In laser eye surgery procedure, correction of vision problems is carried out with the help of an excimer laser. Highly effective and less complicated, laser eye surgery is a better alternative to conventional eye operation. Read on, to know about certain procedures of laser eye surgery...
Laser eye surgery is a new and improved procedure to correct eye problems, especially those related to refractive errors. As the name indicates, it involves the use of appropriate laser beam for vision correction. The candidates for laser eye surgery procedure are those who are diagnosed with near-sightedness (myopia), far-sightedness (hyperopia) and astigmatism. In fact, it is a reliable alternative for people who depend on eyeglasses and contact lenses for achieving clear vision.
Laser Eye Surgery Procedure: Explained
Depending on the methodology followed and the treatment approach, there are several types of laser eye surgery, such as LASIK, LASEK, PRK and so on. Prior to starting laser eye surgery, the doctor will examine the eye problem first. And the correct procedure of laser eye surgery suited for the candidate is determined by the ophthalmologist, based on the existing vision problem, risk factors and affordability. Several preparatory steps are suggested for the patient before surgery. Explained below is a brief information about laser eye surgery procedures:
LASIK Eye Surgery Procedure
Laser-Assisted in Situ Keratomileusis (LASIK) is the most frequently conducted type of laser eye surgery. During a LASIK procedure, the patient is given sedatives and anesthetic eyes drops. Following this, the eye is immobilized and a flap is made in the cornea by using a mechanical microkeratome. The flap is folded to get access to middle portion (stroma) of cornea. An excimer laser is used to reshape the cornea, and the flap is placed in the original position. The flap will heal and vision will improve within a few weeks after surgery.
PRK Eye Surgery Procedure
PRK stands for Photorefractive Keratectomy and is excellent for patients who have a relatively thin cornea. In this laser eye surgery procedure, the outer layer of cornea is scrapped manually. Using an excimer laser, the cornea (stromal layer) is reshaped for achieving clear vision. The major concern with PRK eye surgery is a longer recovery period. In the post-operative period, self-care tips are followed to promote growth of epithelium layer and also, to quicken healing process. You can refer to laser eye surgery for astigmatism for better understanding.
LASEK Eye Surgery Procedure
The long form for LASEK is Laser Assisted Sub-Epithelial Keratomileusis. This type of laser eye surgery procedure is slightly identical to PRK surgery. The only difference is that an alcoholic formulation is administered before scrapping the outermost layer of cornea. The solution aids in softening the layer, which is then removed gently. After shaping the stroma with the help of excimer laser, the epithelium is replaced properly. Advantages of LASEK eye surgery are quick recovery and lesser risks, as no corneal flap is created during the procedure.
Epi-LASIK Eye Surgery Procedure
Despite the name epi-LASIK, it is a slight modification of LASEK laser eye surgery procedure. In this laser eye treatment, the surgeon places an epithelial separator (basically a plastic blade) just below the epithelium layer. This helps in protecting the outer layer from getting affected by the alcohol solution. Once the stroma reshaping and correction are completed, with an excimer laser. The separator is removed and the epithelial layer is placed in its original position. This way epi-LASIK eye surgery procedure is done.
In comparison to conventional operation, laser eye surgery is less invasive and ensures quick recovery of patients with impressive results. If you are fed up of wearing contact lenses and have been planning to undergo laser eye surgery procedure, then make it a point to discuss the types of procedures. You can weigh laser eye surgery risks and benefits and decide which procedure will be best for you.
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