Eligible patients will receive Dysport® (25 units) divided among 4 injection points (0.05 mL [6.25 units] per injection point) in the lateral orbital rhytid on one side and Botox® Cosmetic (10 units) divided among 4 injection points (0.05mL [2.5 units]) in the lateral orbital rhytid region on the contralateral side on Day 0 of the study.