Efficacy study at 1 year: corneal cystine crystal score (CCCS) changes from baseline
| Standard formulation | New formulation | |
|---|---|---|
| *p=0.04. | ||
| ≥1 unit improvement* | 7 (47%) | 1 (7%) |
| <1 unit improvement | 4 (27%) | 2 (13%) |
| No change | 3 (20%) | 7 (47%) |
| <1 unit worsening | 1 (7%) | 5 (33%) |
| ≥1 unit worsening | 0 (0%) | 0 (0%) |
| Total | 15 | 15 |