Flashcards in Neurology eye (delta) Deck (68)
Clinical features of NF1
Ophthalmic features; optic nerve glioma, bilateral lisch nodules, plexiform neurofibromas of eyelid
Cause of NF2
Mutation in NF2 gene on chromosome 22
Features of NF2
Bilateral vestibular schwannoma
What is benign essential blepharospasm?
Bilateral idiopathic condition characterized by involuntary contraction of orbicularis oris muscle
Presents in 6th decade
Diagnosis of exclusion
Tx for benign essential blepharospasm
Botulinum toxin injection
What is contained within the cavernous sinus?
ICA and CN6 pass directly through
Lateral walls; CN 3,4 and 5 (V1 and V2)
Clinical features of cavernous sinus syndrome?
Ptosis and ophthalmoplegia: compression of CN 3,4,6
Loss of corneal reflex: CN V1
Maxillary sensory loss
Horner's syndrome; internal carotid ocular sympathetics
Proptosis and periorbital swelling