When your cataract is removed, a new lens implant is inserted to replace it. There are many different types of intraocular lens implants (IOLs) to choose from. Lens replacement options fall into three categories:
Single-focus Lenses give you sharp vision at a single fixed point, usually distance. Aspheric lenses, such as the Tecnis IOL, fall into this category, and improve night vision. These lenses are a great choice for those who do a lot of night-time driving.
Astigmatism-correcting Lenses have astigmatism correction built into the lens, to give you crisp distance vision. These lenses are ideal for anyone who suffers with astigmatism.
Multiple-focus Lenses, provide clear vision at several distances, near through far, giving you a fuller range of vision. Lenses such as ReSTOR, Crystalens and Tecnis Multifocal fall into this category. These lenses are ideal for those who would like to spend most of their day glasses free.