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The characteristic features of eyelid myoclonias, induced by slow eye closure and by bright light, means that this syndrome is usually easy to distinguish from other conditions.

Differential diagnoses include:

  • Tic disorder e.g. ocular tics
  • Photic-induction of absence or myoclonic seizures can occur in other syndromes and etiologies, but eyelid myoclonia is not seen
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