Inclusion Criteria:

1. Age ≥ 18 years, gender unrestricted;
2. Equivalent spherical refraction ≤ -10.0D, corrected distance visual acuity ≥ 1.0, myopia stable for ≥ 2 years, and no contact lens wear for at least 2 weeks;
3. The patient voluntarily participates in this study, signs the informed consent form, and agrees to follow up according to the study plan;
4. Predicted postoperative residual corneal stromal thickness ≥ 280 micrometers.

Exclusion Criteria:

1. Subclinical keratoconus, keratoconus, moderate to severe corneal opacities or scars, and other ocular conditions;
2. Diabetes, keloid-prone constitution, autoimmune and connective tissue diseases, etc.;
3. Severe mental disorders such as generalized anxiety disorder, panic disorder, depression, schizophrenia, and bipolar disorder; inability to cooperate with physicians;
4. Refusal to participate in the study.