Worldwide: +61 3 9584 6966 Tollfree USA: 1-800-345-1632 Cart Log in

ASSORT ORA Calculator

Welcome to the ASSORT Ocular Residual Astigmatism (ORA) Calculator.

This online calculator calculates the ORA from a corneal and a refractive measurement.

After the ORA calculation is complete, there is the option to continue with Vector Planning® using the same measurements.