Gunn pupil

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Related to Gunn pupil: Afferent pupillary defect

Mar·cus Gunn pu·pil

(mar'kŭs gŭn),
Synonym(s): Gunn pupil
Farlex Partner Medical Dictionary © Farlex 2012

Gunn pupil

, Marcus Gunn pupil
Diminished pupillary reaction to direct light; the symptom is secondary to optic nerve disease.
See: swinging flashlight test
Medical Dictionary, © 2009 Farlex and Partners


Robert Marcus, English ophthalmologist, 1850-1909.
Gunn dots - minute, highly glistening, white or yellowish specks usually seen in the posterior part of the fundus.
Gunn phenomenon - an increase in the width of the eyelids during chewing. Synonym(s): Gunn syndrome; jaw-winking syndrome; Marcus Gunn syndrome
Gunn pupil - Synonym(s): Marcus Gunn pupil
Gunn sign - compression of the underlying vein at arteriovenous crossings seen ophthalmoscopically in arteriolar sclerosis. Synonym(s): Marcus Gunn sign
Gunn syndrome - Synonym(s): Gunn phenomenon
Marcus Gunn pupil - relative afferent pupillary defect. Synonym(s): Gunn pupil
Marcus Gunn sign - Synonym(s): Gunn sign
Marcus Gunn syndrome - Synonym(s): Gunn phenomenon
Medical Eponyms © Farlex 2012