He has a down and out pupil caused by CN III palsy. His gaze is due to opposed action of the lateral rectus and superior oblique; ptosis due to denervation of levator palpebrae superious.
The only injury listed that could cause a CN III palsy is aneurysm of the PCA compressing the occulomotor nucleus.
submitted by โergogenic22(401)
He has a down and out pupil, caused by CN III palsy. His gaze is due to unopposed action of the lateral rectus and superior oblique; ptosis due to denervation of levator palpebrae superiosis.
The only injury listed that could cause a CN III palsy is aneurysm of the PCA compressing the ocularmotor nucleus.