Practice Logo Visionarium Optometry

Our Practice

Chester Quan, O.D. Optometrist/Owner

Dr. Quan is a graduate of the University of California at Berkeley and the Pennsylvania College of Optometry in Philadelphia. He graduated from optometry school with honors and received an award for clinical excellence. He has been in practice for over twenty eight years. He is certified in ocular disease treatment and management.


Christina Chang, O.D. Associate Optometrist

Dr. Chang obtained her Bachelor degree from the University of California at Berkeley in 1995, and her Doctorate degree from the State University of New York, College of Optometry in 2000. She completed her externship at Northport V.A. Medical Center in Long Island, New York. Dr. Chang was the recipient of the distinguished Wesley-Jessen Contact Lens Award for Clinical Care. Dr. Chang is Board certified in optometry and ocular disease treatment and management.


John Cerbatos, ABOC Manager/Optician

John has been in the optical field since 1988. He was a Clinical Psychology major at SFSU. John is ABO certified and is experienced in frame styling, adjusting, and dispensing. His background in optical ranges from management, Contact Lens fitting, to representing a couple of frame companies in Northern California , and running and working in an optical lab. He is also in charge of the overall appearance and maintenace of the practice.


Tally Sung, Optometric Assistant


Jeannie Chang, Optometric Assistant


Jackie Lopez, Optometric Assistant