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EYE SURGERY

LASIK SURGERY

What is LASIK?
LASIK, or Laser Assisted in-Situ Keratomileusis, is a procedure that corrects vision problems by reshaping the cornea with a laser beam. This procedure can correct nearsightedness, farsightedness, and astigmatism. For most people, 20/20 vision is restored, and it is no longer necessary to wear glasses or contact lenses.

What are the advantages of LASIK?
LASIK is a vast improvement over other methods of vision correction, such as RK (refractive keratectomy) or PRK (photorefractive keratectomy) surgeries. LASIK is performed under a protective layer of corneal tissue. As a result, there is less surface area to heal, less risk of scarring, less risk of corneal haze, less postoperative discomfort, less postoperative need for medications, and vision returns more rapidly, often within a day or so.

What are the advantages of LASIK?
LASIK is a vast improvement over other methods of vision correction, such as RK (refractive keratectomy) or PRK (photorefractive keratectomy) surgeries. LASIK is performed under a protective layer of corneal tissue. As a result, there is less surface area to heal, less risk of scarring, less risk of corneal haze, less postoperative discomfort, less postoperative need for medications, and vision returns more rapidly, often within a day or so.

How does LASIK work?

LASIK SurgeryFirst, an anesthesia is administered with eye drops to numb your eyes. Next, an eyelid holder is placed between your eyelids to prevent blinking.
A portion of the cornea is cut as a flap with an instrument called a microkeratome, then lifted back. You may feel pressure during this process, but should not feel any pain. You are asked to look at a target light while the laser beam reshapes the cornea.
Dr. Singh with excimer laserTo correct nearsightedness, the cornea is made flatter by removing tissue from the center of the cornea. For farsightedness, the cornea is made steeper and for astigmatism, the cornea is made more spherical. The laser is typically applied for less than one minute. The protective flap is folded back and bonds securely without stitches. Some discomfort may occur within twelve to twenty-four hours after surgery. Most people return to their daily activities the following day.

To correct nearsightedness, the cornea is made flatter by removing tissue from the center of the cornea. For farsightedness, the cornea is made steeper and for astigmatism, the cornea is made more spherical. The laser is typically applied for less than one minute. The protective flap is folded back and bonds securely without stitches.
Some discomfort may occur within twelve to twenty-four hours after surgery. Most people return to their daily activities the following day.

Find out if you are a candidate for LASIK vision correction surgery by scheduling a personal consultation at Eye Centers of Racine & Kenosha. (262) 637-0500

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CUSTOM Vue LASIK

What is "Wavefront" or "Custom"

 

The Eye Center's "Wavefront Customized" LASIK incorporates technology that is setting a new standard for laser vision correction. Wavefront technology allows us to measure and address the unique imperfections of each individual's vision and to design treatments that have the potential to deliver even better vision than is possible with glasses or contact lenses.
Wavefront technology was originally developed to reduce distortions in high-powered space telescopes. We use it to detect and measure minor vision distortions known as "higher order aberrations." Just as every individual has a unique set of fingerprints, every eye has its own unique pattern of higher order aberrations. Wavefront Custom LASIK allows us to map your "vision fingerprint" and to use that map to design a LASIK treatment that is unique to your eye.

 

The eye chart on the left illustrates what vision might be like with significant amounts of "higher order aberration." The eye chart on the right illustrates the increased clarity that might be achieved with Wavefront Custom LASIK which measures and addresses these higher order aberrations.

 

What are Higher Order Aberrations?

It is the ability to address the minor distortions of vision, called "higher order aberrations", that distinguishes Wavefront Custom LASIK from conventional LASIK. All of us have some degree of higher order aberrations affecting our vision. "Conventional" LASIK treats vision disorders that most everyone has, such as nearsightedness, farsightedness, or astigmatism. Higher order aberrations are more subtle distortions of vision that you've probably not heard about. They have names like coma, trefoil, tetrafoil, and spherical aberration. The reason you've probably never heard about these higher order distortions before is that, until Wavefront Custom LASIK, we had no way of measuring them or treating them. Glasses and contact lenses treat nearsightedness, farsightedness and astigmatism, but not higher order aberrations. They do so by placing a uniform amount of corrective power over the whole surface of the cornea. Conventional LASIK also treats nearsightedness, farsightedness, and astigmatism and also does so by applying a uniform amount of corrective power over the whole area of treatment on the cornea. By contrast, Wavefront Custom LASIK allows us to deliver different amounts of power to different parts of the cornea in order to minimize or reduce higher order aberrations.
Taking higher order aberrations into consideration during LASIK treatment can, theoretically, allow a higher level of vision than even the best glasses or contacts or conventional LASIK. FDA-monitored research studies suggest that, for appropriate patients, Wavefront Custom LASIK can provide even more satisfying vision (and especially night vision) than conventional LASIK.

 

How are Higher Order Aberrations Measured?

Higher order aberrations are measured with a device called a " wavefront scanner." Taking a wavefront scan of the eye takes just a few minutes and is totally painless. The wavefront scanner shines a light into your eye and collects that light as it is reflected back out of the eye. It performs a computerized analysis of how the reflected light beam was distorted by your eye and then designs a LASIK treatment plan that will address as many of those distortions as possible.

 

In Wavefront Custom LASIK, a computerized measurement called a "Wavescan" is performed before the procedure.   The Wavescan device projects light waves, painlessly, into the eye and collects those light waves as they are reflected back out of the eye.  The Wavescan analyzes the unique way your eye distorts those reflected light waves and determines how the cornea would have to be re-shaped to minimize those distortions.  This customized treatment pattern is then programmed into the laser machine.

 

How is the Wavefront Custom procedure different from "Conventional" LASIK?

From a technological point of view, the key difference between Wavefront Custom LASIK and conventional LASIK is in the way the laser light is delivered to the eye. With conventional LASIK, the same amount of laser treatment is delivered, uniformly, over the treatment area on the cornea (the clear front window of the eye). With Wavefront Custom LASIK, different amounts of treatment are delivered to different areas of the cornea, in a highly individualized pattern.
The experience of having Wavefront Custom LASIK is virtually identical to that of having conventional LASIK. The same laser machine is used. The steps during and after the procedure are virtually identical. The main difference is that Wavefront Custom LASIK requires a painless pre-operative wavefront scan which is not necessary with conventional LASIK.

 

On the left, a 3-dimensional vision map represents distortions in vision detected by a Wavescan measurement.    On the right is a vision map without any distortions at all.  Wavefront Custom LASIK addresses the unique distortions of your cornea in an effort minimize these distortions or "higher order aberrations" after LASIK.

 

What are the advantages of Wavefront Custom LASIK?

FDA-monitored research studies that led to approval of Wavefront Custom LASIK technology suggest that some patients achieve a higher level of vision than was typical with conventional LASIK. Also, patients' satisfaction with night vision may be even greater with Wavefront Custom LASIK than with conventional LASIK.

 

Am I a candidate for Wavefront Custom LASIK?

During your free consultation, our surgeons can determine whether or not you are a candidate for Wavefront Custom LASIK and discuss any advantages it may have for your particular vision needs. Please call The Eye Centers of Racine and Kenosha, at

262-637-0500 to schedule this free, hour-long personal consultation.

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  • Among the first in Racine/ Kenosha area to offer the new, advanced CustomVue Wavefront Technology!!!
  • 20/20 or better vision in 98% of FDA-monitored patients
  • Schedule a free consultation today to see if you're a candidate!

 

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PREMIUM LENS IMPLANTS

 Standard Monofocal Lens Implants

 

Monofocal lensOne of the most important benefits of improved functional vision with the TECNIS® Lens is safety. With compromised functional vision, even patients who have no problem reading the letters on an eye chart can be at a serious disadvantage in low-light situations because they have reduced contrast sensitivity.

The TECNIS® Lens is the only lens with FDA-approved claims for improved functional vision and improved night-driving simulator performance. Good functional vision is especially important when driving at night. Based on night-driving simulator results in a controlled clinical study, the TECNIS® Lens provided improved visibility that may allow for quicker reaction time, which is likely to provide a meaningful safety benefit to elderly drivers. The improvement in functional vision may also improve safety in other low-visibility situations.

In addition to receiving sharp distance vision with the TECNIS® Lens, in many cases your doctor can also correct pre-existing astigmatism at the time of cataract surgery. Ask your doctor if the TECNIS® Lens can rejuvenate your vision.

 

Crystalens® Lens Implants

We offer Crystalens® lens implants at our Racine and Kenosha offices in Southeastern Wisconsin in order to restore a patient's vision at all distance ranges. Often used after cataract surgery to replace a cloudy lens, Crystalens® is just one of the fine lens implant options that we offer at The Eye Centers of Racine & Kenosha to accommodate your particular eye care needs.

What is Crystalens®?

The result of more than 15 years of research, Crystalens® is single-focus lens implant used to replace the natural lens of the eye following the removal of a cataract. The Eye Centers of Racine & Kenosha are one of only three ophthalmology practices certified to use Crystalens® in the Racine and Kenosha area. We are proud to have such a distinction for using Crystalens® at our offices serving the Racine and Kenosha area.

Approved by the Food and Drug Administration, Crystalens® is both the first and only accommodating intraocular lens implant in the United States. Crystalens® is designed to mimic the eye's natural process of accommodation, the process by which the natural lens of the eye and eye muscles are able to provide a full range of vision.

How does Crystalens® work?

Crystalens® works in conjunction with the ciliary muscle, the focusing muscle in the eye. The ciliary muscle alters the power and focus of the eye's natural lens. When the Crystalens® is placed in the eye, the lens implant's flexible hinges allow the lens to move forward and backward in the eye, accommodating to the contractions of the ciliary muscle. The specially designed hinges of the Crystalens® have undergone extensive testing and have shown no fatigue even after a million cycles.

What results can I expect from Crystalens®?

While results of Crystalens® will vary from patient to patient, the findings of a study conducted by the Food and Drug Administration showed exceptional results. The study found that:

  • 98 percent of Crystalens® patients could pass driver's license eye exams, experiencing 20/32 vision or better
  • 100 percent of Crystalens® patients had good intermediate vision, allowing them to see their computer monitor or an object at arm's length without the assistance of prescription glasses
  • 98 percent of Crystalens® patients had good near vision, allowing them to read numbers in the phone book and newspaper stock quotes without the assistance of prescription glasses
  • 93 percent of Crystalens® patients stated they did not require prescription glasses to perform most daily activities

 

Is Crystalens® right for me?

The best way to determine if you are a good candidate for Crystalens® is to visit our offices. We will be happy to discuss all of the eye care options available to you and help you determine the procedure that is best suited to meet your individual needs.

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To schedule a consultation for Crystalens® at our Racine or Kenosha office, contact an ophthalmologist at The Eye Centers of Racine & Kenosha today. Call 262-637-0500

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ReSTOR™ Multifocal Lens Implant

 

The ReSTOR™ Lens Implant uses apodized diffractive technology — a design that responds to how wide or small the eye's pupil might be — to best provide near and distance vision, but objects at intermediate distances may still be somewhat out of focus. No lens can promise you perfect vision or that you will never have to wear glasses ever again. But in FDA studies with this lens, 80% of patients reported that they never wore glasses after the procedure. When patients did need to wear glasses, most often it was for intermediate distance, for example: piano music, computers that sit further away, top shelves at the supermarket.

 

Crystalens Lens Implantation Procedure

The Crystalens® procedure is performed in our outpatient surgical area. A number of topical drops will be placed in your eye and you may be administered medications to help you relax. The eye drops anesthetize your eye and dilate your pupil.

Once in the surgery suite, you will lie down on a comfortable bed, a microscope will be positioned over your eye, and you will be asked to look up into the light of the microscope. The actual surgery usually takes less than 15 or 20 minutes. Your lids will be gently held open with a small instrument. You will feel no pain, only slight pressure on your eye. All you have to do is relax and hold still.

The recovery period is usually short. Most patients are able to pursue normal activities almost immediately after surgery. Discuss with your doctor beforehand what to expect before, during, and after the procedure as well as eye drops and postoperative office visits.

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The link below is available for users who want to see the actual surgical procedure performed.

 

 

ASTIGMATISM CORRECTION

Now, cataract patients with cataracts and astigmatism have another option — the AcrySof Toric Lens, which corrects for both conditions simultaneously. Implanted in the eye to restore vision after cataract surgery, the AcrySof Toric lens implant is an artificial lens specifically designed to provide both spherical and astigmatic correction. We invite you to call to have your questions answered or to make an appointment: (262) 637-0500. Have a question? ASK US Or schedule consultation online

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Learn About Astigmatism

Whether myopic or hyperopic, most eyes have corneal astigmatism to some degree. Corneal astigmatism means that the front part of your eye, the clear window you look through, is not perfectly round. Instead of being spherical like a basketball, an astigmatic cornea is slightly flattened, more oval in shape like a football, with one side steeper than the other

Because the astigmatic cornea is curved more (steeper) in one direction than the other, light entering the eye is refracted differently as it passes through these different areas. This causes light to come into focus at several different points on the back of the eye, rather than ideally coming into focus at just one point.


Depending on the direction and the amount of astigmatism, vision through an astigmatic cornea will be affected in various ways. The illustration (below) gives a broad example of the visual effects, depending on the overall direction of the curve:

 

Limbal Relaxing Incisions For Astigmatism Correction:


Following cataract surgery, eye surgeons commonly prescribe glasses or contact lenses to correct astigmatism. However, some surgeons will treat corneal astigmatism at the time of cataract surgery through the use of "limbal relaxing incisions" (LRI's). This involves making tiny incisions in the cornea to "relax" or flatten the steeper meridian, thereby causing the corneal curvature to become more rounded, reducing astigmatism.

These long, thin incisions are placed at the very edge of the cornea (known as the corneal limbus) on the steepest meridian, and differ in number and length according to the amount of astigmatism. Relaxing incisions generally do not eliminate corneal astigmatism completely, but rather reduce it to an acceptable level. Because the cornea is living tissue, there may be "over-response" or "under-response" to these incisions. Seldom is corneal astigmatism completely resolved; however, a significant reduction in your astigmatism produces a more satisfactory uncorrected visual result.

Some patients with extreme amounts of astigmatism may still require the addition of limbal relaxing incisions to correct astigmatism after cataract surgery with the AcrySof toric lens. For the patients, with unusually high amounts of astigmatism, implanting the toric lens means that less corneal surgery in the form of a limbal relaxing incision is needed to achieve the same amount of correction.

In the future, the AcrySof Toric Lens Implant will be available in higher powers of astigmatic correction so that even very high amounts of corneal astigmatism can be corrected without the addition of limbal relaxing incisions.

Make your appointment today with The Eye Centers of Racine & Kenosha, to see if the AcrySof Toric lens for the correction of astigmatism is right for you. If you would like further information, please call our office at: (262) 637-0500. Or schedule consultation online.

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COSMETIC EYE SURGERY

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The Eye Centers of Racine and Kenosha provide the on-line information above solely for educational and communication purposes. Nothing contained on the site should be misconstrued as personal medical advice. None of the information published on the Eye Center website is intended to replace, supplement, or augment a medical visit with or medical advice from an eye care professional concerning the medical care of the viewer / user of the site. The Eye Centers of Racine and Kenosha disclaim any and all liability for injury or other damages resulting from the use of any information obtained from this website.

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