Not too long ago, the only lens option you had available was a standard lens that provided good vision either far away or up close, but not both, and you would still have to wear glasses after surgery. We now have lens options that give you distance and near vision, as well as intermediate vision for the computer, all in one lens. These lenses, called multifocal IOLs, may eliminate your need for glasses after surgery.
There are two main types of multifocal IOLs that our surgeons utilize. The AcrySof ReSTOR® lens uses apodized diffractive technology that lets cataract patients see distance and near targets with great results. It also provides great intermediate (computer) vision. TECNIS® Multifocal Lens is another type of multifocal, implantable lens. It is based on a principle of diffraction, featuring diffractive rings on its back surface, which help provide excellent distance and near vision.
Finally, the CrystaLens® implant, is an accommodative IOL, that adjusts its position within the eye as the eye focuses from near to far objects. The lens is powered by the same eye muscles that focus the eye’s own natural lens. Most people with the CrystaLens® have clear distance vision and intermediate (computer) vision, without the need for glasses. A large percentage of people can also read without glasses. However, some people do need glasses for fine print, especially in dim light.
Toric intraocular lenses are specially designed for patients with astigmatism. Traditionally, surgical correction of astigmatism required making a series of small incisions (called LRIs) around the cornea to make it more spherical instead of football-shaped. Implanting toric IOLs improves vision due to astigmatism without the need for these extra incisions and also allows patients to enjoy a faster, more comfortable recovery.
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