Skip to main content
. 2019 Jun 27;10(7):3663–3680. doi: 10.1364/BOE.10.003663

Table 1. Precision and reproducibility of computed parameters.

Parameter No Eye Retraction Correction
With Eye Retraction Correction
ICC Grand Mean ± SD CoV [%] ICC Grand Mean ±
SD
CoV [%]
Biometry before air puff [mm] CCT 0.8797 0.567 ± 0.012 2.13 0.8796 0.567 ± 0.013 2.13
ACD 0.9914 2.885 ± 0.079 2.72 0.9984 2.895 ± 0.035 1.19
LT 0.9979 4.126 ± 0.041 0.98 0.9979 4.126 ± 0.041 0.98
VCD 0.9998 17.057 ± 0.049 0.29 0.9998 17.057 ± 0.049 0.29
AL 0.9998 24.635 ± 0.058 0.23 0.9998 24.635 ± 0.058 0.23

Biometry at maximum deformation [mm] CCTpuff 0.8423 0.559 ± 0.012 2.13 0.8370 0.559 ± 0.012 2.06
ACDpuff 0.9935 2.081 ± 0.076 3.62 0.9963 2.032 ± 0.055 2.67
LTpuff 0.9979 4.167 ± 0.042 0.98 0.9977 4.106 ± 0.043 1.04
VCDpuff 0.9998 17.057 ± 0.048 0.28 0.9998 16.951 ± 0.052 0.30
ALpuff 0.9998 23.864 ± 0.058 0.24 0.9998 23.645 ± 0.057 0.24

Deformation [mm] Anterior Cornea 0.9573 1.133 ± 0.060 5.3 0.9634 0.991 ± 0.054 5.4
Posterior Cornea 0.9565 1.125 ± 0.061 5.4 0.9595 0.983 ± 0.058 5.8
Anterior Lens 0.8707 0.320 ± 0.042 12.7 0.9595 0.126 ± 0.018 14.2
Posterior Lens 0.8917 0.361 ± 0.041 11.2 0.9409 0.107 ± 0.022 20.3

Compression [mm] CCT 0.3221 0.008 ± 0.014 169.5 0.3166 0.007 ± 0.013 171.2
ACD 0.9196 0.804 ± 0.057 7.0 0.9622 0.863 ± 0.041 4.8
LT 0.6080 −0.041 ± 0.020 47.2 0.0447 0.020 ± 0.015 70.0
VCD 0.8189 −0.0005 ± 0.0310 5550 0.9365 0.105 ± 0.024 22.3
AL 0.9402 0.771 ± 0.047 6.0 0.9620 0.990 ± 0.055 5.5

Hysteresis [mJ] Cornea HA 0.6756 27.6 ± 6.7 24.2 0.5977 12.6 ± 3.6 27.9

Temporal characteristics [ms] tv1 0.9131 10.49 ± 0.47 4.39 0.9179 11.54 ± 0.43 3.64
tv2 0.7449 25.05 ± 0.57 2.24 0.5025 24.47 ± 0.44 1.76
Δtv 0.8963 14.56 ± 0.81 5.55 0.8473 12.93 ± 0.45 3.43
tacc1 0.9488 8.24 ± 0.38 4.51 0.9147 9.44 ± 0.38 3.99
tacc2 0.8555 27.24 ± 0.56 2.03 0.9497 28.19 ± 0.43 1.50
Δtacc 0.9398 19.01 ± 0.67 3.49 0.9536 18.75 ± 0.65 3.43

ICC – intraclass correlation coefficient, CoV – coefficient of variation