40
Participants
Start Date
September 30, 2012
Primary Completion Date
October 31, 2014
Study Completion Date
October 31, 2014
Subcutaneous injection of botulinum toxin type A
Subcutaneous injection of botulinum toxin type A (2.5 units per application point) at two points in a nasal and temporal extent of the orbicularis muscle will be performed in the Botulinum toxin type A group.
Botulinum Toxin Type A
2.5 units per point of application at two points in a nasal and temporal extent of the orbicularis muscle.
Federal University of São Paulo, Department of Ophthalmology, São Paulo
Federal University of São Paulo
OTHER