This study will examine the perception of facial expressions among individuals with and without crow's feet lines.
Study Type
OBSERVATIONAL
Enrollment
393
Photographic review of subjects who received treatment with onabotulinumtoxinA for crow's feet lines.
Unnamed facility
Saratoga Springs, New York, United States
Independant Observers' Perception of Expressed Emotions on a 7-Point Scale
Time frame: Day 1
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