<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Marcus Gunn jaw wink phenomenon or Trigeminal oculomotor synkinesis, is a congenital disorder in which the upper lid moves synkinetically in response to jaw movement during chewing. The term synkinesis describes the simultaneous movement or a coordinated sequence of movements of muscles, which are supplied by different nerves or by separate peripheral branches of the same nerve. Although it rarely manifests bilaterally, it is typically unilateral. In 1883, Dr Robert Marcus Gunn, a Scottish Ophthalmologist described a 15-year-old girl with a peculiar type of congenital ptosis that included an associated winking motion of the affected eyelid on the movement of the jaw. It is known to affect both men and women equally. This phenomenon has been reported to be a similar phenomenon affecting 2-13% of all cases of congenital ptosis. It can be congenital or acquired, for example through trauma. The Congenital Marcus Gunn jaw wink phenomenon is thought to arise from the connection between the branch of the trigeminal nerve (responsible for chewing) supplying the middle or lateral pterygoid muscle and the branch of the oculomotor nerve supplying the upper superior levator ocular defect. Here we present a case report of Marcus Gunn’s Jaw-Winking Synkinesis in congenital ptosis.</p>
</abstract>

Marcus Gunn jaw wink phenomenon or Trigeminal oculomotor synkinesis, is a congenital disorder in which the upper lid moves synkinetically in response to jaw movement during chewing. The term synkinesis describes the simultaneous movement or a coordinated sequence of movements of muscles, which are supplied by different nerves or by separate peripheral branches of the same nerve. Although it rarely manifests bilaterally, it is typically unilateral. In 1883, Dr Robert Marcus Gunn, a Scottish Ophthalmologist described a 15-year-old girl with a peculiar type of congenital ptosis that included an associated winking motion of the affected eyelid on the movement of the jaw. It is known to affect both men and women equally. This phenomenon has been reported to be a similar phenomenon affecting 2-13% of all cases of congenital ptosis. It can be congenital or acquired, for example through trauma. The Congenital Marcus Gunn jaw wink phenomenon is thought to arise from the connection between the branch of the trigeminal nerve (responsible for chewing) supplying the middle or lateral pterygoid muscle and the branch of the oculomotor nerve supplying the upper superior levator ocular defect. Here we present a case report of Marcus Gunn’s Jaw-Winking Synkinesis in congenital ptosis.

Marcus Gunn jaw-winking syndrome: A case report

Department of Oral Medicine and Radiology

Acta Marisiensis - Seria Medica

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Marcus Gunn jaw-winking syndrome: A case report"}

Marcus Gunn jaw wink phenomenon or Trigeminal oculomotor synkinesis, is a congenital disorder in which the upper lid moves synkinetically in response to jaw...

Marcus Gunn jaw-winking syndrome: A case report

Pubblicato online: 28 dic 2023

Pagine: 302 - 304

Ricevuto: 15 ago 2023

Accettato: 16 set 2023

DOI: https://doi.org/10.2478/amma-2023-0040

Parole chiave
Marcus Gunn jaw wink phenomenon, trigeminal nerve, oculomotor nerve

© 2023 Sivan Sathish et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Marcus Gunn jaw-winking syndrome: A case report

Pubblicato online: 28 dic 2023

Pagine: 302 - 304

Ricevuto: 15 ago 2023

Accettato: 16 set 2023

DOI: https://doi.org/10.2478/amma-2023-0040

Parole chiaveMarcus Gunn jaw wink phenomenon, trigeminal nerve, oculomotor nerve

© 2023 Sivan Sathish et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Parole chiave
Marcus Gunn jaw wink phenomenon, trigeminal nerve, oculomotor nerve