Vision HealthRisk Factors

6 Things That Raise Your Risk for Cataracts


Who’s affected?

Cigarette smoking


Eye injuries

Sunlight and ionizing radiation



Colin A. McCannel, M.D.

Colin A. McCannel, M.D.

Colin A. McCannel, M.D., F.A.C.S., F.R.C.S.C., is professor of clinical ophthalmology at the Jules Stein Eye Institute, University of California, Los Angeles, and medical director of UCLA’s Stein Eye Center–Santa Monica.

Dr. McCannel specializes in retinal surgery. He received his medical degree from the Mayo Medical School in Rochester, Minnesota. He is a member of the American Society of Retina Surgeons, the Retina Society, the Macula Society, the American Academy of Ophthalmology, California Academy of Eye Physicians and Surgeons, and the American Medical Association. In the past he was a member of the Minnesota Academy of Ophthalmology, where he was also a member of the board of directors and past president.

Dr. McCannel’s clinical interests include surgical and medical diseases of the retina, macula and vitreous, including diabetic retinopathy, macular hole, retinal detachment, complex retinal detachment, epimacular membrane (epiretinal membrane, macular pucker), and age-related macular degeneration. He has lectured worldwide and is a reviewer for several prestigious journals, including the Archives of Ophthalmology, Ophthalmology, and the American Journal of Ophthalmology. He is also a leader in the field of the use of virtual reality simulation technology for ophthalmic surgical teaching.