Indications of laser surgery:
① 18-50 years old;
② Myopia
Astigmatism < 5.0D hyperopia < 6.0d.
③ Myopia is stable within 2 years;
④ The best corrected visual acuity of lens is above 0.5;
⑤ There are no eyes that affect wound healing.
Side effects of laser surgery
① insufficient refractive correction;
② Refractive regression phenomenon;
③ Halo phenomenon;
④ corneal opacity;
⑤ Dim vision decreased;