Benign episodic unilateral mydriasis (BEUM)
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Benign episodic unilateral mydriasis (BEUM). This usually affects young females. It may rarely occur in children. Fully referenced neurology checklist.
Epidemiological features
- This usually affects young females
- It may rarely occur in children
- It is seen most often in people with migraine
Possible mechanisms
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Clinical features
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Possible associated features
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Differential diagnosis: migraine: types
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Differential diagnosis: others
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Investigations
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Acronym
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References
- Yeo DCM, Wijetilleka S, Sharma B, Watts G, Goyal R. Benign episodic unilateral mydriasis in children: presentation and features in 2 young siblings. Can J Ophthalmol 2018; 53:e255-e256.
- Balaguer-Santamaria JA, Escofet-Soteras C, Chumbe-Soto G, Escribano-Subias J. Episodic benign unilateral mydriasis. Clinical case in a girl. Rev Neurol 2000; 31:743-745.
- Jacobson DM. Benign episodic unilateral mydriasis. Clinical characteristics. Ophthalmology 1995; 102:1623-1627.
- Martín-Santana I, González-Hernández A, Tandón-Cárdenes L, López-Méndez P. Benign episodic mydriasis. Experience in a specialist neuro-ophthalmology clinic of a tertiary hospital. Neurologia 2015; 30:290-294.
- Manai R, Timsit S, Rancurel G. Unilateral benign episodic mydriasis. Rev Neurol (Paris) 1995; 151:344-346.
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