Understanding IOL Technology
Like the lens of a camera, the eye’s natural lens can change its focus and allow us to see objects up close—a process called “accommodation.” During cataract surgery, the natural lens is replaced by an artificial lens, and traditionally these artificial IOLs have been limited to allowing clear vision at only one distance. This technology is known as a non-accommodating “monofocal” IOL.
With the latest advances, having clear vision at only one distance is no longer the only option. Presbyopic IOL technology can not only correct impaired distance vision, but also maintain the eye’s focusing power for reading and computer work.
Not every patient is a good candidate for the presbyopic intraocular lenses.
Your physician will discuss with you the appropriateness of these based on your individual visual needs and on your eye examination. These lenses are not covered by medical insurance.
Multifocal IOLs are typically made up of concentric circles that allow for multiple points of focus at distance, intermediate, and near. As with standard IOLs, a multifocal IOL also replaces the natural lens or cataract. The difference is that the multifocal design provides patients with the ability to see images clearly at a number of distances—not just one, as with a standard IOL. For the vast majority of patients, having a multifocal lens implant means that you will be able to see at distance, up close, and everywhere in between, without being dependent on glasses. Patients choosing to have a multifocal lens implant will likely find that they can drive, watch television, read, or do crafts without the need for glasses.
Below are the types of multifocal IOLs currently approved by the FDA:
Your surgeons will discuss which is likely to best suit your individual needs and provide you the most personalized correction of your vision.
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