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Common questions about eye treatments

Q. What are the types of LASIK?

There are 2 types of LASIK.

  1. BLADE LASIK
  2. BLADELESS LASIK

At SMILE Laser Eye Centre Multan we don’t do BLADE LASIK to meet the safety standards of Zeiss Germany. Your eyes are priceless to us. We want to be 100% satisfied that you will get 100% results with ZERO RISK.

Say “NO to BLADE LASIK

Q. What are the Age Limits for Laser Treatment?

Minimum age for laser is 18 years. Maximum age for laser is 55 years.

Q. What is BLADELESS Pressure-Free FEMTO LASIK on ViSuMax?

LASIK stands for laser in situ keratomileusis. It is the most popular form of laser eye surgery, in which the laser reshapes the cornea of the eye. LASIK treatment therefore alters the refractive properties of the cornea and thereby corrects or enhances eyesight.

Previously, LASIK was done with BLADE in Pakistan but at SMILE Laser Eye Centre Multan BLADELESS Pressure-Free LASIK is done at Femto ViSuMax (the only 3rd Generation Femto Laser machine of the world). ViSuMax uses a unique technique called ‘corneal applanation’ to keep the IOP (IntraOcular Pressure) stable during the Laser procedure. This saves eye from undue harmful pressures and give 100% damage-free results for lifetime. Normal reading of IOP of a normal eye is around 15mmHg. No other FEMTO of the world is smart enough to keep the IOP stable during laser procedure. Other Femto machines of the world use ‘planner applanation’ that exert high pressures (upto 300mmHg) during FEMTO LASIK procedure. Hence ViSuMax is the true advanced 100% SAFEST FEMTO of the world.

Be 100% Safe. Always ask for ViSuMax before you go for laser treatment. 

Q. What can BLADELESS LASIK surgery treat?

BLADELESS LASIK eye treatment can correct of a full range of conditions, including myopia, hyperopia, presbyopia, and astigmatism.

 

Q. What is BLADELESS LASIK, and is it better than conventional BLADE LASIK?

Clinics are using the term LASIK in Pakistan. This again is basic BLADE LASIK, however, instead of using the traditional microkeratome instrument (BLADE) to create the corneal flap, at Smile Laser Eye Centre Multan the surgeon uses a separate 3rd Generation laser to make the corneal flap. Adoption of this BLADELESS laser on ViSuMax reduce complications, make it 100% SAFEST and improve accuracy. Femtosecond treatments at ViSuMax are the standard at Smile Laser Eye Centre Multan.

 

Q. What are the steps in the Femto Bladeless LASIK surgery?

At Smile Laser Eye Centre Multan, FEMTO BLADELESS Pressure-Free LASIK eye surgery consists of five steps:

  • Before FEMTO BLADELESS LASIK treatment, the dimensions and properties of the untreated eye are minutely measured using such techniques as topographical mapping and through diagnostic instruments. From these measurements, we calculate the precise amount of FEMTO BLADELESS LASIK correction.
  • During FEMTO BLADELESS LASIK eye surgery, Zeiss ViSuMax creates an exceptionally thin and accurate flap of corneal tissue from the surface of the eye. The ViSuMax does not completely remove the corneal flap. It remains anchored on one side – allowing a surgeon to place it back in its original position once the FEMTO BLADELESS LASIK procedure is complete.
  • The corneal flap is raised, and an excimer laser reshape the bed of the cornea to match to the dimensions determined before FEMTO BLADELESS LASIK surgery.
  • The surgeon places back the corneal flap and, within minutes, natural forces hold the flap in place and the FEMTO BLADELESS LASIK procedure is complete.
  • In a few hours after the FEMTO BLADELESS LASIK on ViSuMax procedure, the surface of the cornea starts to grow over the edge of the corneal flap and to seal it in position. It is instant healing procedure and patient don’t feel any discomfort during and after treatment.

 

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Q. What are the advantages of Femto LASIK treatment over other laser eye surgery procedures?

Compared to Zeiss Personalised PRK/TransPRK ASA or LASEK, FEMTO BLADELESS LASIK healing times are significantly shorter, with FEMTO BLADELESS LASIK patients typically returning to work and leisure activities from next days of their treatment.

Vision improvement after FEMTO BLADELESS LASIK eye surgery is virtually instantaneous, and both eyes are treated simultaneously on the same day. 100 percent of FEMTO BLADELESS LASIK patients meet the required standard for driving without glasses.

 

Q. What is Zeiss Personalised PRK/TransPRK (ASA)?

Zeiss Personalised PRK/TransPRK or photo-refractive keratectomy was the first vision correction procedure to use excimer lasers and grew out of the pioneering scalpel-based refractive surgery.

In PRK/TransPRK eye treatment, no corneal flap is made, instead the outer layer of cells from the surface of the cornea are removed entirely and subsequently grow back as part of the healing process.

After TransPRK (ASA), a surgeon places a soft contact lens over the eye to help the outer layer to grow back and this can take 3-5 days.

The procedure is most suited to patients with unusually thin or flat corneas, which would make FEMTO BLADELESS LASIK impractical. The most Advanced Zeiss MEL90 Excimer Laser is used in this treatment.

 

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Q. What can Zeiss Personalised PRK/TransPRK ASA surgery treat?

PRK/TransPRK can correct of a full range of conditions, including myopia, hyperopia, presbyopia, and astigmatism.

 

Q. What are the advantages of PRK/TransPRK ASA treatment, and when will a surgeon recommend it?

Although the result achieved can be as good as those by either Bladeless LASIK or ReLEx SMILE, with PRK the surgeon removes the cornea’s surface. Generally, vision will be good enough to drive a car within few days following surgery, and you may achieve your best vision withing 3-8 weeks following PRK/TransPRK surgery. Doctors typically suggest PRK/TransPRK for patients with unusually thin or flat corneas. 

Q. How long does laser eye treatment take?

The laser treatment takes just minutes, and the laser itself is only active for seconds. Preparation for surgery on the day takes between 30 minutes to one hour.

Q. Is SMILE safe?

Yes. SMILE supports the proven and minimal-invasive laser vision correction procedure that has created better vision for thousands of patients. After a thorough eye exam and consultation, your surgeon will discuss your options with you and help you make the right decision for your vision.

 

Q. Why haven’t I heard of SMILE before?

Since SMILE was launched in 2011, it has been continuously growing with more than 2,000 doctors performing the treatment around the world. Furthermore, SMILE was officially approved by the FDA in 2016. More than 3,000,000 eyes have benefited fr om focused vision thanks to SMILE.

 

Q. Why don’t more practices offer SMILE?

To offer SMILE, clinics have to invest into expensive new laser technology. Not all clinics have the funds available immediately to make this investment.

 

Q. How many procedures have been performed?

SMILE is the fastest-growing laser vision correction option in the world. Worldwide, more than 3 million eyes have been treated with SMILE by more than 2,000 surgeons.

 

Q. Is it FDA-approved?

Yes. The FDA approved SMILE for the United States in September 2016 after rigorous trials and testing showed it to be a c onsistent, effective way to i mprove vision and reduce dependence on glasses and contacts.

 

Q. Which one is better, SMILE or Bladeless LASIK on ViSuMax?

This is one of the most common questions we hear, and many patients want to know which treatment is “better.” The fact is that both LASIK and SMILE are proven and consistent, so most patients will be very happy with either option. Generally speaking, SMILE is Flapless. It is less invasive laser vision correction option and has No dry eyes issue. Based on your eye structure and lifestyle goals, your surgeon can recommend the right treatment for you!

 

Q. Does Laser Eye Surgery hurt?

The procedure itself is PAINLESS. With Femto Bladeless LASIK or ReLEx SMILE the recovery is instantaneous. With TransPRK ASA, you may experience irritation or discomfort for 2 Days after surgery. Because discomfort can occur in some patients during the healing phase, we provide pain relief medication in eye drop form to help eliminate this.

 

Q. What kind of laser do you use in the laser eye treatment?

Our laser eye surgeons use the Carl Zeiss MEL 90 laser for two simple reasons.
1: It features the latest advances in laser technology. And
2: brings the clearest advantages and highest benefits for patients.

 

Discussions about Excimer laser technology can get technical. But in order to make an informed decision about any treatment you are considering, it’s important to cover a few key aspects. One thing to always remember is that a good laser makes a huge difference. From a patient’s perspective, four areas differentiate the types of lasers used for Laser Eye Surgery. These are:

  • Spot size
  • Eye tracking
  • Treatment time
  • Safety tests

 

Q. What is spot size? 

The beam of a laser will be a certain size and a certain shape. The point where the laser touches the eye is a “spot”. The smaller the spot, the more focused it is, creating a higher intensity beam that moves around the eye at a faster rate. This also means the laser only removes the material it needs to, providing a more precise treatment. At 0.7mm, the MEL90 has the smallest beam available. This creates a high intensity (more focused) beam that moves at a rapid rate, necessitating increased reaction time, which the MEL90 also certainly has. The result is the most precise laser available.

 

Q. What is eye tracking?

It’s a given: Your eye will move during surgery. Eye-tracking technology simply ensures your safety when this happens. Compensating for eye movement is a key factor in ensuring that the laser delivers its beam in exactly the right place. To do so, there are different methods (video infra-red, 3D, LADAR), all of which involve detecting the position of your eye. There is a minor lag between the laser noticing your eye has moved and compensating for that movement. All trackers, to date, provide approximately the same level of delay time—most operate with a delay of less than ten milliseconds (one hundredth of a second).

 

Q. How exactly does laser vision correction work?

The main function of the eye is to focus light. If you think of it as a camera, the cornea is the lens and the retina is the film. The cornea, on the surface of your eye at the front, provides most of the focusing power. In perfect eyesight, it focuses light rays precisely onto the retina at the back. Your eye’s own internal lens fine tunes light, so you can see clearly enough to read, for instance. In perfect vision, light enters the eye through the cornea and is focused at a single point on the retina. When you have a refractive error, this means that light rays bend and don’t form a sharp focus on the retina. This is normally due to a problem with the length or shape of the eye. Any treatment that corrects the focusing of the eye is called refractive surgery.
Laser eye surgery is simply a form of refractive surgery that uses a beam of ultraviolet light to reshape your cornea. Adjusting the curve of your cornea allows light to be focused correctly on the retina. Refractive surgery is the world’s most common planned surgical procedure.

 

Q. What is the importance of treatment time?

While the actual laser treatment itself isn’t painful, the other processes that happen during treatment may cause some discomfort. The bottom line is, the faster a laser treats your eyes, the more comfortable you will be. There is also growing evidence that faster treatment means a swifter recovery.

 

Q. What will I feel during the Laser Eye Surgery procedure?

Patients of Laser Eye Surgery are given a topical anesthetic so the procedure itself is virtually pain-free.

 

Q. Do you treat both eyes at the same time?

Yes, we do treat both eyes within the same procedure.

 

Q. Can I bring anyone with me when I have the procedure? 

You are certainly welcome to bring 1 to 2 relatives or friends along with you to the clinic on the day of the procedure. However, we only allow clinical personnel in the theatre during the procedure.

 

Q. What will my vision be like immediately after the procedure?

Following Femto Bladeless LASIK and ReLEx SMILE surgery, vision improvement is virtually instantaneous (the so-called “wow effect”). Many patients say it’s like looking through a clear windscreen. With TransPRK, the visual improvements are more gradual, sometimes taking up to a week to reach their optimum level and stabilize.

 

Q. What is the importance of safety testing?

Every single surgery carried out must first pass a thorough safety check. This includes two separate checks of the laser equipment and instruments by nursing staff and then by the surgeon. Every time the laser is used, it is first tested on a calibration foil as a final check before starting the procedure. This feature enables the surgeon to test-drive the laser, in order to know how the beam will act when it touches the eye.

 

Q. What should I do when preparing for Laser Eye Surgery?

  • Remove all eye makeup and ensure your face and eyes are completely free from all makeup on laser day
  • Don’t wear perfume and hair spray
  • Wear comfortable clothing

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Q. What is keratoconus?

In Keratoconus astigmatism, a serious form of astigmatism, the cornea progressively thins towards its edges causing a cone-like bulge to develop and resulting in significant astigmatic impairment. In keratoconus Corneal Cross-linking (CXL) treatment is advised. After CXL the progression is further monitored for 9 months and thereafter every 6 months basis. If required a second CXL may be advised to help save the cornea depending on the individual’s needs.

CXL

 

Q. What are the options for keratoconus treatment?

Cross-linking (CXL) is a non-surgical treatment for keratoconus that strengthens the cornea by increasing the strength of the natural ‘molecular anchors’ within corneal tissue. In normal eyes, it is these anchors that give the cornea strength and prevent it becoming cone-like. The Cross-linking treatment stabilizes the keratoconic condition and helps to reverse any distortion that has already occurred.

 

Q. What is Corneal Cross-linking (CXL C3R)?

Cross-linking is a proven, non-invasive procedure that strengthens the weak corneal structure in keratoconus. This method works by increasing collagen Cross-linking, which are the natural “anchors” within the cornea. These anchors are responsible for preventing the cornea from bulging out and becoming steep and irregular (which is the cause of keratoconus).

The treatment involves custom-made riboflavin eye drops which are applied to the cornea, these eye drops are then activated by a special light. Laboratory and clinical studies demonstrate that this procedure increases the amount of collagen Cross-linking in the cornea and strengthens the cornea. In published European studies, researchers proved the safety and effectiveness of such treatments in patients.

The collagen Cross-linking with riboflavin has its roots in dermatology. Doctors looking for a way to strengthen sagging skin realized that triggering collagen Cross-linking was the way to achieve this. Cross-linking treatments stabilize keratoconus from getting worse as well as help patient reverse some or all of the keratoconus steepening that had already occurred up to the time of the treatment.

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