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ASSORT SIA and Flattening Effect of Incisions Analysis Calculator

Welcome to the ASSORT SIA and Flattening Effect of Incisions Analysis Calculator.

This calculator performs single and group astigmatic analyses for cataract incisional treatments.

Two main astigmatic measures are analyzed, which can be grouped by incision meridian position: flattening/steepening effect and torque effect.

The traditional surgically induced astigmatism vector (SIA) is also analyzed into its component parts at any meridian on the eye.