Product name
Lab EYE Optical Ophthalmic Ophthalmology Optometry Auto Refractometer
Sphere
-20~+20(VD=12)0.12D steps
Cylinder
-8~+8D 0.12D step
Pupil distance
45~85MM,1MM steps
Vertex distance
0MM.12MM,13.75MM
Minimum pupil size
DIA2.2mm,Auto fog,thermal printer
Display
5inch CRT monitor,100~120V/200~240V,50/60HZ