It avoids all flap-related complications associated with LASIK, and has less postoperative pain and faster recovery than PRK.
此手术避免了LASIK手术与角膜瓣相关的并发症，同PRK相比，术后回退发生率更低恢复更快。
2
Photorefractive keratectomy (PRK). PRK is sometimes used if you have a low to moderate degree of nearsightedness or farsightedness, or if you have nearsightedness with astigmatism.
屈光性角膜切除术(PRK)：当你有低于中等度数的近视或者远视，或者近视加散光，有时会选择prk。
3
LASIK is being done more frequently than PRK, largely because of the good results and the quicker visual recovery that LASIK offers.