Abnormal biorbital angle in children with infantile exotropia

Tsukui, Makiko; Yagasaki, Teiji

doi:10.1007/s10384-021-00881-1

Cited by 3 publications

(2 citation statements)

References 19 publications

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“…In our previous study, 9 we demonstrated for the first time that there is a larger biorbital angle between the lateral walls of the orbit in patients with infantile exotropia. However, the relationship between the configuration of the orbit and the presence of strabismus has yet to be definitively established.…”

Section: Discussionmentioning

confidence: 66%

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Effects of Bilateral Medial Rectus Resection on Motor Outcomes in Infantile Exotropia

Yagasaki¹,

Yagasaki²,

Tsukui³

2022

OPTH

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Purpose To evaluate the effects of bilateral medial rectus resection (BMRres) on motor outcomes in infantile exotropia. Methods We evaluated 19 cases of infantile exotropia surgery. The mean age at surgical alignment was 4.8±3.4 years (range, 1.5–11.8 years). The surgical procedures included BMRres (5 cases), BMRres with unilateral lateral rectus recession (ULRR) (3 cases), bilateral lateral rectus recession (BLRR) (8 cases), unilateral lateral rectus recession and medial rectus resection (uniRandR) with contralateral lateral rectus recession (2 cases), and uniRandR (1 case). After dividing the cases into two groups (BMRres group, n=8; other group, n=11), the outcomes at 1 day and at 1, 3, and 6 months after surgery were compared. Surgical outcomes were defined as (1) success: distant esotropia ≤5 prism diopters ( Δ ) or exotropia ≤10 Δ , (2) recurrence: exotropia >10 Δ , or (3) overcorrection: esotropia >5 Δ . Results Although postoperative distant deviations at 1 day were not different between the two groups, the BMRres group showed smaller distant deviations at 1, 3, and 6 months than the other group (p=0.015, 0.019, and 0.006, respectively). Success rates of the BMRres and other groups were 88% and 73% at 1 day, 100% and 36% at 1 month, 88% and 27% at 3 months, 88% and 18% at 6 months, respectively. Although there were no significant differences between the two groups within 3 months after surgery, surgical outcomes in the BMRres group 6 months after surgery were significantly better than those in the other group (p=0.003). Conclusion BMRres is a better procedure than others for infantile exotropia to achieve desirable motor outcomes after surgery.

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Section: Discussionmentioning

confidence: 66%

“…The biorbital angle is defined as the angle formed by the intersection of both lines running tangentially along the deep lateral wall. 9 , 10 …”

Section: Methodsmentioning

confidence: 99%