How do you calculate prism Decentration?
How do you calculate prism Decentration? The formula used to calculate the amount of prism is called Prentice’s Rule. The formula for Prentice’s Rule is: Prism (diopters) = Power (diopters) X Decentration (centimeters). Prentice’s Rule can be used to create prism in a lens. What is the Prentice rule? Prentice’s rule. The prism power of […]