Marcus Gunn Pupil Flashcards
1
Q
What is a Marcus Gunn Pupil?
A
A Marcus Gunn pupil is an afferent pupillary defect due to optic nerve damage or severe retinal injury.
2
Q
How do you test for a Marcus Gunn Pupil?
A
Swinging Flashlight test
3
Q
What is seen on the swinging flashlight test?
A
There is decreased bilateral pupillary constriction when light is shown into the affected eye relative to the the unaffected eye.
