Risk Factors for Progressive Suction Loss in Corneal Refractive Surgery

Analysis of Factors Associated With Threatened Aspiration in Patients Undergoing Small-incision Lenticule Extraction (SMILE) : Prospective Study

The goal of this Prospective observational studiesis to Characteristics of progressive suction loss.

The goal of this Prospective observational studiesis to Characteristics of progressive suction loss. The main question[s] it aims to answer are: • Characteristics of people who do not develop progressive aspiration Characteristics of people with progressive aspiration Participants will The differences between the two groups were compared

Inclusion Criteria:

1. Age ≥ 18 years;
2. Stable refractive state in the last 2 years, with yearly change in refractive power ≤ 0.50 D;
3. Spherical power ≤ -10.00D, cylindrical power ≤ -3.00 D;
4. Best Corrected Visual Acuity (BCVA) ≥ 16/20;
5. No use of corneal contact lenses two weeks before surgery.

Exclusion Criteria:

1. Eye diseases or histories beyond myopia and astigmatism, such as keratoconus;
2. Previous eye surgeries or histories of systemic illnesses;
3. Severe mental disorders like generalized anxiety disorder, panic disorder, depression, psychosis, and bipolar disorder, impeding cooperation with the doctor.