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. Accommodating IOLs are also designed to provide a continuous range of vision for distance, intermediate, and near, eliminating or reducing patients’ dependence on reading glasses or bifocals.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.
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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.
New technology is now producing premium intraocular lenses which use a method called 'accommodation' to give sharper vision at a range of distances. Currently the only FDA approved accommodating lens is Crystalens, made by Bausch and Lomb.
This lens is termed an accommodating lens because it changes its position with the action of the eye muscles to give sharp vision at different distance ranges, much like the eye's natural lens would.