Marcus Gunn phenomenon

jaw-·wink·ing syn·drome

[MIM*154600] an increase in the width of the palpebral fissures during chewing, sometimes with a rhythmic elevation of the upper lid when the mouth is open and with ptosis when the mouth is closed. Synonym(s): Gunn phenomenon, Gunn syndrome, jaw-winking phenomenon, jaw-working reflex, Marcus Gunn phenomenon, Marcus Gunn syndrome

Marcus Gunn pupil

A change in the pupillary reflex, caused by unilateral optic nerve or retinal disease.
Method
A light is shone, first on one eye and then the other, with the opposite eye covered; the affected eye demonstrates a slight contraction or dilation of the pupil.

Marcus Gunn phenomenon

Marcus Gunn pupillary sign, swinging flashlight Neurology A change in the pupillary reflex, caused by unilateral optic nerve or retinal disease; a light is shined, first on one, then the other eye with the opposite eye covered; the affected eye demonstrates a slight contraction or dilation of the pupil

jaw-wink·ing syn·drome

(jaw'wingk'ing sin'drōm) An increase in the width of the palpebral fissures during chewing, sometimes with a rhythmic elevation of the upper lid when the mouth is open and ptosis when the mouth is closed.
Synonym(s): Gunn syndrome, Marcus Gunn phenomenon, Marcus Gunn syndrome.

Marcus Gunn phenomenon

See JAW WINKING.

单词	marcus gunn phenomenon
释义	Marcus Gunn phenomenon jaw-·wink·ing syn·drome [MIM*154600] an increase in the width of the palpebral fissures during chewing, sometimes with a rhythmic elevation of the upper lid when the mouth is open and with ptosis when the mouth is closed. Synonym(s): Gunn phenomenon, Gunn syndrome, jaw-winking phenomenon, jaw-working reflex, Marcus Gunn phenomenon, Marcus Gunn syndrome Marcus Gunn pupil A change in the pupillary reflex, caused by unilateral optic nerve or retinal disease. Method A light is shone, first on one eye and then the other, with the opposite eye covered; the affected eye demonstrates a slight contraction or dilation of the pupil. Marcus Gunn phenomenon Marcus Gunn pupillary sign, swinging flashlight Neurology A change in the pupillary reflex, caused by unilateral optic nerve or retinal disease; a light is shined, first on one, then the other eye with the opposite eye covered; the affected eye demonstrates a slight contraction or dilation of the pupil jaw-wink·ing syn·drome (jaw'wingk'ing sin'drōm) An increase in the width of the palpebral fissures during chewing, sometimes with a rhythmic elevation of the upper lid when the mouth is open and ptosis when the mouth is closed. Synonym(s): Gunn syndrome, Marcus Gunn phenomenon, Marcus Gunn syndrome. Marcus Gunn phenomenon See JAW WINKING.
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