Fig. 14From: Multimodal diagnostics for keratoconus and ectatic corneal diseases: a paradigm shiftKeratograph 5M shows the unoperated right eye (OD) of a patient that developed ectasia in the contralateral left eye (OS) after unilateral laser in situ keratomileusis (LASIK). a The Placido rings; b–d The axial curvature topography with the Ambrósio-2 absolute scale (b), Klyce/Smolek absolute 1.5 D scale (c) and the absolute 0.5 D Atlas scale (d)Back to article page