Product name
Auto Refractometer Keratometer
Display monitor
6.4'' TFT LCD
Vertex Distance
0.0mm,12.00mm,13.5mm,15.00mm
Spherical
-20.00D~20.00D (VD=12mm step 0.12D/0.25D)
Cylinder
0.00D~10.00D(step 0.12D/0.25D)
Minimum pupil diameter
2.0mm
Radius of curvature
6.5mm~9.4mm(step 0.02mm)