He graduated with honors from the California Institute of Technology and then received his medical and ophthalmology training from two of the top programs in the Southeast: Duke University, where he performed groundbreaking laser vision correction research; and Emory University, where he earned the position of Chief Resident in Ophthalmology.
Dr. Chang was then invited to the prestigious cornea and refractive surgery fellowship at Minnesota Eye Consultants, where he was trained on state-of-the-art vision correcting techniques. Dr. Chang has performed thousands of successful LASIK, PRK, and cataract procedures.
He has served as a principal investigator on numerous US FDA clinical trials, including several that have brought advanced vision-correcting lens implants to market. He has authored dozens of articles and publications on refractive surgery and advanced intraocular lenses.
He regularly lectures at eye meetings from the local through the international level. Additionally, he trains and advises other surgeons and physicians on vision correcting surgery techniques.
Dr. Chang is president and founding member of the Advanced Center for Eyecare, a non-profit clinic that provides medical and surgical eye care to the uninsured and underinsured people of Kern County.
Nationally, he serves on the Refractive Surgery Clinical Committee of the American Society of Cataract and Refractive Surgery (ASCRS) and on the Special Projects Committee of the American Academy of Ophthalmology (AAO).