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

Ophthalmologist Information


American Academy of Ophthalmology ONE network - Chang video

Tamsulosin-intraoperative floppy iris syndrome link is urged to be considered by primary care physicians (Ophthalmology Times, August 2009)

Does Flomax Deserve a "Black Box" Warning?(Ophthalmology Management, August 2009)

Tamsulosin use linked with postop cataract surgery complications (Ocular Surgery News, July 2009)

IFIS ... in general medical journals (EyeWorld, July 2009)

Why BPH treatment can complicate cataract surgery (EyeWorld, July 2009)

ASCRS & AAO seeking to better educate prescribing physicians about IFIS (EyeWorld, July 2009)

AAO, ASCRS update advisory urging patients to disclose tamsulosin use (Ocular Surgery News, June 2009)

ASCRS IFIS white paper provides most recent information (EyeWorld, December 2008)

Severity determines intraoperative floppy iris syndrome management approach (Ophthalmology Times,November 2008)

Anticipate silodosin-IFIS link, surgeon says (Ophthalmology Times,November 2008)

Alpha-blocker, iris syndrome link still a concern (Ophthalmology Times, September 2008)

Consider cataract effects before prescribing alpha blockers (Ophthalmology Times, August 2008)

ASCRS survey shows that IFIS is still a surgical challengeworld.org/article.php (EyeWorld, July 2008)

ASCRS survey results prompt IFIS education campaign (Ocular Surgery News, July 2008)

ASCRS survey details risks of alpha-blockers, IFIS (Ocular Surgery News, July 2008)

Numerous strategies may be needed to control IFIS (Ophthalmology Times, June 2008)

Arsenal of strategies enables safe surgery in IFIS eyes
(Ophthalmology Times, April 2008)

State of the art: Intraoperative floppy iris syndrome (Ocular Surgery News, March 2008)

Pearls for managing IFIS (EyeWorld Supplement September 2007)

Benedetto Strampeli Medal Lecture: Proper planning, precautions allow safe cataract surgery in IFIS case (Ocular Surgery News, May 2007)

Range of severity of IFIS requires varied management strategies (Ocular Surgery News, March 2007)

Alternative strategies successful in managing IFIS (Ophthalmology Times, February 2007)

Range of severity of IFIS requires varied management strategies (Ocular Surgery News, January 2007)

Groups issue advisory about alpha-blockers, iris syndrome (Urology Times, October 2006)

Associations advise cataract patients on risks of alpha-blockers
(Ophthalmology Times, September 2006)

Two Studies Link Flomax to IFIS (Ophthalmology Management, July 2005)

Intraoperative Floppy Iris Syndrome

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.