Congenital trochlear nerve palsy
Synonyms: Congenital CNIV palsy | Congenital fourth cranial nerve palsy | Congenital superior oblique palsy
A rare ophthalmic disorder with cranial nerve involvement characterized by dysfunction of the superior oblique muscle with typical eye motility patterns including elevation in adduction V-pattern related to reduced abduction force in downgaze with unopposed adduction by the inferior rectus muscle and excyclotorsion. Patients may present with contralateral head tilt to compensate for vertical binocular misalignment and diplopia.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version March 2024
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Congenital trochlear nerve palsy?
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