What are Toric Lenses and Who Needs Them After Cataract Surgery? A Toric lens is a specially designed intraocular lens (IOL) used to correct astigmatism—a common vision problem caused by an irregularly shaped cornea or lens that leads to blurred or distorted vision. Watch this video featuring Dr. Sushma Tejwani, HOD (Glaucoma Services) and Consultant, Glaucoma & Cataract Services, and Medical Superintendent, Narayana Nethralaya, Bangalore, as she explains what Toric Lenses are and when they are