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Auto refractometer/Keratometer

An auto refractometeris used to check the convergence of light after entering the eyeball. It uses the state of the emmetropia as the standard to measure the degree of difference in vergence and dispersion between the inspected eye and the emmetropia. Some of our auto refractometer with the keratometer, the keratometer uses the reflective properties of the cornea to measure the radius of curvature of the cornea.