High-Speed Automatic Refractometer Keratometer Ark-4000 - Auto Eye Tracking, Motorized Chin Rest, <0.5s Measurement

High-Speed Automatic Refractometer Keratometer Ark-4000 - Auto Eye Tracking, Motorized Chin Rest, <0.5s Measurement. 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.