Understanding Your Lens Options After Cataract Surgery Ready to see clearly again? When you get cataract surgery, the new lens, or IOL, is used to replace your eye lens which had cataract. IOLs come in different types to meet different needs. In this video Dr. Harsha Nagaraj, Medical Superintendent & Consultant, Cornea, Cataract & Refractive Services, Narayana Nethralaya, explains about the various types of IOLs and their uses. • If you value clarity at a distance (and don't mind glasses for rea