Table 3.
Participant demographic data and summary of ocular biometry.
| Participant parameters | Cirrus 5000, Carl Zeiss Meditec AG | Revo NX 130, Optopol Technology | RTVue-XR Avanti, Optovue Inc | Spectralis OCT2 module, Heidelberg Engineering |
|---|---|---|---|---|
| Number of participants (n) | 32 | 30 | 31 | 27 |
| Number of eyes | 32 | 30 | 31 | 27 |
| Age (y), mean (range) | 25 (21– 40) | 24 (18–30) | 33 (23–69) | 22 (18–33) |
| Gender (male:female, n) | 16:16 | 14:16 | 14:17 | 12:15 |
| Axial length [mm], mean (SD, range) | 25.83 (1.63, 20.43–28.08) | 24.56 (1.41, 22.23–28.12 | 24.32 (1.36, 21.45–27.88) | 25.71 (1.63, 23.17–28.44) |
| Cylinder non-cycloplegic [D], mean (SD, range) | -1.17 (0.65, -2.50 to -0.25) | -0.63 (0.67, -3.87 to +0.5) | -0.53 (0.76, -4.50 to +1.25) | -1.06 (0.97, -3.75 to 0) |
| Spherical equivalent non-cycloplegic [D], mean (SD, range) | -4.74 (2.97, -10.88 to +1.88) | -2.31 (2.81, -8.11 to +1.98) | -1.70 (2.37, -8.00 to +3.25) | -4.44 (3.1, -11.125 to +0.375) |
| Corneal curvature [mm], mean (SD, range) | 7.70 (0.35, 7.07–8.43) | 7.78 (0.29, 7.34–8.41) | 7.81 (0.27, 7.19–8.64) | 7.92 (0.18, 7.52–8.39) |