Eye surgery is also known as refractive surgery since the way we correct vision problems has evolved. For several decades people who suffered from nearsightedness, farsightedness or astigmatism relied on glasses or contact lenses to see clearly. However, thanks to great advances in medical technology, today it is possible to permanently correct these problems and enjoy clear, sharp vision without the need for any type of lens.
In this article you’ll find some eye operation options and the benefits they offer to those who want or need to undergo these procedures.
There are several types of refractive surgeries currently available, each one is designed to treat different visual problems. The most common procedures are LASIK (laser-assisted) surgery and PRK (photorefractive keratectomy) surgery.
LASIK and PRK
LASIK surgery is a technique that uses a laser to reshape the cornea, the transparent layer that covers the front of the eye. During this procedure, a thin flap is created in the cornea, which is raised to gain access to the underlying tissue.Posteriorly, an excimer laser is used to remove a small amount of corneal tissue, thereby correcting the shape of the cornea and improving the eye’s ability to correctly focus light. Finally, the flap is returned to its natural position without the need for stitches.
On the other hand, we have PRK surgery which also uses an excimer laser to reshape the cornea, however, unlike LASIK surgery, a flap is not created, instead the superficial layer of the cornea (called the epithelium) is removed. ) and finally the laser is applied to shape the cornea. As the cornea heals, the epithelium regrows naturally.
Benefits and Advantages
The operation and benefits of both LASIK and PRK surgery aim to change the shape of the cornea to improve the refraction of light in the eye, allowing light to focus more precisely and correctly on the retina, so that it can get a clearer vision as a result.
One of the main advantages of eye surgeries is that the results are quite fast and long-lasting. Most people experience a very significant improvement in their vision within a short time after surgery, and the effects are usually permanent. This means that it will no longer be necessary to rely on glasses or contact lenses to effectively perform daily activities.
It is important to mention that the eye operation is a completely safe and painless procedure since it is performed under local anesthesia, which means that the patient is awake during the procedure, without experiencing pain at any time; Recovery from this procedure is usually quick, and most people can return to their activities in a very short time.
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