What is the role of prismatic lenses in the management of Parkinson-plus syndromes?

Updated: Sep 24, 2018
  • Author: Stephen M Bloomfield, MD; Chief Editor: Selim R Benbadis, MD  more...
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Some patients with PSP may benefit from prismatic lenses that compensate to some extent for the vertical gaze problems. Blepharospasm, facial dystonia, and apraxia of eyelid opening may respond to botulinum toxin injections.

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