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Eye laser treatment



Laser eye surgery is one of the most popular elective procedure in the world. There are several popular forms of laser eye treatment: LASIK (the most common) and PRK/LASEK (a pioneering treatment, uniquely available in Budapest.

These procedures use extremely precise lasers to reshape the cornea. This is the best way to correct vision, because the shape of the cornea determines the way light enters the eye.

Laser eye surgery removes small, very precise amounts of corneal tissue to subtly adjust the way light enters the eye; it is a safe and painless way of transforming vision and takes only minutes.

 

Short-sightedness (myopia) and long-sightedness (hyperopia)

Laser eye surgery is commonly used to treat both short-sightedness and long-sightedness. If your cornea is more curved than it should be, it bends (refracts) the light so that it focuses just in front of the cornea. This is known as short-sightedness, or myopia. If the cornea is flatter than it should be, the light converges just behind the cornea, causing long-sightedness, or hyperopia.

 

LASIK EYE SURGERY

LASIK is the most common form of laser eye surgery and is suitable for over 90% of patients. It offers the least discomfort and the fastest recovery time of any laser eye surgery. In fact, most patients can be back at work within 48 hours.

 

The LASIK procedure

Treating both eyes with LASIK surgery takes around 15 minutes. The eye surgeon uses either a computer-controlled instrument or a laser to create a very thin, circular flap of tissue in the outer cornea. This flap is folded back to expose the bed of the cornea, before the laser removes a precise, pre-set amount of corneal tissue. The flap is replaced, and is almost instantly held in place by the natural processes of the eye. In most cases, the flap will have effectively healed within a few hours.This flap is folded back to expose the bed of the cornea, before the laser removes a precise, pre-set amount of corneal tissue. The flap is replaced, and is almost instantly held in place by the natural processes of the eye. In most cases, the flap will have effectively healed within a few hours.

The benefits of LASIK eye surgery

Healing times for LASIK surgery are significantly shorter than PRK/LASEK. LASIK patients typically return to work and leisure activities within two or three days of their laser eye surgery. The improvement in vision is virtually instantaneous. And it is perfectly safe – indeed, it’s routine to treat both eyes with LASIK on the same day99.5% percent of LASIK patients (from -9.00D to +6.00D) meet the UK required standard for driving without glasses. However, a small number of LASIK patients – particularly those with higher prescriptions – still need glasses or contact lenses for some activities.

Frequently asked questions about Femto Lasik treatment

1. Is there a risk of poorer vision at night or contrast?

With the present laser apparatus where wide laser spots are used (6.5 to 9.0mm) there is no risk of poor night vision. On the contrary, the aspherical ablation through the laser improves contrast in the dark.

The diameter of the pupil is seldom a problem for treatment.

2. Will I have dry eyes after the treatment?

Dry eyes were certainly a common complication with the mechanical method. However, the use of the modern Femto Lasik appliance and adequate pre-operative preparation, the occurrence of dry eyes is now much less common. Temporary reduction in tear production is treated using synthetic tears and tear duct plugs.

3. I am extremely short sighted. Can I be treated?

Extreme short sightedness can certainly be treated. Myopia (short sightedness) up to -11 can be easily be treated by means of the thin flaps which are made by Femto Lasik laser. So much so that the alternative (phakik lens implants) are seldom needed.

4. What are the dangers of Lasik?

It is usually contact lens wearers who consider Lasik treatment. There are clear indications that Femto Lasik is safer as regards complications than the daily wearing of contact lenses. At present, the main real risk is the chance of needing further treatment. The risk is less than 1%.

5. Can my long sightedness and lens problems be cured by Lasik treatment?

The Wavelight instrument can treat hypermetropia up to 6D in a reliable manner. Similarly, presbyopia or reading problems can also be helped by Presby-Lasik or monovision strategy.

6. Is astigmatism correction by means of a laser reliable?

It goes without saying that even a high degree of astigmatism can be treated using Femto Lasik. The instrument which we use is up to 6D. In many cases, even with astigmatism, we achieve sharper vision after the operation than before the laser treatment.

7. I’ve heard that the Lasik operation only achieves temporary results.

This is a misconception, which has arisen as a result of the presbyopia which always occurs in middle age, and, obviously, also in patients who receive Laser treatment.

PRK/ LASEK EYE SURGERY

 

What is commonly known as LASEK eye surgery actually refers to a number of very similar forms of laser eye surgery: PRK, LASEK, Epi-LASEK. These procedures are all minor variations on the same surgical theme. They are what is known as surface procedures – varieties of the original form of laser eye surgery, known as excimer laser photorefractive keratectomy (PRK).

 

What is PRK/LASEK?

PRK laser eye surgery was introduced in the 1980s, and has successfully transformed the vision of millions of people. Since the early 1990s, it has evolved into what is now known as advanced PRK, or Advanced Surface Ablation (ASA). One condition PRK can be able to treat are corneal erosions.

In all surface procedures, instead of creating a flap, the surgeon removes the cornea’s outer skin (epithelium), and uses the same laser to reshape the exposed substance of the cornea. The surface skin then grows back over the next few days.

The benefits of PRK/LASEK laser eye surgery

Scientific comparison of these varieties of PRK has shown no differences between them in terms of results. However, studies have shown that advanced PRK offers slightly faster recovery, and slightly less discomfort than the others.

However, because the cornea’s surface is mechanically removed in PRK, the levels of discomfort and recovery times are both higher than with LASIK. Generally, your vision will be good enough to drive a car within two to three weeks following your LASEK eye surgery, but you may not achieve your best vision until between six weeks and three months after laser eye surgery.

Which treatment should you use?

As you know, refractive surgery with laser and implant lenses is an intricate subject. Our Clinic has at its disposal all the latest technology to achieve the best possible results. Your doctor will suggest to you in all objectivity which technique is the most suitable for your refraction problem and discuss it with you.

For a thorough evaluation we carry out preparatory tests with:

  • subjective and objective refraction recordings
  • keratometry and topography
  • pupillometry and wavefront recordings.

If various solutions are possible, your doctor will explain the benefits and disadvantages of each technique.

Please contact us for an initial exploratory appointment.

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