SMILE (Small Incision Lenticule Extraction) eye surgery differs from LASIK and PRK in several ways. SMILE is a minimally invasive procedure that uses a femtosecond laser to create a small incision in the cornea and remove a thin layer of tissue, called a lenticule, to correct vision. Unlike LASIK, which involves creating a larger corneal flap that is lifted to reshape the tissue underneath, SMILE avoids flap creation, making it less invasive. PRK, another alternative, removes the entire outer layer of the cornea before reshaping it with a laser, which leads to a longer healing time compared to SMILE and LASIK. Recovery from SMILE is typically quicker and less likely to cause dry eye compared to LASIK, while PRK has the longest recovery period as the outer corneal layer needs to regenerate. SMILE is often recommended for people with thin corneas or those prone to dry eye, making it a suitable alternative for individuals who may not be ideal candidates for LASIK. PRK, though effective, is usually reserved for those with thinner corneas or higher risks of eye trauma. Each procedure offers effective vision correction, but the best option depends on the individual’s eye condition and the recommendation of an eye surgeon.
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