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. Dr. Chang completed his ophthalmology residency at the University of California, San Francisco, where he advanced to the rank of Clinical Professor of Ophthalmology in 1999. He has taught cataract surgery to ophthalmology residents in training for more than 30 years. In 2006, Dr. Chang became only the third ophthalmologist to ever receive the Charlotte Baer Award honoring the outstanding clinical faculty member at the UCSF Medical School.
As an internationally recognized cataract expert, Dr. Chang regularly lectures on cataract surgery to other surgeons in the U.S. and abroad. Dr. Chang has received the highest international awards for cataract surgery from the American Academy of Ophthalmology (Kelman Medal Lecture), the American Society of Cataract and Refractive Surgery (Binkhorst Medal), the Asia Pacific Association of Cataract & Refractive Surgery (Lim Medal), the Canadian Society of Cataract and Refractive Surgery (Award of Excellence), the United Kingdom and Ireland Society of Cataract & Refractive Surgery (Rayner Medal), the International Intraocular Implant Club (IIIC Medal), the All India Ophthalmology Society (President’s Lecture), the Indian Intraocular Implant & Refractive Society (Gold Medal), the Italian Ophthalmological Society (Strampelli Medal), the Royal Australia and New Zealand College of Ophthalmologists (Gregg Medal), American-European Congress of Ophthalmic Surgery (Visionary Award), International Society of Refractive Surgery (Presidential Recognition Award), DOC-German Ophthalmic Surgeons (DOC Innovator Lecture), and the Asia-Pacific Academy of Ophthalmology (Jose Rizal International Medal). Including these, Dr. Chang has delivered a total of 40 named lectures.
Having served as president in 2012, Dr. Chang is on the executive board of the American Society of Cataract & Refractive Surgery (ASCRS), the largest international organization for cataract and refractive surgeons with over 9000 members. He chaired the American Academy of Ophthalmology Cataract Preferred Practice Pattern Committee. This select national committee writes the clinical guidelines for cataract surgery that are used in the US and in many foreign countries. Dr. Chang is also a leading expert in global cataract blindness, serving on the medical advisory board of several humanitarian organizations and as co-chair of the ASCRS Foundation.
Dr. Chang has authored 5 best-selling textbooks on cataract surgical techniques for ophthalmologists. Mastering Refractive IOLs covers advanced lens implants and is considered the most comprehensive textbook on the subject. He has served as Chief Medical Editor of EyeWorld, a leading trade journal which has a global circulation of more than 30,000 ophthalmologists. Dr. Chang has designed a number of popular cataract 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 and the Synchrony accommodating lens implant and the first to use the Zepto automated capsulotomy device. He was the first to use the Dexycu sustained release steroid. Dr. Chang was also the first surgeon in Northern California to implant a multifocal lens and the Symfony extended focus lens.
Dr. Chang has been regularly voted by his peers into the national edition of Best Doctors in America and is listed by Beckers Review as one of the top 39 ophthalmologists in the United States. In both the 2014 and 2018 surveys, he was voted the 5th most influential ophthalmologist in the world by the international readership of The Ophthalmologist. He has maintained his private practice in Los Altos since 1984 and developed and founded the Peninsula Eye Surgery Center, which opened in 2005. He limits his practice to cataract and intraocular lens implant surgery.