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WORK-UP
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Thorough history and slit lamp examination | MRI of the brain may be indicated in atypical cases
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TREATMENT
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Observation | Botox injection into orbicularis muscle | In rare cases, myectomy may be considered.
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FOLLOW-UP
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Frequent follow-up is not necessary unless symptoms greatly worsen | Follow-ups after botox may be every few months
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ADDITIONAL LAB | TESTS
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MRI of the brain may be indicated in atypical cases
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DIFFERENTIAL DX
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Myokymia | Hemifacial spasm
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NOTES
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Blepharospasm is bilateral, as opposed to myokymia which is usually unilateral
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In severe cases, blepharospasm may cause episodes of functional blindness
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