Product name
auto refractometer
Vertex distance
0mm, 12mm, 13.75mm
Memory of data
10 measure valure for each right and left eye
Sphere
-20 to +20D(VD=12) 0.125D step
Power suppy
90V-264V~ 50 Hz/60Hz
Comeal diameter )
2.0~14.0mm (increment 0.1mm
Pupil distance
45-88mm,1mm Step
K/R mode
Refractive and Keratometer measurement.