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Northwest Medical Plaza, 5800 Colonial Drive, Suite 100-103, Margate FL. 33063
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Precision Technology for Safer LASIK Surgery: The WaveLight Refractive Suite

WaveLight EyeQ ExcimerThese are two important steps in LASIK eye surgery. In step one, a micro-thin flap of tissue is created on the cornea. In step two, an excimer laser is used to reshape the cornea. With the Wavelight Refractive Suite, we use a separate laser for each step of the process to ensure the greatest safety and the best results. The two lasers are connected and function as one integrated unit. Just as some of the finest automobiles in the world including Porsche, Mercedes and BMW, this is the product of the best German engineering and optical design.

Step One: Creating the Flap

We are proud to announce the latest technology for performing LASIK: the WaveLight FS200 Femtosecond Laser. Using an infrared beam of light, the laser precisely separates molecules without any transfer of heat and without impacting surrounding tissue. This ensures greater safety and reliability to the procedure. We also have the ability to alter the size and shape of the flap to ensure a “custom fit” for each patient. Once the laser is activated,it takes only seconds to create the flap.

Step Two: Reshaping the Cornea

After the flap is created and lifted, we use the WaveLight Allegretto Eye-Q excimer laser to reshape the cornea and correct the vision. Advantages of this technology include:

Pupil Eye Tracker

Pupil tracking is a crucial component of all modern vision-correcting lasers. This is absolutely necessary to ensure that the treatment is rendered to the exact intended position on the cornea. All laser pulses must be placed with precise knowledge of their position relative to other spots, and relative to the tissue being sculpted. Even if we try to hold our eyes absolutely still (as is encouraged during treatment), the eyes will move slightly due to our pulse, breathing, and microscopic visual tracking movements (called saccadic movement) of the eyes.

The Allegretto laser can only treat at its rapid pulse frequency if it also has an ultra-fast eye tracking system to follow eye movement. This laser incorporates an infra-red pupil tracking system with a sampling frequency faster than the treatment frequency.

Every 2-3 milliseconds, the eye’s location is measured and the internal mirrors of the Allegretto are automatically aligned. Just before the pulse is released, a second check is made to confirm that the eye has not moved. This happens 400 times every second, once for every laser pulse.

If, at any time, the eye moves too quickly to be measured or moves out of range, the laser will stop and wait for the eye to move back into position. This ensures that each of the "perfect pulse" spots is placed in the "perfect position" on the eye. The combination of direct surgeon observation and high-speed pupil tracking ensures that treatment will be rendered on target every time, with each pulse.

Perfect Pulse Technology™

Perfect Pulse Technology™ represents a new approach to laser vision correction – it accounts for speed, precision, and safety in the Allegretto laser, and offers improvements that are revolutionary in the field. Energy control measures adjust energy levels in the laser pulse from creation to delivery.

Engineering of the Allegretto laser has taken special steps to ensure that the amount of energy in each pulse of the laser has been calibrated to exactly the right level. After the beam has been created, it passes through three "checkpoints" on its way through the system. At each of these points, the energy level is checked and adjusted if necessary, ensuring that the beam is perfectly tuned at its destination.

The Allegretto laser employs a proprietary overlapping spot placement method to ensure accurate energy placement. This is one of the ways that the Allegretto achieves a smoother, optically better, and more natural corneal surface than many other lasers.

Wavefront Optimization

One of the most innovative features of the Allegretto WaveLight Refractive Suite is the way it incorporates wavefront optimization in rendering proper treatment. It is the only vision correcting laser system that takes into account the starting curvature of the cornea being treated. The Allegretto is the only laser system that preserves normal curvature characteristics; thereby optimize visual quality, as a consequence of treatment.

In earlier laser systems treating nearsightedness, the optical zone, or area of correction, was centered on the front of the cornea resulting in a flattened area that ended with an abrupt edge, causing unwanted side effects like poor night vision, glare, and halos. Laser treatment patterns evolved to apply peripheral treatment in a blend zone, to smooth this abrupt edge.

All prior laser systems were designed to be calibrated on flat plastic test surfaces. However, the cornea is curved, and when treating on the down-slope of this curve some laser energy is scattered rather than being absorbed. This effect, called the cosine-offset effect, requires additional pulses to the periphery of the cornea in order to compensate for the energy lost through scattering and reflection.

The Allegretto system is the only laser platform that applies extra pulses to the peripheral cornea in order to compensate for the angle of the laser beam. The laser anticipates and corrects for any cosine-offset issues. The treatment is specifically designed to preserve the naturally aspheric shape of the cornea to a degree that older lasers simply could not achieve. This compensation combined with the precision of Perfect Pulse Technology (enhancing the accuracy of tissue sculpting with the precision of laser pulses), produces a smooth, cleanly sculpted surface. Just what is necessary for high performance vision.

Nomogram Optimization

At The Center for LASIK, we use sophisticated software to track our outcomes and modify future treatments. Factors like temperature, humidity and atmospheric pressure can affect the surgical results. Our tracking software calculates the best treatment for each individual patient based on outcomes from many previous patients. This also allows us during your initial consultation to show you what your vision outcome might be like after your treatment.

Our LASIK Outcomes

When you’re deciding to have surgery on your eyes, you want to know what you can expect. Many surgeons tell you their general results, but most don’t offer specific information about their results with people just like you – and most won’t put it in writing. Whatever your level of myopia, hyperopia or astigmatism, we’ll provide you with specific information about your likelihood of achieving 20/20 vision and how likely it will be you’ll need an enhancement. No guessing. No generalities. Just the actual data to help you make an informed decision.



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