keratometer

Refractometry
Vertex Distance (VD)	0.0, 12.0, 13.75
Sphere (SPH)	A-20~+20D (VD=12)
	(Increments: 0.12 and 0.25D)
Cylinder (CYL)	0.00~+10.00D
	(Increments: 0.12 and 0.25D)
Axis (AX)	1 ° ~ 180° (Increments:1°)
Cylinder Form	-,+,MIX
Pupil Distance (PD)	10 ~ 86mm
Minimum PD diameter	Ø 2.0mm
Keratometry
Radius Curvature	5.0 ~ 11.00 (Increments:0.01mm)
Corneal Power	30.5 ~ 67.5D
	When cornea equivalent refractive index is 1.3375
	(Increments: 0.12/0.25D)
Coneal Astigmastism	0.00 ~ -15.00D (Increments: 0.12/0.25D)
Axis	1° ~ 180° (increments: 1°)
Others
Memory of Data	3 measurements for each eye
Internal Printer	Thermal printer
Power Supply	AC 100-240V, 50/60Hz
Dimensions	484(L) x 282(W) x 440(H) mm
Weight	~20kgs