SMILE, or small incision lenticule extraction, treats both nearsightedness and astigmatism. A laser then reshapes the cornea and the flap is repositioned with a contact lens in place to help the healing. During the procedure the epithelium is detached, moistened with a diluted alcohol solution, and folded back. It is used to treat astigmatism, nearsightedness, or farsightedness. LASEK (laser epithelial keratomileusis) is a version of PRK. If you have thin or flat corneas, LASEK is one of the best alternatives to LASIK. You have an autoimmune condition that can affect your ability to heal.You have a serious condition that affects the eye.

You have chronic allergies that affect your eyelids.

But similar to LASIK, not everyone is eligible for PRK. Unlike LASIK, PRK does not require cutting a flap in the cornea. The main difference between the two procedures is healing time: the eyes take about a month to heal from PRK surgery, while LASIK recovery is just a few days. PRK is a great alternative to LASIK for people who have thin corneas. Lasers are used to reshape the layer underneath the epithelium to adjust the curvature. The difference is what layer of the cornea the laser is affecting. The exact same laser is used with PRK and LASIK. With PRK your eye surgeon removes the top layer of the cornea, which is known as the epithelium. Similar to LASIK, photorefractive keratectomy (PRK) is used to reshape the cornea of your eye. Still, there are a variety of alternatives to LASIK surgery available to people who may not qualify, as well as for those who may want to try something different. While LASIK can be effective in eliminating the need for glasses or contact lenses, not everyone is eligible for the procedure.

LASIK, which stands for laser in-situ keratomileusis, is a type of surgery that uses lasers to treat vision problems that are caused by refractive errors (meaning your eye does not bend light properly). Anyone who knows the daily routine of waking up to a blurry world has heard of the power of LASIK.

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