Types of Lenses Used in Cataract Surgery – Know Your Options! During cataract surgery, the cloudy natural lens is replaced with an Intraocular Lens (IOL). But did you know there are different types of lenses to choose from based on your vision needs? 🔹 Monofocal IOL – Corrects vision at one distance (usually for far vision). Reading glasses may still be needed. 🔹 Multifocal IOL – Designed to provide both near and distance vision—reduces dependency on glasses. 🔹 Toric IOL – Best for people wit