Dr. Chang is considered an authority in the field of "Refractive Intraocular Lenses (IOLs)" – the artificial lens implants that are designed to lessen dependence on eyeglasses. To help educate patients about this confusing topic, Dr. Chang wrote the scripts and collaborated with Eyemaginations to develop this series of patient educational videos. Called the “Chang IOL Modules”, these videos are now marketed through Eyemaginations and are used by physicians around the country in their offices and on their websites. Dr. Chang donates his royalties to the humanitarian cataract charities – Project Vision and Himalayan Cataract Project.Educational Videos
Within ophthalmology, Dr Chang is widely considered one of the leading cataract surgeons, educators, and clinical investigators in the world. In this capacity, he has often been selected by medical associations to respond to media requests for information.Dr. Chang In the News
Although curable with surgery, cataracts remain the leading cause of blindness in the world, accounting for more than one half of all blindness. Globally, more than 18 million people remain completely blind from cataracts. Being a "household name" in the field of cataract surgery, Dr. Chang has used his international prominence to highlight and advance several important humanitarian cataract efforts. He is on the medical advisory board of both Project Vision (China) and the Himalayan Cataract Project (Asia), and also consults for the Aravind Eye Hospital System in India. He has traveled to many developing countries to perform and teach cataract surgery to local ophthalmologists. He donates his consulting fees and textbook royalties to these organizations, and is establishing two Chang Cataract Training Centers, through the ASCRS Foundation and Project Vision in China.Humanitarian Cataract Surgery
The intraoperative floppy iris syndrome was first reported by Drs. David Chang and John Campbell in 2005. This major discovery showed that the most common prostate medications (such as Flomax) cause iris problems during cataract surgery that can lead to many complications if the surgeon does not anticipate them. Dr. Chang has done extensive clinical research and is considered one of the world authorities on how to avoid and manage these problems.Flomax & Cataract Surgery
David F. Chang, M.D. is widely recognized as one of the top cataract surgeons in the world. He graduated Summa Cum Laude from Harvard College and earned his Medical Degree from Harvard Medical School. He completed his ophthalmology residency at the University of California, San Francisco, where he was promoted to Clinical Professor of Ophthalmology in 1999. He has taught cataract surgery to ophthalmology residents in training for more than 25 years. Dr. Chang is also an Adjunct Clinical Professor of Ophthalmology at the Chinese University in Hong Kong, one of the leading ophthalmology academic centers in Asia.
As one of the most prominent international experts, Dr. Chang regularly lectures on cataract techniques and the newest lens implants to other surgeons in the U.S. and abroad, and has received numerous prestigious national and international awards. In 2009, he received what is considered to be the highest international honor for a cataract surgeon - the Binkhorst Medal from the American Society of Cataract and Refractive Surgery. He has also received the highest honor for cataract surgery from the Asia Pacific Association of Cataract & Refractive Surgery (Lim Medal, 2009), the Canadian Society of Cataract and Refractive Surgery (Award of Excellence 2010), the United Kingdom and Ireland Society of Cataract & Refractive Surgery (Rayner Medal 2010), the Indian Intraocular Implant & Refractive Society (Gold Medal 2003), and the Italian Ophthalmological Society (Strampelli Medal 2007). In 2006, became only the third ophthalmologist to ever receive the Charlotte Baer Award honoring the outstanding clinical faculty member at the UCSF Medical School.
Among Dr. Chang’s other major awards and named lectures are the American Academy of Ophthalmology (AAO) Achievement Award (2002), Senior Achievement Award (2008) and Secretariat Award (2003, 2006, 2007, and 2009). He was the inaugural recipient of the UCSF Department of Ophthalmology’s Distinguished Alumni Award (2005). In addition to those previously mentioned, he has been selected to deliver the following named lectures: Transamerica Lecture (UCSF), Williams Lecture (UCSF), Wolfe Lecture (University of Iowa), DeVoe Lecture (Columbia-Harkness), Gettes Lecture (Wills Eye Hospital), Helen Keller Lecture (University of Alabama), Kayes Lecture (University of Washington, St. Louis), Thorpe Lecture (Pittsburgh Ophthalmology Society), Schutz Lecture (MEETH & New York University Medical Center), Wallace-Evans Lecture (Casey Eye Hospital, Oregon), Kambara Lecture (Loma Linda), Jules Stein Lecture (UCLA-Jules Stein), Proctor Lecture (UCSF/Proctor Foundation), Harold Stein Lecture (Canadian Society of Cataract and Refractive Surgery) and the keynote lectures at the Indian Intraocular Implant & Refractive Society Annual Meeting, Argentinean Society of Ophthalmology Annual Meeting, and the Chinese American Ophthalmological Society’s 20th anniversary meeting.