Cataract / Lens Implant Educational Videos

Cataract / Lens Implant Educational Videos

Dr. Chang is considered an authority in the field of "Refractive Intraocular Lenses (IOLs)". To help educate patients about this topic, Dr. Chang wrote the scripts and collaborated with Eyemaginations to develop a series of patient educational videos. Called the “Chang IOL Modules”, these videos are marketed through Eyemaginations and are used by physicians around the Dr. Chang donates his royalties to the humanitarian cataract charities – Project Vision and Himalayan Cataract Project.

Educational Videos

Dr. Chang In the News

Dr. Chang In the News

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

Humanitarian Cataract Surgery

Humanitarian Cataract Surgery

Although curable with surgery, cataracts remain the leading cause of blindness in the world, accounting for more than one half of all blindness. Dr. Chang has used his international prominence to highlight and advance several important cataract efforts. He has traveled to many developing countries to perform and teach cataract surgery to local ophthalmologists.

Humanitarian Cataract Surgery

Flomax & Cataract Surgery

Flomax & 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

Dr Chang’s Professional Bio

David F. Chang, M.D. is widely considered 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 is currently Clinical Professor of Ophthalmology. 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 academic ophthalmology centers in Asia.

As one of the most prominent internationally 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. That same year, he delivered the Lim Lecture, which is the highest cataract honor from the Asia Pacific Association of Cataract and Refractive Surgery. In 2010, Dr Chang was awarded the Rayner Medal from the United Kingdom & Ireland Society of Cataract and Refractive Surgeons. He was the third recipient of the Strampelli Medal from the Italian Ophthalmological Society (2007) and 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). 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), 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.

Dr. Chang is on the executive committee of the American Society of Cataract & Refractive Surgery (ASCRS), which is the largest international organization for cataract and refractive surgeons, numbering over 9000 members. He formerly chaired the organization’s Cataract Committee and will serve as the ASCRS president in 2012. Since 2005 Dr. Chang has served on a select national panel that issues practice guidelines for cataract surgery that are used worldwide (American Academy of Ophthalmology Preferred Practice Pattern Committee), and assumed the role of chairman in 2009. He was previously chairman for another national advisory panel for the Board Certification Examination in cataract surgery (American Academy of Ophthalmology Practicing Ophthalmologist Curriculum Committee). In 2004 he began a 5-year term as chairman of the Program Committee for the American Academy of Ophthalmology’s Annual Meeting. This is by far the largest ophthalmology meeting in the world.

Dr. Chang has written numerous papers and chapters on cataract surgery, and is the author or editor of four best-selling textbooks on advanced cataract surgical techniques and artificial lens implants. His textbook Mastering Refractive IOLs covers the new lens implants, such as multifocal, accommodating, and toric lenses, and is considered the most comprehensive and authoritative textbook on the subject. He is on the editorial board of numerous ophthalmology journals and served for 5 years as Chief Medical Editor for Cataract & Refractive Surgery Today, one of the most widely read specialty trade journals for cataract surgeons.

Dr. Chang serves on the medical advisory board of two global humanitarian organizations, Himalayan Cataract Project and Project Vision, and is also on the Board of Directors for the Pan American Association of Ophthalmology. Within Project Visio, he co-founded a program to teaching modern cataract techniques to eye surgeons in charity eye hospitals in China and elsewhere in Asia.

Dr. Chang is highly sought after as a consultant for ophthalmic research companies. He has designed a number of popular surgical instruments that bear his name and are used worldwide. As a clinical investigator, Dr. Chang was the first surgeon in the United States to implant the light adjustable artificial lens (2009) and the first dual optic accommodating IOL (2005). He was also the first US surgeon to use the nanotechnology drug delivery system following cataract surgery (2008) and the second to use the LensAR femtosecond laser for cataract surgery (2009). Dr. Chang also achieved several local firsts in cataract surgery. He was the first surgeon in the Bay Area to implant a toric lens for astigmatism, and the first in Northern California to implant a multifocal lens, the implantable miniature telescope, and the artificial iris implant. Dr. Chang is in the current national edition of Best Doctors in America, and is listed in the current “Best Doctors” surveys in Bay Area Consumers Checkbook, San Francisco Magazine, and San Jose Magazine. He has maintained his private practice in Los Altos since 1984, and developed and built the Peninsula Eye Surgery Center, which opened in 2005. He limits his practice to cataract and intraocular lens implant surgery.

David F. Chang, MD is a Summa Cum Laude graduate of Harvard College and earned his M.D. at Harvard Medical School. He completed his ophthalmology residency at the University of California, San Francisco (UCSF) where he is now a clinical professor. Dr. Chang is serving a 5-year term as chairman of the American Academy of Ophthalmology (AAO) Annual Meeting Program Committee, having previously chaired the Cataract Program Sub-committee.

Dr. Chang's CV

Learn about Dr. Chang’s colaboration with Eyemaginations’ development of 3D eye animations


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The material contained on this site is for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health care provider.
By David F. Chang.