Nidek ARK-1 Auto Ref/ Keratometer -


The superior Auto-Refractometer and Keratometer

Surpassing a conventional auto-refractor and keratometer, with technologically enhanced functions generating greater accuracy and clinical information.


  • Accurate Refraction Measurement
    • Large pupil zone imaging method
    • Super luminescent diode and highly sensitive CCD
    • Optimal fogging to minimize accommodation


  • Keratometry Measurement with Mire Ring


  • VA Measurement with glare test
    • VA Measurement with built in charts and lenses
    • Recall function for instant vision comparisons
    • Contrast and Glare Test


  • Simple Opacity Assessment


  • Patient-friendly Accommodation Measurement
    • Accommodation measurement with artificial intelligence algorithm
    • Measurement with astigmatism correction
    • Assessment for intermediate or near vision lens