2023-07-31 00:00:00Z
LASIK, which stands for Laser-Assisted in Situ Keratomileusis, is a popular and advanced surgical procedure used to correct common vision problems like nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. The goal of LASIK is to reduce a person's dependence on eyeglasses or contact lenses by reshaping the cornea – the clear front surface of the eye.
The procedure involves the use of a specialized laser to precisely remove a small amount of corneal tissue, altering the shape of the cornea and correcting the refractive error in the eye. Here's a general overview of the LASIK procedure:
Preoperative Evaluation: Before the surgery, the patient undergoes a comprehensive eye examination to determine their suitability for LASIK. The eye doctor will assess the corneal thickness, refractive errors, and overall eye health.
Anesthetic Eye Drops: To ensure comfort during the procedure, the surgeon administers numbing eye drops to the patient's eyes.
Corneal Flap Creation: In traditional LASIK, the surgeon creates a thin, circular flap on the cornea using a microkeratome (a mechanical device) or a femtosecond laser (a laser used for flap creation). The flap is lifted to expose the underlying corneal tissue.
Corneal Reshaping: The surgeon then uses an excimer laser, an ultraviolet laser that removes microscopic layers of corneal tissue with great precision, to reshape the cornea based on the patient's specific refractive error. For nearsightedness, the central cornea is flattened, and for farsightedness, it is steepened.
Flap Repositioning: After the cornea has been reshaped, the surgeon repositions the corneal flap back into its original position, where it adheres without the need for stitches.
Recovery: The cornea begins to heal immediately after the procedure, and patients may notice improved vision within a few hours to a few days. Full visual stabilization typically occurs within a few weeks.
LASIK is generally considered a safe and effective procedure, but it may not be suitable for everyone. It is essential for candidates to have stable vision and meet certain criteria before undergoing the surgery. If you are considering LASIK, it is crucial to consult with an experienced eye surgeon who can assess your individual eye health and determine if you are a suitable candidate for the procedure. Contact VisualEyes Optometrists, we can guide you through the preoperative evaluation and postoperative care to ensure the best possible outcome for your vision correction needs.
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