Diagnostic Keratometer

Auto ref-keratometer


Model : AARK

  • Sphere (SPH) from -25D to +22D (When VD=12mm) Increments : 0.12D and 0.25D
  • Cylinder (CYL) from OD to ±10D (increments:0.12D and0.25D)
  • Cylinder Form -, +,MIX
  • Minimum Pupil Diameter to Ø2.0mm

Technical Specifications

Sphere(SPH)-25D to +22D(When VD=12mm)Increments:0.12D and 0.25D)
Cylinder(CYL)OD to ±10D(increments:0.12D and0.25D)
Axis(AX)1° to 180°(Increments:1°)
Cylinder Form-, +,MIX
Minimum Pupil DiameterØ2.0mm
Vertex Distance(VD)0.0,12.0,13.5mm
Pupil Distance(PD)10 to 85mm (Increments:1mm)


Radius of Curvature5.00 to 10.2mm(Increments:0.01mm)
Refraction Index1.3375, 1.332, 1.336
Corneal Power33.00 to 67.5D(Increments0.05/0.12/0.25D)
Corneal Astigmatism0D to -15D(Increment:0.05/0.12/0.25D)
Axis1° to 180°(Increments:1°)


Corneal Diameter2.0 to 12mm (increments:0.1mm)
Memory10 measurement for each eye
PrinterThermal Printer
Monitor7 inch LCD Color Monitor
Movable Distance of chinrest65mm
Data OutputUSB,Video Terminal and Bluetooth
AccessoriesModel eye
 Printer Paper
 Dust proof cover
 Chinrest Paper
 Operating Manual
 Power Supply Cable
Power SupplyAC100-240V,50/60Hz
Power Saver5 min