LASIK – Laser Eye Surgery

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LASIK is a well-known laser eye surgery, which stands for laser in-situ keratomileusis. LASIK eye surgery focuses on correcting vision-related problems such as myopia, hyperopia and astigmatism. The surgery is done in order to treat these refractive errors so that patients can reduce or eliminate their use of contact lenses and eye glasses.

A highly specialized laser called an excimer laser is employed for a LASIK surgery. The procedure reshapes the cornea, which is the clear region covering the front of your eyeball. Although the excimer laser has been utilized for many years, LASIK surgery was developed around 1991 by Ioannis Pallikaris from Greece.

How does it work?

During the LASIK surgery, an eye surgeon starts by creating a thin and precise hinged flap from the cornea, with the use of a microkeratome. The flap is then pulled back in order to expose the corneal tissue underneath. The excimer laser is then used to reshape the cornea, to form a pre-specified and unique pattern for the patient. The flap is later repositioned gently without employing any stitches.

What to expect before a LASIK surgery?

This may vary depending upon your surgeon, however, the following will provide you a general overview about what to expect during the whole process.

Before any eye surgery, you need to go through a full eye examination with your eye doctor. During this process, the doctor will determine whether or not you are an ideal candidate for the surgery. You will also be told about the complications and risk factors associated with the surgery.

Moreover, there are certain measures you must stick to prior to an eye surgery. For example, you must not wear contact lenses several days before the surgery as this may alter the shape of your cornea and not give it enough time to readjust to its original form. This may give an inaccurate measurement before the surgery. Speak with your doctor about from when you must stop using contact lenses before the surgery.

Make sure your doctor is familiar with any medical and eye conditions you have experienced in the past and are suffering from in the present. If you are taking any medications, let your doctor know.

Be sure to mention any medical allergies, if you have any.

Ask any questions you have before the surgery to get things cleared up.

Avoid using cosmetic items such as makeup, lotions and cream on the day of the surgery as these may increase your risk of infection and affect the laser.

During the procedure

The procedure takes less than 30 minutes to complete on both eyes.

Your eyes will be treated with numbing eye drops and the regions around your eyes will be cleaned properly. You will be required to lie down and before the flap is created, a suction device will be used to fixate your eyeballs, during which you may feel some discomfort.

A microkeratome will then be used to create a flap on your cornea. The flap will be moved to expose the corneal layers underneath and the laser treatment will commence. The time for this procedure depends on the patient; however, this part usually takes about 60 seconds. When an appropriate amount of tissue has been removed, the flap will be repositioned without any stitches or bandages.

Side effects of LASIK

Patients may experience some discomfort during the first 1 to 2 days after the laser eye surgery. Other side-effects are very rare, but may include:

  • Appearance of halos surrounding the images
  • Glare
  • Dry eyes
  • Fluctuating vision
  • Problems associated with nighttime driving

Nonoperative measures to improve eyesight

It is important to note, that people with refractive errors should try natural means of improving their eyesight and see if these methods work before considering surgery. For many people, natural ways of improving eyesight such as eye exercises and nutrition for better eyesight (2020 vision) with an appropriate intake of the right vitamins and minerals works just as well as surgery. If natural treatment methods are ineffective and you want to improve your vision without the use of visual aids, then LASIK surgery can be considered.

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