Understanding The Lasik Eye Surgery

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LASIK or Lasik stands for Laser Assisted in Situ Keratomileusis and is a kind of refractive laser eye surgery that is performed to rectify eye related issues such as myopia, hyperopia, and astigmatism.

Lasik eye surgery doctors undertake additional qualifications to perform this procedure. In most cases they are trained ophthalmologists who have undergone additional certification in refractive surgeries.

Introduction To Lasik

In this medical procedure, the lasik eye surgery doctors use laser to reshape the cornea. Cornea is the clear, round dome in the front of the eye. Laser is used to improvise on the pattern in which the light rays are focused into the retina that is in the back of the eye. This improves the clearness of sharpness of the vision. There are other alternative methodologies for the same problem such as the Photorefractive keratectomy (PRK) but this procedure is the most preferred alternate. The most advantageous aspect of this procedure is that the pain is less compared to other procedures and the recovery span is much shorter.

Methodology Followed In Lasik

lasik eye surgery doctors perform this medical procedure under local anesthesia. They use an eyelid holder to ensure that the eyelids do not flap shut during the treatment. They also use a suction ring to lift the eyelids and flatten the cornea. This prevents the eyeballs from moving. Next, they create a thin flap in the cornea by either using a blade or through laser. The doctor further folds back the flap and remove a specified amount of corneal tissue from under the flap. He/She uses an exciplex laser to perform this activity. The flap is then placed back into its original position where it gets healed.

In the case of Myopic or nearsighted patients the cornea is too steep. This medical procedure is used to flatten the cornea. Similarly, in the case of hyperopic or farsighted patients the cornea is flattened and this procedure is used to sharpen it. This treatment is also used to rectify astigmatism. It is used to change an irregular cornea into a normal shaped cornea.

Side effects of Lasik Surgery

Some patients experience mild to severe side effects after the lasik eye treatment. Some of the side effects are light sensitivity in the eye, dryness, hazy or blurry vision, difficulty in night vision, glare, halos, dry eye, scratchiness, glare, starbursts around lights, discomfort, pain, and so on. In most patients, the side effects disappear after sometime. In certain rare cases the side effects are permanent and are something the patients have to live with the rest of their lives. In some cases doctors have to perform a follow-up operation to achieve the correct vision. The follow-up operation is required in patients who have had severe form of myopia, hyperopic, or astigmatism prior to this treatment.
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