Handheld Digital Auto-refractometer
Description
  • Quick: Automatic and convenient. Press the button at the working distance (35cm/14in) and that’s it. The result will be automatically shown in 5 seconds.
  • Accurate: Objective measurement of diopter is obtained from optical signal. The result is not affected by various external factors.
  • Intelligent: Detects multiple eye problems in one measurement including myopia, hyperopia, astigmatism and anisometropia