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
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Robert Marcus Gunn
Robert Marcus Gunn (1850-1909) was a Scottish Ophthalmologist. Marcus Gunn pupillary phenomenon (1902), aka relative afferent pupillary defect or RAPD
a diligent driver…
The Case. A 25 year old registered nurse presents to her GP with a 6 day history of abnormal vision, which she noticed whilst checking her blind-spot when driving. This has been accompanied by painful extraocular movements & the sensation…