These technically-sound Auto Refractometers are designed with dual CCD camera and hi-resolution color LCD display to provide the best results. They are provided with wide measuring range owing to auto and manual mode of measurement. With corneal power in Diopter and corneal curvature in mm, they are sure to provide the desired results. These Auto Refractometers are designed with reliable as well as swift thermal printer for taking easy prints. Their efficient SMPS power supply system ensures perfect working over fluctuating voltage supply.