Monitor 5.7 inch Color LCD Refractive measurement:
Vertex Distance:0.0,12.0,13.75, 15.0mm
Sphere: -20.00~+20.00D(0.12/0.25D step)
Cylinder: 0.00~+10.00D(0.12/0.25D step)
Axis: 1~180*(1*step)
Pupil Distance: 30~85mm
Min.pupil diameter measurable: C 2.0mm
Target: Automatic fogging target