Two cases of Duane retraction syndrome with abnormal orbital structures

Duane retraction syndrome (DRS) is a rare congenital nonprogressive restrictive strabismus. The absence/hypoplasia of the abducens nerve and the aberrant innervation of the lateral rectus muscle by the oculomotor nerve have been hypothesized as causes of DRS, although the phenomenon of globe retract...

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Veröffentlicht in:Journal of AAPOS 2024-04, Vol.28 (2), p.103855, Article 103855
Hauptverfasser: Zhang, Ranran, Jia, Hongyan, Chang, Qinglin, Zhang, Zongrui, Jiao, Yonghong
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Sprache:eng
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Zusammenfassung:Duane retraction syndrome (DRS) is a rare congenital nonprogressive restrictive strabismus. The absence/hypoplasia of the abducens nerve and the aberrant innervation of the lateral rectus muscle by the oculomotor nerve have been hypothesized as causes of DRS, although the phenomenon of globe retraction can also occur in the setting of mechanical factors, such as congenital abnormal orbital structures or orbital trauma. We present the cases of 2 DRS patients with absent abducens nerve and abnormal muscular bands connecting the superior rectus and inferior rectus muscles on the temporal side of the optic nerve.
ISSN:1091-8531
1528-3933
DOI:10.1016/j.jaapos.2024.103855