Discover the cause of a unique pupillary exam finding in a patient with a midbrain lesion, Diplopia, and headache. Learn about this key neurological sign.
A 37-year-old man presented to the neurosurgery clinic with blurry vision, headache, and difficulty looking upward. On exam, he had diplopia, upward gaze palsy, and vertical misalignment of the eyes. His pupils only minimally constricted to light but constricted to near objects. What is the name of this pupillary exam finding?
What is the most likely diagnosis?
Dorsal Midbrain Syndrome, Germinoma, Light-near dissociation, Parinaud Syndrome, Pupillary Reflex
