Table 1.
Corneal Cross-Linking Settings Adopted in the Different Specimen Groups
| Group | No. | Irradiation |
|---|---|---|
| SCXL | 10 | 3 mW/cm2 for 30 min |
| ACXL1 | 10 | 9 mW/cm2 for 10 min |
| ACXL2 | 10 | 18 mW/cm2 for 5 min |
| ACXL3 | 10 | 30 mW/cm2 for 3 min |
| CO | 10 | Unirradiated but underwent epithelium removal and riboflavin instillation |