Measuring method: Placido cone Coverage:10.91mm(Diameter) Measuring range for curvature radius: 5.5mm-10.0mm Diopter range: 33.75D-61.36D Precision: ±0.02mm Placido rings: 31 rings Measurement points: 7,936 points Display axial curvature map, tangential curvature map, elevation map, imitated keratoscope map and 3D cornea map Image output: High-quality color inkjet printer Adjust range: left/right 86mm ; forward/backward 40mm ; up/down 30mm ; chinrest 5omm Cornea contact lenses fitting function Keratoconus detecting fu