63
10.13 Classic keratoconus
This 4 Maps Selectable display shows a case of classic keratoconus in OD (Figure 74). Both
anterior and posterior elevations show a prominent island of positive deviation (maximal at +33 μm
anterior and +89 μm posterior) with an accompanying displacement of the pachymetry map (thinnest
reading 485 μm). The tangential curvature map also shows inferior steepening, but again does not
accurately locate the cone.
DIAGNOSIS - classic keratoconus
Figure 74: 4 Maps Selectable showing a case of classic keratoconus in OD
10 Screening for refractive surgery
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