See Also: Marcus Gunn's sign(medicine)
Gunn, Robert Marcus(medicine)
Marcus Gunn syndrome(medicine)
Marcus Gunn phenomenon(medicine)
Marcus Gunn pupil(medicine)
Gunn's sign(medicine)
Gunn's crossing sign(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Gunn(dictionary)
Gunn's syndrome(medicine)

Marcus Gunn's sign (medicine)


Marcus Gunn's sign -->
Gunn's sign
<clinical sign> Compression of the underlying vein at arteriovenous crossings seen ophthalmoscopically in arteriolar sclerosis, on alternate stimulation with light, the pupil of an eye with optic nerve transmission defect constricts poorly or even dilates when stimulated (a relative afferent pupillary defect).

Synonym: Marcus Gunn's sign.