Multifocal IOLs

When cataracts are removed the natural lens of the eye is replaced with an artificial intraocular lens (IOL). Ideally a multifocal IOL allows cataract patients to have good distance vision and read without the aid of glasses. A recent study compared multifocal IOLs for reading in different lighting conditions. Three IOLs, the SA40N and the Tecnis ZM001, both made by Advanced Medical Optics (AMO),