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What's New
Eye Centers Welcomes Dr. Min Ren  ...more

Technology

Laser Vision Correction

Wavefront Technology using the VISX STAR4 Wavescan captures unique imperfections in each individual's vision that could not have been measured before using standard methods for glasses and contact lenses.

Your eye is as individual as your fingerprint, with its own special shape and complex characteristics. Wavefront measurement provides 25-times more precision than standard measurements for glasses and contact lenses. Wavefront technology provides a custom tailored laser eye surgery for the unique characteristics of each individual's vision. The wavefront digital information is transferred to the laser, providing the highest level of precision and accuracy available for Personlized Laser Vision Correction.

VISX CustomVue Lasik Laser Eye Surgery involves tailoring the excimer laser treatment to very small visual irregularities. These are called higher order aberrations that are specific to each person. Custom Wavefront Lasik technology utilizes information from corneal topography maps, and from an instrument called an aberometer (also called a wavefront analyzer) to provide a personalized treatment for your eyes.

CustomVue Wavefront Lasik Laser Eye Surgery will correct your prescription and will also correct the very small optical irregularities that are found not only on the cornea, but also throughout the entire eye. These advances in technology mean that every patient can be treated as a special case. The new VISX CustomVue Wavefront Lasik Laser Eye Surgery technology will generate a new algorithm and Wavefront pattern for every person.

Although the resolution limits of the human retina allow for vision of approximately 20/8, very few, if any individuals approach this limit. A person with 20/25 vision, has good vision by today's standards. One of several factors that keep us from obtaining vision closer to this retinal limit is the eye's higher-order aberrations. The theory holds that if these irregularities could also be corrected, then possibly we can attain a better visual result through LASIK laser eye surgery.
The VISX Star 4 offers variable spot beam technology - it adjusts the laser beam size according to the treatment, minimizing corneal tissue removal. This also allows for quicker treatment times that are typically between 10 to 40 seconds.


It also provides a larger treatment, or ablation, zone. Variable Spot Scanning technology adds a blend zone that allows the treatment on the cornea to be extended to 8 mm which may help reduce the risk of night vision symptoms such as glare and haloes.

Another benefit is 3-D active eye tracking - something that is only available on the Visx Star S4. Active eye tracking allows the LASIK surgeon to place the laser treatment on the cornea with perfect accuracy despite eye movement during the procedure.

The VISX removes the least amount of corneal tissue of any laser available, making it the laser of choice for LASIK laser eye surgery patients with thinner corneas who do not need the extra blending of a flying spot laser.

The VISX Star 4 is the most commonly used laser is the United States. CLEARLY LASIK uses the Bausch and Lomb, Nidek and VISX Star3 and Star4 laser systems.
The VISX WavePrint System allows your LASIK surgeon to personalize your laser eye surgery. The WavePrint System gives the LASIK surgeon treatment options that are truly personalized to your visual needs.

There are two parts to the VISX WavePrint System. First, it includes a wavefront analyzer that maps the entire optical path of your eye. This waveprint map, as unique as your fingerprint, provides the LASIK surgeon with precise and detailed information about your vision.

Secondly, the LASIK treatment is enhanced by the VISX Star S4 excimer laser with 3D Active Trak, which automatically and instantaneously tracks the minute movements of your eye in all three dimensions during the laser eye surgery. Eyetrackers allow you to feel confident that even if your eye moves during the treatment, your treatment remains precisely centered on your eye. The VISX Star S4 also includes Variable Spot Scanning delivery of the laser pulses, providing flexibility in personalizing your laser vision correction. The LASIK surgeon uses these exclusive technologies along with the WavePrint Map to provide laser vision correction care based on your personal vision needs.

Intraocular Lens Implants

ReZOOMTM MultiFocal Lens

Unlike conventional single-vision (monofocal) lens implants, state-of-the-art ReZoomTM lenses have been specially designed with multifocal zones that provide good vision across the spectrum of varying distances and light conditions. So you can see well anywhere and anytime, be it near, far or in between. Patients no longer have to settle for monofocal lenses that only provide good distance vision with limited ability to see objects that are near without glasses.

The ReZoomTM Multifocal Lens is a clear, foldable implant made of a high-refractive-index acrylic material. This new technology multifocal lens is designed to provide a full range of vision - near, distance and intermediate - after cataract treatment.

YOUR VISION WITH A REZOOMTM MULTIFOCAL LENS

The ReZoomTM Multifocal Lens not only treats cataracts, but it may also turn back the clock to bring back much of your ability to see up close and at a distance.

The lens has multiple focal points so you can see well at a variety of distances in varying light conditions. If you have been diagnosed with cataracts with or without presbyopia and desire a full range of vision with increased independence from glasses or bifocals, the ReZoomTM Multifocal Lens may be the right solution for you.

Balanced View OpticsTM Technology provides full-range vision

The ReZoomTM Multifocal Lens features Balanced View OpticsTM Technology - uniquely proportioned visual zones that provide it with a major advantage. Each ReZoomTM Multifocal Lens is divided into 5 different zones with each zone designed for different light and focal distances. Click here to see an animation of Balanced View OpticsTM Technology.

Unlike other earlier multifocal lens designs, the ReZoomTM Multifocal Lens has proportioned the size of its zones to provide for good vision in a range of light conditions. For instance, some zones have been designed to offer greater low light/distance vision support during night driving.

Greater Freedom From Glasses

THE REZOOMTM MULTIFOCAL LENS PROCEDURE

The ReZoomTM Multifocal Lens procedure is an advanced treatment for cataracts that helps most people see near, far and everything in between without depending on glasses all the time.

Today, cataract removal is generally performed as an outpatient procedure under local or topical anesthesia. You will be fully awake, but you will be comfortable and feel no pain. Typically, you will be asked to arrive an hour or so prior to your procedure, and you will be allowed to leave after a period of observation following your procedure. The procedure usually takes 15 to 45 minutes.

To remove your cataract (clouded lens), your doctor will use a technique called phacoemulsification (phaco). Your doctor will make a tiny, 1/8-inch incision and insert a small phaco probe. The probe will break apart the clouded lens and remove it. Next, an IOL will be inserted through the same tiny incision, into the lens capsule of your eye. Because this procedure is performed through an incision that is very small, your eye will be able to heal rapidly with little or no discomfort.

Following the procedure, you will be allowed to return home within an hour or so. Vision is restored immediately in most cases; however, vision usually continues to improve in the weeks following the procedure. Keep in mind that lens implants have been in use for about 50 years to treat cataracts. Over 14.2 million cataract and lens implant procedures are now performed each year worldwide.2

AcrySof® ReSTOR® IOL

Finally, the opportunity for freedom from reading glasses and bifocals.

Until recently, life without reading glasses or bifocals was not an option for most cataract patients. You now have an option. The AcrySof® ReSTOR® is a unique technological innovation that can provide you with quality vision throughout the entire visual spectrum - near through distance - with increased independence from reading glasses or bifocals! Imagine being able to see your world as well as you did when you were younger, without the help of glasses or contact lenses. Being seen the way you want people to see you. Youthful. Energetic. Vibrant. Being able to see the way you want to see. Near, far and all distances in between. Seamlessly. Effortlessly. Naturally. Vision like you were 45 again is possible with the new Acrysof ReSTOR® intraocular lens.

What Is ReSTOR®?

ReSTOR® provides you with a quality range of vision - near through distance - without relying on mechanical movement of the lens. Through the use of apodization - a series of small steps built into the optics of the lens - light is smoothly transitioned between near, intermediate and distance focal points. The result is an increased range of quality vision that delivers a high level of spectacle freedom. In fact, FDA trial data shows that 93% of patients implanted with the ReSTOR® lens never wear glasses for distance, and 81% never wear glasses for near. Patients in this study averaged 69 years of age, making these results even more impressive.

How does the AcrySof® ReSTOR® IOL work?

As we perform daily activities such as reading, watching television or working at the computer, our eyes are constantly focusing on objects at varying distances - up close, far away and everything in-between. The ability to quickly change focus throughout this range of vision is called accomodation. Unfortunately, this ability diminishes as we grow older1, causing us to become dependent on bifocals or reading glasses. However, the AcrySof® ReSTOR® IOL was designed to provide quality near to distance vision by combining the strengths of apodized diffractive and refractive technologies. Similar technology has been used for years in microscopes and telescopes to improve image quality, and has now been patented for use in intraocular lenses by Alcon.

 

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