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Median BCVA (inter-quartile range) in hypotonic, isotonic and accelerated CXL group at 12 months follow-up
| Pre-op | 12 months | P value | |
| Hypotonic | 0.18 (0-0.3) | 0.1 (0-0.18) | <0.05 |
| Isotonic | 0.1 (0-0.3) | 0.1 (0-0.18) | 0.005 |
| Accelerated | 0.1 (0-0.3) | 0.0 (0-0.18) | <0.05 |
