<unk>  is an inability to move the eyes up and down. It is caused by compression of the vertical gaze center at the rostral interstitial nucleus of medial longitudinal fasciculus (riMLF). The eyes lose the ability to move upward and down. It is a group of abnormalities of eye movement and pupil dysfunction. It is caused by lesions of the upper brain stem and is named for Henri<unk>  (1844–1905), considered to be the father of French ophthalmology.
Parinaud's syndrome
Weaver syndrome
Frey's syndrome
Fountain syndrome
Bell's palsy
Seaver Cassidy syndrome
Horner's syndrome
Renpenning's syndrome