Department of Ophthalmology, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia.
Pediatric Ophthalmology, Eye Institute Cleveland Clinic Abu Dhabi Abu Dhabi, UAE.
Ophthalmic Plast Reconstr Surg. 2020 Nov/Dec;36(6):566-568. doi: 10.1097/IOP.0000000000001637.
To describe a novel observation of ipsilateral eyelid myokymia in the context of Marcus Gunn jaw-winking synkinesis (MGJWS).
A retrospective case series of 5 patients observed to have myokymia in the context of MGJWS in 2 tertiary hospitals in Riyadh, Saudi Arabia was conducted. Demographic profile including age and gender, and clinical features were analyzed.
Five patients (3 males and 2 females) with MGJWS were noted to demonstrate the phenomenon of ipsilateral eyelid myokymia. All but 1 had right-sided MGJWS. The myokymia was seen as upper eyelid twitching in a vertical fashion along the levator palpebrae superioris muscle field of action. All subjects also had ipsilateral Monocular elevation deficiency.
Ipsilateral upper eyelid myokymia is a potential feature of MGJWS. Monocular elevation seems to be a constant feature among MGJWS patients with levator muscle myokymia.Marcus Gunn jaw-winking synkinesis (MGJWS) is not well understood. Ipsilateral eyelid myokymia is a potential feature of MGJWS. This finding suggests that peripheral dysinnervation is likely to be a part of MGJWS.Supplemental Digital Content is available in the text.
描述 Marcus Gunn 下颌眨眼联带运动（MGJWS）中同侧眼睑肌纤维抽搐的新观察结果。
对在沙特阿拉伯利雅得的 2 家三级医院观察到的 5 例伴有 MGJWS 的肌纤维抽搐的患者进行回顾性病例系列研究。分析了人口统计学特征，包括年龄和性别，以及临床特征。
5 例（3 名男性和 2 名女性）MGJWS 患者表现出同侧眼睑肌纤维抽搐现象。除 1 例外，其余均为右侧 MGJWS。肌纤维抽搐表现为上眼睑沿提上睑肌运动区垂直抽动。所有患者均存在同侧单眼上睑下垂不足。
同侧上眼睑肌纤维抽搐是 MGJWS 的一个潜在特征。单眼抬高似乎是伴有提肌肌纤维抽搐的 MGJWS 患者的一个恒定特征。Marcus Gunn 下颌眨眼联带运动（MGJWS）尚不完全清楚。同侧眼睑肌纤维抽搐是 MGJWS 的一个潜在特征。这一发现表明，周围神经支配障碍可能是 MGJWS 的一部分。
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