Cataract Surgery with Standard, Premium Multifocal and Presbyopia Correcting Intraocular Implants (IOLs)

Cataract surgery is performed with an operation called Phacoemulsification (Phaco). This is an ultrasonic device which is usually performed under topical eye drop anesthesia. Via a microscopic incision a ultrasonic probe is inserted into the eye which breaks up, or emulsifies, the cloudy lens into tiny pieces and gently aspirates, those pieces out of the eye. Phaco surgery requires a small incision of only 3.2 milimeters or less. After the cloudy lens has been removed, an artificial lens is typically folded into the eye. This is called an intraocular implant (IOL) and serves to re-establish the optical properties of the cataract lens that was removed.

Premium Implants

Until recently, only standard IOLs were only available to correct vision. Standard IOLs by design can coreect for only one ditance of view. With standard IOLs patients need glasses or contact lenses for near vision activities like reading and playing cards . Advancements in technology have produced premium "delete bifocal" IOL designs that could allow patients to see clearly at almost all distances. Premium multifocal IOLs such as ReSTROR®, ReZoom™ and presbyopia correcting IOLs like Crystalens™ are designed not only for distance vision correction but for correction for reading vision. Cataract surgery patients and patients seeking treatment for reading vision ccould potentially enjoy clear sight for most activities without relying on glasses.

If you have been diagnosed as having cataracts and are experiencing one or more of the following vision problems, you may be a candidate for multifocal IOL:

• Difficulty reading
• Difficulty seeing close objects
• Difficulty driving, especially at night
• Frequent changes in glasses prescription
• Need for bifocals

ReSTOR® Lens

ReSTOR® Lens	For years, patients who underwent cataract surgery had to wear glasses or contact lenses afterwards to see clearly. The newly developed ReSTOR® lens has overcome this problem, allowing patients to see better than ever before -- without the help of corrective eyewear. Using apodization, diffraction and refraction technologies, the ReSTOR lens improves upon ordinary replacement lenses (IOLs) by providing comprehensive focusing capabilities so patients can see clearly in a range of lighting conditions and at all distances -- at noon or midnight, nearby or far away, and many distances in between. Up to 80% of patients who use the ReSTOR® lens don't need to rely on glasses or contact lenses after surgery.
The ReZoom multifocal IOL The ReZoom™ multifocal IOL helps patients focus clearly on bjects at a range of distances and in varied light conditions. Featuring a patented lens design called Balanced View Optics™ Technology, the ReZoom lens has five spherical segments with smooth transitions in between so the eyes focus seamlessly from one distance to the next. The center of the lens is optimized for bright light and distance vision, while the fourth zone supports near-vision in a variety of light conditions, and the outermost zone accommodates for low-light distance vision (such as when driving at night). The ReZoom is also specially designed to reduce internal reflections and minimize glare.
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Crystalens™	Crystalens™ is a new replacement lens (IOL) that works naturally with muscles in the eye to retain the eye's ability to "accommodate" -- to shift focus between nearby and distant objects. With older IOLs, patients lose this ability and require corrective eyewear to see clearly at near and intermediate distances. Unlike rigid lenses, the flexible silicone Crystalens features innovative hinges that allow it to move with the eye's muscles and accommodate seamlessly, thereby reducing or eliminating the need for vision correction. The Crystalens is implanted using the same, nearly risk-free cataract surgery techniques as with other IOLs.

Clear Lens Extraction

The natural lens of the eye serves to focus images. It has a power that affects the prescription we need to focus on images. There are circumstances where the overall correction of your eye cannot be corrected with laser vision correction (LV). It is possible to remove the clear lens and replace it with an implant in order to bring your correction to a lower range. This surgery can be performed in conjunction with a standard or a premium bifocal implant.