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Epi-LASIK offers a faster visual recovery than with PRK, averaging three-five days for sufficient recovery as opposed to PRK, which often takes five to seven days for visual recovery to occur.
Both PRK and Epi-LASIK treat the surface of the cornea, but with PRK the surface layer of skin on the cornea is removed. This is not done with Epi-LASIK.
People having Epi-LASIK experience less swelling post-operative compared to PRK. Epi-LASIK also does not utilize alcohol in the surgical process like PRK does. In reality, Epi-LASIK takes the good things from PRK and eliminates the negatives.