Topography-Guided LASIK

A Revolutionary Approach to Vision Correction

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LASIK, or Laser-Assisted In Situ Keratomileusis, is a widely accepted method for correcting various vision problems such as nearsightedness, farsightedness, and astigmatism. In our CEI offices in New York and New Jersey, in addition to traditional bladeless LASIK, we also offer a new form of bladeless LASIK known as topography-guided LASIK. This approach provides a more personalized and effective solution for vision correction and has become increasingly popular among patients seeking the sharpest possible vision.

What is Topography-Guided LASIK?

Topography-guided LASIK is a type of laser vision correction that leverages the power of advanced mapping technology to create a precise and comprehensive three-dimensional map of the cornea. The cornea is the clear lens in front of the eye, upon which LASIK is performed. This map, known as topography, provides a detailed representation of the cornea’s surface and shape, allowing the LASIK surgeon to tailor the laser correction to the individual needs of each patient.

Unique Types of Corneal Topographies

Round

Oval

Superior Steepening

Inferior Steepening

Irregular

Symmetric Bowtie with Skewed Radial Axis

Asymmetric Bowtie with Inferior Steepening

Asymmetric Bowtie with Superior Steepening

Asymmetric Bowtie with Skewed Radial Axis

Symmetric Bowtie

In comparison, traditional LASIK is based on the patient’s eyeglass prescription, which provides only a general understanding of the cornea’s shape and fails to take into account the many subtle variations and imperfections that can impact vision. With topography-guided LASIK, the laser correction is guided by the comprehensive topography map, which includes thousands of data points providing a more effective and personalized approach to vision correction. This approach results in a sharper vision and lowers the incidence of side effects like glare and haloes.

How Does Topography-Guided LASIK Work?

Step 1

The first step in topography-guided LASIK is creating a topography map of the cornea. This is done using a corneal topographer, a device that projects ring shaped light patterns onto the cornea and records the reflection of these patterns using cameras. The information gathered is then used to create a highly detailed map of the cornea’s shape and surface.

Step 2

Once the topography map is complete, the LASIK procedure begins. A femtosecond laser is used to create a thin flap in the cornea, which is then lifted to expose the underlying tissue. The flying spot excimer laser is then used to reshape the cornea, removing small amounts of tissue to correct any imperfections and improve vision. The tissue removal at each individual point is guided by the topography map. This is as opposed to traditional LASIK where a general treatment pattern is used based on the three-point data prescription alone (sphere, cylinder and axis).

Step 3

The flap is then replaced and allowed to heal, without any stitches. The whole surgical process typically takes about 15-20 minutes. After that the patient can go home. Most people can resume their routine daily activities the very next day.

Benefits of Topography-Guided LASIK

There are several notable benefits of topography-guided LASIK, including:

Customized Correction: One of the primary advantages of topography-guided LASIK is the level of customization it provides. By using the topography map to guide the laser correction, the treatment is tailored to the specific eyes of each patient, leading to a more effective and personalized outcome.

Improved Accuracy: The use of topography mapping allows for a more accurate and precise point-to-point laser correction, reducing the risk of complications and ensuring optimal results.

Better Results for Complex Cases: Traditional LASIK can be less effective for patients with complex corneal shapes, or other vision problems, such as irregular or high levels of astigmatism. Topography-guided LASIK, on the other hand, can provide better results for these complex cases, resulting in clearer and sharper vision.

Reduced Risk of Complications: By using the topography map to guide the laser correction, topography-guided LASIK minimizes the risk of complications such as halos, glare, and starbursts. Also, it minimizes the chance of human error if the wrong prescription is dialed in or is measured.

Enhanced Outcomes: Studies have shown that topography-guided LASIK can provide better visual outcomes

Speak to your eye care provider to see if they offer this service as topography-guided LASIK has been shown to offer superior results.

At Cohen Eye Institute, we use the Contoura® system which is the most advanced form of topography-guided LASIK available today.

Dr. Cohen in the News & Media

Fox News

Dr. Sapna Parikh reports on the very first case of an ICL in New York performed by Dr. Ilan Cohen.

ABC 7 News

The surgeon, Dr. Ilan Cohen talks about “the unique” features of Implantable Collamer® Lens surgery as compared with LASIK.

CBS 2 News

An artificial corneal transplant is a complex surgery that is reserved for patients that have corneal blindness and are not otherwise candidates for a traditional corneal transplant.

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What other Doctors say about Dr. Cohen

Patients Testimonials

Since I was four years old, I had been wearing thick glasses because of my high astigmatism. My wish had always been to see clearly without having to wear my glasses. The surgery has changed my life immensely. I chose Dr. Cohen for my LASIK because of his level of professionalism and his educational background. The surgery was easy, painless, quick and the minute he finished I was able to see perfectly without my glasses.

Niloufar Tabari

Before LASIK, I had to buy new glasses and sunglasses every year. It was a hassle always losing them. The day of surgery I was able to see great, and the day after I resumed my normal activities. After much research and multiple appointments with different doctors, I chose Dr. Cohen because I felt that he was the most professional and reputable. LASIK was the best investment I’ve made for myself.

DMITRIY SLOBODYANIK

I always wanted to wait to have my cataract surgery because I was nervous, but after seeing Dr. Cohen, my mind was put at ease and I proceeded with his recommendation in having my cataracts removed. After having my surgery, I can now say all my anxiety was for nothing. The surgery was quick and painless, and I am not wearing glasses for the first time since 4th grade. I am very happy with my decision.

Jane Adams (Toric Lens)

We went with Dr. Cohen’s recommendation and chose the multifocal lenses. Now, four years later, we can see without needing glasses, watch television and read the small print on newspapers and prescription bottles. Our decision to spend the money and have the surgery was the best decision we have ever made in our lives, other than getting married!

Mr. & Mrs. Pollina

I am looking forward to not wearing glasses or contacts anymore and go swimming. tTe procedure was so easy; piece of cake. I could see the clock without squinting. Dr. Cohen was very informative and made the whole experience pleasant. He walked me through everything. I am the biggest chicken, if I could do it, anyone can do it.

Theresa’s LASIK Procedure Before & After

Dr. Cohen and I were classmates in medical school. Both my parents and myself have had cataract surgery with Dr. Cohen. Before surgery, my ability to do professional work, driving and most of my everyday activities were impaired. I am very surprised and impressed by my vision. The surgery was easy, quick and convenient. Dr. Cohen is very talented, extremely smart and very personable.

Dr. DW Chen

I was 43 years old and had developed cataracts. I am a detective in Middlesex County and need my vision all the time for reading house numbers, license plates and identifying people. The cataracts began making my job more difficult. After being told by multiple doctors that I was too young for the surgery and nobody wanted to touch it, I finally saw Dr. Cohen. He did my cataract surgery with ease and the results were like night and day. I couldn't ask for anything better.

Joe W

Dr. Cohen came extremely recommended to me. I saw the results of other people that I know and really wanted to get a surgery too. I actually wanted to get it done a few times before, but he said, I am not ready yet, because I was abusing my contacts. I had to stop wearing them for a while. My vision a day after was 20/20. Thank you so much Dr. Cohen! You are a life saver.

Egal Gabby’s LASIK Experience

I am very very happy with my results. I am super happy I did it and recommend it to everyone. It's great falling sleep on the sofa and not have the guilt feeling of not removing my contacts. My experience here was very nice. everyone was supper nice and understanding. The procedure was very easy and quick. After the procedure was done, Dr. Cohen asked me to look at the clock and I could do that; it was really weird.

LASIK Post-op

I work in Manhattan. I am an operating engineer. When I was 14 years old I needed a cornea transplant on my right eye. I really couldn't see well even after the surgery. I recently went to Dr. Cohen and he did a procedure on my right eye. It drastically improved my vision. I can actually street signs and news paper and television.

Charlie’s PRK Post-op

I did a PRK with Dr. Cohen and I am absolutely so happy that I have done this. Dr. Cohen gave me two options, but recommended the PRK for me because I had bad astigmatism on my right eye. I am so glad I did it. As soon as I was finished, I could see very well. I had no pain and my vision was clear immediately after. The vision got better and better as days go by.

PRK Post-op

I have been wearing glasses since 4th grade and I am very excited to not ware them anymore. Dr. Cohen was recommended to me by a friendly co-worker. Right after surgery I could see. It was pretty quick and no pain at all. One day later I was 20/20. There was no discomfort. I got all my questions answered at 1 day post-up.

Amy’s Before & After LASIK Experience

"I thought it was amazing. after lasik surgery I took a nap for 2 hours and I could see."

EFFENDY W

I am a veterinary surgeon and before cataract surgery I was having trouble with the lights in the operating room and night driving. I am now seeing perfect distance, near and intermediate without glasses or contacts!

Laurie Farragher, DVM

The procedure was very painless and quick. At 1st day post-op My vision is a lot better than when I had contacts.

Greg’s LASIK Experience

"l had Lasik Surgery yesterday. Woke up this morning and without glasses I could see very well and no real pain or discomfort."

Frank Beres

"Completely painless, over very quickly. They explain to you the entire time what's going to be going on. My vision today is better today than it was with corrective lenses prior to Lasik surgery."

Greg Z

"The Cataract surgery was quick and painless. the staff put you at ease and Dr. Cohen is an excellent doctor, I could see today without glasses,I have been wearing glasses since the 4th grade"

Jane adams

"The experience of LASIK surgery was easy and not as scary as I thought it was going to be. I am looking forward to starting my day without having to put contacts in."

Jennifer

"I had LASIK surgery 24 hours ago and I can see 20/20. I had no pain. .My follow up appointment was very thorough, I got all my questions answered."

Amy

"I did a lot of research and Dr. Cohen came highly recommended. I’ve seen what he is done for other people and so I trusted him. I am very happy with the results of my LASIK surgery, I am super glad I did it."

Egal G

"My glasses weren’t helping. after the cataract surgery with Restor lens was done, I could see. The surgical process was fantastic. I got in there and before I knew it, it was over."

A.G

"Dr. Cohen put special lens (Restor) in my eyes so at night I could drive and at day I could read. everything without glasses"

A.B

"I had cataracts (with Restor Lens) in both eyes, I probably couldn't pass the DMV test, the surgery was relatively easy. The surgery recovery was very quick, and after 2 weeks I was better than normal."

Ron L

"After numerous doctors, I found the best Doctor, Dr.Cohen, I would not hesitate to recommend him to anybody. He's very professional, he's a great surgeon."

Dianie

"I would recommend LASIK surgery, because it was easier than I thought. it was painless and remarkably quick. it was about 5 mins total and it erased 25 years of me not being to see."

Christopher Nelson

"My vision is now perfect, one day after cataract surgery on the second eye, I could see like an eagle.

Laurie Farragher

"Dr. Cohen is very nice. the staff made the whole experience of LASIK surgery more pleasurable to the point that my nerves were not completely frazzled. Dr. Cohen talks you through everything so you know what to expect."

Theresa

I chose Dr. Cohen for my cataract surgery with a multifocal lens implant because over the last 20 years of knowing him and referring many of my patients to him, he never made a mistake. I couldn't be happier with my vision

Dr. John Lipchak

Before the surgery I couldn’t see enough to drive. The surgery was relatively easy, and recovery was quick. I had no pain or discomfort. Within two weeks I was better than before and could read the newspaper and crossword puzzles. I find that the surgery was a miracle.

Roy Lindsay (Restore Lens)

A.B. I can see clearly while driving and reading, both day and night, without glasses.

Restore Lens Cataract Surgery

Before my surgery I wasn’t able to see distance or up close even with glasses, after the surgery I can see far distance with one eye and small print with the other. The surgical process was fantastic.

Cataract Surgery Restore Lens

I don't have to worry about picking up new lenses and glasses and how they fit. I don't have to worry when I travel if I packed my glasses and lenses.

Patrick Krik

Before Lasik, I had tired eyes from contacts, dry eyes and overall needing contacts and glasses. I can see 20/20 now and my eyes are not dry.

Alica Velasco

I was a little nervous but excited for results. I decided to go with Dr. Cohen, because I looked him up online and he had very good reviews. I also had a good experience with the staff here. On 1'st day post-op, my vision was great. I am looking forward to wake up and see.

Jennifer’s LASIK Experience

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