignment in patients who underwent successful surgery without overcorrection at 1 month postoperatively.

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“…Raab & Parks () reported that an overcorrection of 10–20 PD can lead to good results. Kim & Choi () found that early postoperative overcorrection was significantly associated with the maintenance of successful surgical outcome of IXT. In addition, exotropic drift was observed during the postoperative 6‐month follow‐up in our study, and the greatest amount of exotropic drift both occurred in the first postoperative month in the two groups.…”

Section: Discussionmentioning

confidence: 99%

Comparison of bilateral medial rectus plication and resection for the treatment of convergence insufficiency‐type intermittent exotropia

Wang

Zhang

Chen

et al. 2019

Acta Ophthalmologica

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Purpose: To compare the clinical outcomes of bilateral medial rectus plication and resection for the treatment of convergence insufficiency (CI)-type intermittent exotropia (IXT). Methods: Fifty-five patients with CI-type IXT were included in this prospective study and were followed for 6 months. The patients were randomized into two groups: the bilateral medial rectus plication (BMRP) group (n = 27) and the bilateral medial rectus resection (BMRR) group (n = 28). The eye examinations of each patient were carried out before the surgery and at 1 day and 1, 3 and 6 months postoperatively. The success rate, angle of deviation, stereoacuity, operative time and postoperative conjunctival swelling and redness score were analysed. Results: The mean deviation at distance at 1 day postoperatively was +6.6 AE 5.6 prism dioptres (PD) in the BMRP group, which was lower than the value of +10.8 AE 9.3 PD observed in the BMRR group (p = 0.046). There was more overcorrection in the BMRR group at first day after surgery. However, there were no significant differences in deviations or success rates were observed between the two groups at 1, 3 and 6 months after surgery (p > 0.05). The operative time in the BMRP (12.9 AE 1.4 min) group was shorter than that in the BMRR (14.7 AE 1.4 min) group (p < 0.001). Postoperative conjunctival swelling and redness were milder in the BMRP group than in the BMRR group (p < 0.001). Conclusion: The BMRP surgery could be an alternative procedure to BMRR for the treatment of CI-type IXT with less immediate postoperative overcorrection and simpler, safer, less traumatic characteristics.

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Clinical analysis of childhood intermittent exotropia with surgical success at postoperative 2 years

Cited by 22 publications

References 20 publications

Surgical responses and outcomes of bilateral lateral rectus recession in exotropia with cerebral palsy

Surgical responses and outcomes of bilateral lateral rectus recession in exotropia with cerebral palsy

Can Clinical Measures of Postoperative Binocular Function Predict the Long-Term Stability of Postoperative Alignment in Intermittent Exotropia?

Comparison of bilateral medial rectus plication and resection for the treatment of convergence insufficiency‐type intermittent exotropia

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