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