An intraocular lens (IOL) is an artificial lens that is used to replace the natural lens in the eye during cataract surgery. It comes in different focusing powers, just like eyeglasses or contact lenses. To learn more about IOLs, join Dr. Sanjay Kalra and Dr. Sumeet Khanduja at 7:00 p.m. today at Dr. KK's MEDtalks. Click on the link to join.