Dr. John Chang was trained in Ophthalmology at Jules Stein Eye Institute UCLA and did a fellowship at UCSF. He is the President-Elect for the International Society of Refractive Surgery and will serve as President from 2017-2018. Dr. Chang is a past President of the Hong Kong Association of Private Eye Surgeons. He is Honorary Associate Professor of the University of Hong Kong and the Chinese University of Hong Kong.
Dr. Chang is presently the Director of the Guy Hugh Chan Refractive Surgery Centre of Hong Kong Sanatorium & Hospital and has been interested in Cataract and Refractive Surgery for many years. He is Clinical Instructor for many refractive intraocular lenses and surgeries including LASIK, Intra Corneal ring, Conductive Keratoplasty and Phakic Intraocular Lens.
He is on the Executive Committee of the Asia Pacific Association of Cataract and Refractive Surgeons (APACRS). He is also on the Editorial Board of Cataract & Refractive Surgery Today, EyeWorld (Asia Edition), and Ocular Surgery News (APAO Edition), and is the Chief Editor of EuroTimes (China Edition).
Dr. Chang has been awarded the Certified Educator Award by the APACRS, Distinguished Service Award and Achievement Award by the Asia Pacific Academy of Ophthalmology, and Achievement Award by the American Academy of Ophthalmology (AAO). He is also active in research, publishing, and traveling abroad to give lectures as an invited speaker in order to share his knowledge and findings.