Dermal Fillers

Nanze Yu, is an associate professor at the department of plastic surgery, Peking Union Medical College Hospital, China. He received his M.D. degree at Peking Union Medical College, and did his postdoctoral training at Harvard Medical School. His research interest pertains to cosmetic, reconstructive surgery, facial rejuvenation, and blepharoplasty.

Sandy X. Zhang-Nunes, MD is the director of Oculofacial Plastic Surgery at the USC Roski Eye Institute and an Associate Professor of Clinical Ophthalmology. She earned her undergraduate degrees at MIT and her medical degree at Johns Hopkins University. She then completed her ophthalmology residency at UCLA as well as a prestigious two-year ASOPRS fellowship in Columbus, OH. She enjoys functional and aesthetic oculoplastic surgery, such as orbital decompressions, endoscopic forehead lifting, as well as laser and light therapy, neuromodulators, and facial volumization treatments. She is the founder of The Cutting Edge: Oculofacial Plastic Surgery Surgical Skills Course, and is known for her research in dissolution of the various fillers to improve the safety of aesthetic treatments, as well as periocular laser and light treatments for ocular rosacea and dry eye. She also researches the applications of other technologies such as ultrasound as well as surgical outcomes and racial factors.

Preeya Mehta is currently a medical student at the University of Southern California. She completed her undergraduate degree at UCLA and is completing her medical school at the Keck School of Medicine of USC. She completed a dedicated one-year research fellowship under Dr. Zhang-Nunes during which she evaluated the reversibility of various dermal fillers, discussed the ischemic and non-ischemic complications of dermal fillers, evaluated the relationship between different factors and clinically significant eyelid edema, and studied the reliability and viability of ultrasound to evaluate eyelid structures. She will be completing her medical school this May and starting her residency in Ophthalmology at NYU Langone Health.

Mengling Chang, female, Ph.D., plastic surgeon, graduated from Shanghai Jiao tong University in 2018, studied under the guidance of famous plastic expert Ouyang Tianxiang and burn plastic expert Professor Huan Jingning, doctoral co training tutor, researcher Hu Junhao of "thousands of young people" of the Chinese Academy of Sciences, and currently works in the team of famous plastic expert Professor Yang Jun. She is mainly engaged in the research and clinical work of eye plastic surgery, scar comprehensive treatment, common body surface tumors and nevus. She has published more than 10 SCI papers and several Chinese core journals, including 7 SCI papers by the first author and co-first author, and participated in 7 national scientific research projects, Among them, the person in charge has presided over one youth project of National Natural Science Foundation of China (81900805842020-2022) and one talent project of Shanghai "sailing plan" (19YF1430500, 2019-2022). She has worked in our institute since January 2021.