Are we overlooking masked bilateral congenital superior oblique palsy in children: is it possible to diagnose before surgery?

Turan, Kadriye Erkan; Şekeroğlu, Hande Taylan; Sanaç, Ali Şefik

doi:10.1007/s10792-017-0638-8

Cited by 1 publication

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“…The most important complication of inferior oblique muscle weakening in one eye is the undesired development of IOO in the contralateral eye, with a development rate of as high as 78%. [ 18 19 20 21 ] Dotan et al . [ 21 ] noted that this possibility may occur, particularly in eyes with hypertropia <5 PD in the primary position.…”

Section: Discussionmentioning

confidence: 99%

Inferior oblique overaction: The results of myectomy in cases with a primary position vertical deviation less and more than 20 prism diopters

Sefi-Yurdakul

Gucyetmez

2020

Middle East Afr J Ophthalmol

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PURPOSE: The purpose of this study is to evaluate the results of myectomy in inferior oblique overaction cases with a vertical deviation angle of <20 and ≥20 prism diopters (PD) in the primary position. METHODS: The medical records of cases with inferior oblique overaction that underwent inferior oblique myectomy for ≥6 PD hypertropia in the primary position and >+1 inferior oblique overaction were reviewed. Preoperative and postoperative examination findings and success rates were compared of cases with a deviation angle <20 PD (Group 1) and ≥20 PD (Group 2). RESULTS: The mean age of 35 (58%) female and 25 (42%) men cases of Group 1 ( n = 60) were 12.8 ± 9.4 years; the mean age of 25 (58%) female and 18 (42%) male cases of Group 2 ( n = 43) were 14.8 years ( P = 0.340). The near hypertropia was decreased from 11 to 0.5 PD in Group 1, from 22.1 to 5.1 PD in Group 2 cases ( P < 0.001). The distance hypertropia was decreased from 11.3 to 0.5 PD in Group 1 and from 23.3 to 6.1 PD in Group 2 cases ( P < 0.001). The mean degree of hypertropia at near and distance was statistically significantly higher both pre- and post-operatively in Group 2 than in Group 1 ( P < 0.001), and improved statistically significantly with the initial surgery in both groups ( P < 0.001). The rate of the presence of stereopsis of ≥3000 s/arc and fusion, the main criteria of binocular vision (BOV), was not statistically significantly different between the Groups before ( P = 0.577) and after the surgery ( P = 0.678), but the presence of BOV significantly increased both in Group 1 ( P < 0.001) and Group 2 ( P = 0.004) postoperatively. The number of cases with surgical success was 57 (95%) and 25 (58%), respectively, in Groups 1 and 2 ( P < 0.001). CONCLUSIONS: Myectomy is an effective surgical procedure that can be easily and quickly performed in inferior oblique overaction cases and has high success rates in cases with a small-to-moderate angle of deviation.

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Section: Discussionmentioning

confidence: 99%

Inferior oblique overaction: The results of myectomy in cases with a primary position vertical deviation less and more than 20 prism diopters

Sefi-Yurdakul

Gucyetmez

2020

Middle East Afr J Ophthalmol

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Are we overlooking masked bilateral congenital superior oblique palsy in children: is it possible to diagnose before surgery?

Abstract: Bilateral congenital superior oblique palsy may be overlooked in children in spite of detailed preoperative evaluation. Masked bilaterality should always be kept in mind in cases with unilateral pathology. Patients should be informed about the possibility of bilaterality.

Cited by 1 publication

References 11 publications

Inferior oblique overaction: The results of myectomy in cases with a primary position vertical deviation less and more than 20 prism diopters

Inferior oblique overaction: The results of myectomy in cases with a primary position vertical deviation less and more than 20 prism diopters

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