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Fixing complications after laser eye surgery

Definition

The ELZA Institute has a global reputation for fixing laser surgery complications. Prof. Hafezi, the Medical Director of the ELZA Institute, has nearly 20 years of experience in laser refractive surgery, and this experience is a key reason why patients are referred from all over the world to ELZA to have failed refractive surgeries repaired by us.
Here are some examples of ELZA fixing complications after laser surgery:

Repairing PRK: fixing a decentred ablation

Repairing a decentred ablation.

The “before” image on the left is from an old PRK for myopia from the early 2000s, but unfortunately, the laser ablation was de-centered, and this has left the center of the cornea “multifocal” – meaning that the patient has blurred vision, especially at night, when the pupil is large.

The “after” image is after correction at ELZA with a wavefront-guided transPRK. We have been able to give the patient a big, homogenous optical zone, and this gives the patient a distinct improvement in visual quality and visual acuity, in both light and dark conditions.

Complications after laser surgery
Before
Repairing PRK
After

Repairing LASIK: improving poor vision at night 

Thanks to limitations of early excimer lasers, refractive surgeries performed in the early 2000s (like the case presented below) had small optical zones – in other words, the region in the centre of the cornea that was corrected was relatively small. This meant that during daytime, when there is lots of light, the patient’s pupil is small, and the patient sees well. But at night, when the pupil is large, the light starts to come through the uncorrected parts of the cornea, which is “multifocal”, and the patient’s vision gets considerably worse.

At the ELZA Institute, we were able to correct this LASIK complication using a wavefront-guided transPRK to expand the optical zone size to a much larger one, meaning that the patient could see well in both light and dark conditions.

 
Vision correction after PRK
Before
Fix vision after old laser correction
After

Fixing SMILE surgery complications: patients with large pupils

Tiny optical zones aren’t limited to old laser surgeries; here is a case of a young patient (in their early thirties) with a small optical zone after small incision lenticule extraction (SMILE) surgery, who had good vision during daylight (when the pupil is small), but had significant issues with their vision in darker conditions (when the pupil was large). We performed a wavefront-guided PRK to enlarge the optical zone.
 
The main feature of SMILE surgery is that the laser performs the vision correction by cutting a “lenticule” within the cornea and a tunnel to the surface that the surgeon uses to remove the tissue. However, the surgeon needs to use a tiny spatula to dissect the lenticule from the stroma, as the laser is not able to separate one from the other completely. This is a potential point of failure: if the lenticule is not completely detached, and some tissue is left behind, then the patient will have significant visual issues afterward. This was the case with the patient presented below. We rehabilitated the patient’s vision by performing a wavefront-guided surface treatment over the optical zone in the center, recovering much of what the patient lost with the failed SMILE surgery. The patient is at 100% of visual acuity without glasses, both during daytime and at night.
 
Before
Vision correction after PRK
After
Before
After

What can I expect? 

You cannot expect being completely free of glasses or reaching perfect vision. Fixing a failed refractive laser surgery is much more demanding than performing the original surgery. In many cases, we can improve on the situation, but sometimes even we cannot normalize vision completely. Our aim is to get you to the best visual quality possible. In some cases, you will still need glasses after our reconstructive surgery, but the vision you can achieve with glasses will be much better than anything you achieved prior to our repair..
The success of SMILE procedures depends not only on the expertise of the surgeon but also on the ability to correct any complications that may arise. Prof. Hafezi’s article provides insight into the various approaches available for repairing failed SMILE procedures. Corneal wavefront-guided transPRK stands out as a method that offers significant advantages, including improving the corneal biomechanics and avoiding postoperative ectasia.
We took a biological approach to what has been classically viewed as a physics problem. If the laser ablation is causing inflammation, can we change how the laser energy is delivered to the cornea in order to cause less inflammation?
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Augeninstitut ELZA
4.8
Based on 109 reviews
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mike
mike
09:02 04 Jan 23
Overall as a 50 year old, who wanted to continue to avoid wearing glasses and/or contact lenses, my goal was 100%... achieved with ELZA and Dr. Hafezi. I greatly appreciated the overall approach by Dr. Hafezi and his friendly and competent team in reviewing my vision at the start and following a comprehensive eye exam- the explanations of my options. For me I chose PRK in one eye for a monovision solution to correct short sightedness which was becoming more prevalent in night driving and sports such as skiing and cycling. PRK heals slowly but the outcome is worth the wait- and the cost- you use your eyes every waking moment- and for me I cannot see any reason not to pursue better vision with the ELZA team! A great quality of life enhancement!read more
Zuzana Fecko
Zuzana Fecko
21:48 31 Oct 22
Thank you so much, Dr. Torres and prof. Hafezi. 26 years I was only “dreaming” about the eye surgery due to possible... complications. I was worried ..Thank you for encouraging me to make a decision and thank you for your professionalism, explanations and great work!I wish you all the best, lots of success and only happy patients!read more
Serena Fazio
Serena Fazio
11:15 06 Mar 22
I have been to the ELZA clinic to have surgery for my miopy, as my eyes were rejecting the contacts and I was tired of... wearing glasses. From the first preliminary visit, to the actual surgery and post-surgery care Dr. Hafezi and all his collaborators have been extremely professional, considerate and helpful. All the steps of the (very short!) surgery were thoroughly explained to me in order to be as calm as possible, together with the medication plan and precautions to be aware of so that my eyes could heal in the best way possible. By following their exact instructions, the healing process has been very successful and smooth, and after about one week I was able to see perfectly. I absolutely recommend this team and their expertise!read more
Robin A
Robin A
11:43 16 Feb 22
Top experts and professional team. Highly recommended
Thunder Shiviah
Thunder Shiviah
14:05 23 Nov 21
After some research on local options I decided to go with ELZA since it stood out as the best. The operation and the... post-operation recovery went extremely smooth (something I was worried about with PRK). Now my vision is much better than I had hoped and I have no side effects such as dry eye or night vision problems. Thank you!read more
Thomas S.
Thomas S.
09:37 07 Jul 21
My left eye had to be operated on because of a cataract. As I had an Artiflex lens implanted a few years ago, it had to... be removed first before a modern lens could be implanted to correct the cataract. Prof. Hafezi treated me in an very competent and friendly manner. I am very happy with the result.read more
Selma A. Rahim
Selma A. Rahim
19:45 02 Jul 21
Dr. Hafezi.. the KING OF CXL🤴
Gianluca Ricci
Gianluca Ricci
12:46 10 Apr 21
Great team and service!
rehaneyecare
rehaneyecare
05:36 08 Apr 21
Excellent surgeon
Steven H.A
Steven H.A
16:13 11 Jan 21
Prof. F. Hafezi s expertise is enormous and he has a very pleasant and calm nature which gives the patient... security.Thank youread more
Online Commande
Online Commande
09:19 05 Dec 20
Totally creepy, very arrogant Prof.He just want your money.It may explain, why this Prof. is not in the center of the... city of Zürich and why he has been thrown away from University of Geneva.read more
Elena Churilova
Elena Churilova
10:06 17 Nov 20
At the moment, 3 months have passed since the moment I made laser vision correction in this clinic. and I can say that... I am happy that I chose this particular clinic and Prof. F. Hafezi. The entire staff of the clinic is very friendly, treats patients with sympathy and patience if they are nervous before surgery (my big gratitude to Aida Alili for all support and patience). The doctor Hafezi and other doctors of the clinic are very professional and ready to explain to you as many times as you need. I can only recommend!read more
Michele Aggiato
Michele Aggiato
18:17 10 Jan 20
The day I had Prof Hafezi checking my keratoconus I knew I was finally in the right place after years of searching for... a good ophthalmologist. Prof Hafezi recommended a surgery due to a drastic degeneration of my cornea. The surgery was performed by himself with the assistance of Dr Rodriguez, one more collaborator of Prof Hafezi’s team who got my full trust.read more
Ashley Faulkes
Ashley Faulkes
15:30 21 Mar 16
Professor Hafezi and the team at the ELZA Institute have done an amazing job of creating a first class eye clinic, with... cutting edge technology and support. I went there for a dry eye issue and other issues with my prescription, and they were easily able to help me and put me on the road to better vision! High recommend them to anyone in the Zurich/Aargau area.read more
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Augeninstitut ELZA
4.8
Based on 109 reviews
powered by Google
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