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Vector comparison of corneal curvature measurements between the IOLMaster and Javal-Schiötz keratometer and videokeratoscope
| Instrument | Function | Mean difference (mm) | 95% confidence limits |
| Javal | Mean k | −0.03 | 0.13 |
| J0 | 0.01 | 0.11 | |
| J45 | 0.00 | 0.06 | |
| EyeSys | Mean k | −0.06 | 0.07 |
| J0 | −0.01 | 0.08 | |
| J45 | −0.03 | 0.06 | |
