midbrain gaze palsy

FREE subscriptions for doctors and students... click here
You have 3 more open access pages.

Lesions around the aqueduct at the superior collicular level of the midbrain cause a voluntary and reflex paralysis of vertical gaze in that direction.

This is because this area controls the conjugation of the two eyes in the vertical plane, as well as convergence movements.

Last reviewed 01/2018