Marcus Gunn Pupil
A pupil that responds by constricting more to an indirect than to a direct light, seen with unilateral optic nerve or retinal disease
Tag Gunn’s dots
Robert Marcus Gunn
Robert Marcus Gunn (1850-1909) was a Scottish Ophthalmologist. Marcus Gunn pupillary phenomenon (1902), aka relative afferent pupillary defect or RAPD