Ocular neuromyotonia
Evidence-based neurology checklist on ocular neuromyotonia: Clinical features This is recurrent spontaneous spasms of the extraocular muscles The episodes cause tonic deviation of the eyes They may occur bilaterally They last seconds to minutes They recur every 10-40 minutes throughout the day…
Clinical features
- This is recurrent spontaneous spasms of the extraocular muscles
- The episodes cause tonic deviation of the eyes
- They may occur bilaterally
- They last seconds to minutes
- They recur every 10-40 minutes throughout the day
- They result in intermittent or paroxysmal gaze-evoked diplopia
- They may be associated with internuclear ophthalmoplegia (INO)
- They may also cause spastic eye closure
Causes
Triggers
Differential diagnosis
Investigation
Treatment
References
- Gold DR. Teaching NeuroImages: Ocular neuromyotonia. An underrecognized cause of transient diplopia. Neurology 2016; 86:e249.
- Kuroda M, Isozaki E, Matsubara S, Yoshida H, Hayashi H. Case of ocular neuromyotonia with transient and gaze-induced diplopia. Rinsho Shinkeigaku 2007; 47:344-347.
- Ezra E, Spalton D, Sanders MD, Graham EM, Plant GT. Ocular neuromyotonia. Br J Ophthalmol 1996; 80:350-355.
- Roper-Hall G, Chung SM, Cruz OA. Ocular neuromyotonia: differential diagnosis and treatment. Strabismus 2013; 21:131-136.
- Soares-Dos-Reis R, Martins AI, Brás A, Matos A, Bento C, Lemos J. Ocular neuromyotonia. Pract Neurol 2018; 18:389-390.
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