Richard L. Anderson, MD

Botulinum toxin type A effect is usually seen 2 to 3 days following injection, with maximal effect at approximately 2 weeks. Touch-ups are not recommended until 2 weeks have passed.

In the past decade, improved understanding of midface position and its relationship with the lower eyelid has changed not only our approach to cosmetic surgery, but also our approach toward lower eyelid malpositions.