2023 Thomas J. “Tommy” Pham GPLI-NKCF Keratoconus Practitioner of the Year

Presented to Dr. Clark Chang

“For exceptional expertise in keratoconus education and management.”

About the Recipient


Dr. Chang is director of cornea specialty lenses at Wills Eye Hospital, Philadelphia. He is also adjunct faculty at Pennsylvania College of Optometry – Salus University. After finishing his residency, he completed an additional clinical fellowship training in cornea and contact lenses. Dr. Chang has also been a subinvestigator in numerous cross-linking clinical trials and has published extensively on keratoconus treatments with both surgical innovations and advancing contact lens technologies. He is also an executive board member of the International Keratoconus Academy of Eye Care Professionals and the Optometric Cornea Cataract and Refractive Society.

Clark Y. Chang, OD, MSA, MSc, FAAO, FSLS
Wills Eye Hospital
840 Walnut Street, Suie 920
Philadelphia, PA 19107

Previous Recipients of the Award

2023 – Clark Y. Chang, OD, MSA, MSc, FAAO, FSLS

2022 – S. Barry Eiden, OD, FAAO, FSLS