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| Parameters | Characteristics |
| Age (a) | 27-65 (46.5±15.6) |
| Gender (F/M) | 2/54 |
| Course of disease (a) | 1.2-6.5 |
| Operation history (of the injured eyes) (Yes/No) | 33/23 |
| Binocular alkali burns (Yes/No) | 52/2 |
| Surgical method | Keratoplasty 2 eyes/artificial cornea transplant 54 eyes |
| Uncorrected visual acuity (UCVA) | Light perception (LP) -hand movement (HM) |
| Best corrected postoperative visual acuity | 0.05-0.8 |
