Measuring method Placido cone
Coverage 0.25mm~11mm (Diameter)
Field of view 11mm H x 11mm V
Measuring range for curvature radius 6.35mm ~ 9.53mm
Diopter range 28.0 ~ 65.5D
Placido rings 32 rings
Measurement points 11, 520
Calibration ball R7.9375mm ± 0.001mm
Output Optional printer
