Research Article
Comparison of Two Different Scheimpflug Devices in the Detection of Keratoconus, Regular Astigmatism, and Healthy Corneas
Table 6
Interdevice differences of the two devices in healthy corneas.
| | Pentacam | Sirius | values | | Mean ± SD |
| Pachymetry (µm) | | | | Apex | 554.83 ± 42.85 | 588.23 ± 69.03 | <0.0001 | Thinnest point | 549.44 ± 38.34 | 539.35 ± 45.43 | <0.0001 | Keratometry ant. surface (mm) | | | | 3 mm flat meridian | 7.836 ± 0.318 | 7.793 ± 0.324 | <0.0001 | 3 mm steep meridian | 7.708 ± 0.316 | 7.661 ± 0.334 | <0.0001 | 5 mm flat meridian | 7.878 ± 0.320 | 7.797 ± 0.323 | <0.0001 | 5 mm steep meridian | 7.747 ± 0.314 | 7.678 ± 0.328 | <0.0001 | 7 mm flat meridian | 7.999 ± 0.332 | 7.830 ± 0.325 | <0.0001 | 7 mm steep meridian | 7.852 ± 0.309 | 7.711 ± 0.322 | <0.0001 | Keratometry back surface (mm) | | | | 3 mm flat meridian | 6.571 ± 0.436 | 6.669 ± 0.561 | <0.0001 | 3 mm steep meridian | 6.295 ± 0.336 | 6.264 ± 0.429 | 0.337 |
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