Product name
Auto Refractometer Keratometer
Display monitor
8'' TFT LCD
Vertex Distance
0.0mm,12.00mm,13.5mm,15.00mm
Spherical
-25.00D~+22.00D (VD=12mm step 0.12D/0.25D)
Cylinder
-10.00D~+10.00D(step 0.12D/0.25D)
Minimum pupil diameter
2.0mm
Radius of curvature
5mm~10mm(step 0.02mm)