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Mean central corneal curvature (K) and best corrected visual acuity (BCVA) at first and last examinations.
| First examination | Last examination | Years in between | P value | |
|---|---|---|---|---|
| Mean K (SD) in mm | 6.87 (±0.65) | 6.56 (±0.74) | 28.7 (±6.9) | <0.001 |
| In dioptres | 48.77 (±5.1) | 51.09 (±4.49) | ||
| Mean BCVA in decimal | 0.65 (±0.24) | 0.61 (±0.18) | 28.7 (±6.9) | =0.25 |
| In metres | 6/9.2 | 6/9.8 |
