Overview

This study aims to evaluate the accuracy of corneal Young's modulus measurements (E\_Steady-State) obtained using a steady-state corneal biomechanical measurement device in patients scheduled to undergo refractive surgery and to explore their potential applications in assisting refractive surgical procedures.

Eligibility

Inclusion Criteria:

1. Best corrected visual acuity (BCVA) ≥ 20/20;
2. No other eye diseases except myopia and astigmatism;
3. The cornea was transparent, and there was no cloud or pannus;

Exclusion Criteria:

1. Corneal disease;
2. Ocular trauma;
3. Previous ocular surgery;
4. Any anterior segment diseases except cataract;
5. Patients were required to stop wearing soft contact lenses for at least 2 weeks and rigid contact lenses for at least 4 weeks before examination;
6. Pregnant and lactating women;