Reply : Clinical and refractive outcomes after topography-guided refractive surgery planned using Phorcides surgery planning software.

The writers' reference results they have obtained suggesting that astigmatism measured by manifest refraction is superior to topographically measured astigmatism for surgical planning. This statement is the first sentence of a paragraph that explains how Phorcides calculates lenticular astigmatism. Reply: Clinical and refractive outcomes after topography-guided refractive surgery planned using Phorcides surgery planning software. [Extracted from the article]