Study protocol
| Examinations | Weeks | ||||||
|---|---|---|---|---|---|---|---|
| 0 | 4 | 8 | 12 | 16 | 20 | 24 | |
| Visual acuity | X | X | X | ||||
| Intraocular pressure | X | X | X | X | X | X | X |
| C/D ratio | X | X | |||||
| Visual field | X | X | |||||
| Cotton thread test | X | X | X | ||||
| Schirmer's test | X | X | X | ||||
| Tear clearance test | X | X | X | ||||
| Fluorescein score | X | X | X | ||||
| Rose bengal score | X | X | X | ||||
| Specular microscopy | X | X | X | ||||
| Anterior fluorometry | X | X | X | ||||
X indicates the timing when the examinations are performed.