71
Figure 83: Show 2 Exams Topometric giving a false positive diagnosis of ectasia
Figure 84: Show 2 Exams Pachymetric showing a normal cornea
Compared with the specificity of artificial intelligence based indices for detecting ectasia, topometric
indices are fraught with high false positive rates, especially in cases with moderate keratometric
asymmetry and inferior steepening (Figure 83, Figure 84).
11 Corneal Thickness
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