Neuro-ophthalmology

Blepharospasm

Differentiate essential blepharospasm with secondary blepharospasm due to

  • Blepharitis
  • Trichiasis
  • Dry eyes
  • Chronic lid or ocular surface disease
  • Glaucoma
  • Uveitis

Causes of apraxia of eyelid opening

  • Parkinson’s
  • Progressive supranuclear palsy (secondary parkinsonism syndromes)
  • Huntington's disease

Benign essential blepharospasm

Clinical features

Previous
Myopathies