Table 4.
Factor analysis of the corneal deformation response curve. Factors are shown on top in the order in which they were extracted (as described in Section 2). Corneal descriptor loadings are summarized for each factor.
| Factor | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Name | Peak2 | Peak1 | OverallPeak1 | OverallPeak2 | Conventional | OverallWaveform | Peak1Extra |
| % of Variance | 27.7 | 22.0 | 12.1 | 8.7 | 7.8 | 4.1 | 3.8 |
|
| |||||||
| Cumulative % | 27.7 | 49.8 | 61.9 | 70.6 | 78.3 | 82.5 | 86.3 |
|
| |||||||
| CH | 0.907 | ||||||
| CRF | 0.919 | ||||||
| timeout | 0.801 | ||||||
| timein | 0.618 | 0.504 | |||||
| aplhf | 0.671 | ||||||
| bindex | 0.656 | −0.531 | |||||
| mslew2 | 0.945 | ||||||
| aspect2 | 0.944 | ||||||
| slew2 | 0.938 | ||||||
| aspect21 | 0.937 | ||||||
| uslope2 | 0.933 | ||||||
| h2 | 0.905 | ||||||
| dslope2 | 0.905 | ||||||
| dslope21 | 0.893 | ||||||
| uslope21 | 0.848 | ||||||
| dive2 | 0.832 | ||||||
| w2 | −0.691 | ||||||
| p2area1 | 0.539 | 0.740 | |||||
| p2area | 0.512 | 0.744 | |||||
| w21 | −0.594 | 0.663 | |||||
| path2 | −0.790 | ||||||
| path21 | −0.746 | ||||||
| uslope11 | 0.839 | ||||||
| uslope1 | 0.881 | ||||||
| slew1 | 0.892 | ||||||
| mslew1 | 0.901 | ||||||
| dslope1 | 0.790 | ||||||
| dslope11 | 0.727 | ||||||
| aspect1 | 0.897 | ||||||
| h1 | 0.825 | ||||||
| dive1 | 0.829 | ||||||
| aspect11 | 0.875 | ||||||
| p1area | 0.511 | 0.780 | |||||
| path11 | −0.865 | ||||||
| p1area1 | 0.813 | ||||||
| path1 | −0.917 | ||||||
| w11 | 0.801 | ||||||
| w1 | 0.599 | ||||||
| aindex | 0.681 | ||||||