Ark-4000 Auto Keratometer Refractometer -Adjustable LCD, Fast Auto Tracking, Perfect for Refractive and Corneal Diagnosis

Ark-4000 Auto Keratometer Refractometer -Adjustable LCD, Fast Auto Tracking, Perfect for Refractive and Corneal Diagnosis. Color Temperature Adjustment. Bright & Uniform Illumination. Extremely Low Failure Rate. Convenient Focus Adjustment. Long LED Lifespan. Removable Sterilizable Handle Cover. Mobile Floor-Standing Design. Battery Backup. Hartmann Wavefront Imaging - ensures reliable and repeatable refractive and corneal measurements. Measurement time <0.5 seconds - speeds up patient flow and reduces waiting time.