Cataract surgery involves removing the eye’s clouded natural lens and replacing it with a clear artificial lens known as an intraocular lens (IOL) to restore. Toric IOLs are single-focus lenses designed to eliminate cataracts and correct astigmatism as well. They are usually recommended for people with moderate to pre-existing high corneal astigmatism, which is nothing but the cylinde... https://www.narayananethralaya.org/artificial-lens-options-for-cataract-surgery/