Dr. Armstrong is an honors graduate of Boston College and Thomas Jefferson University of Medicine. She completed her internship at Albert Einstein Medical Center and her residency at Wills Eye Hospital. She completed a fellowship in neuro-ophthalmology, oculoplastics, orbital, and reconstructive surgery at University of Texas Southwestern Medical Center. Prior to returning to Philadelphia, she served as the Director of Ophthalmic Plastic, Reconstructive, and Orbital Surgery at Boston University.

Dr. Armstrong has authored numerous publications and book chapters and has been an invited speaker at several meetings. She has a special interest in eyelid reconstruction and cosmetic surgical and nonsurgical treatments of the face and peri-ocular region.