Can ptosis incidence be reduced after lid injections of botulinum A exotoxin for blepharospasm and hemifacial spasm?

MeSH terms

• Blepharoptosis / prevention & control*
• Blepharospasm / drug therapy*
• Botulinum Toxins / administration & dosage
• Botulinum Toxins / therapeutic use*
• Eyelids / drug effects*
• Facial Muscles*
• Humans
• Incidence
• Injections / methods
• Spasm / drug therapy*