When Alexandra Kostick, MD, began her residency some 25 years ago, a neurotoxic protein called botulinum toxin was being used by ophthalmologists primarily as a treatment for eyelid and hemifacial spasms, which are spasms on one side of the face. By the time Dr. Kostick completed her residency, botulinum toxin, sold as BOTOX®, was also being used in a […]