prism diopter

noun

: an arbitrary standard of prismatic deflection equal to that of a prism that deflects a beam of light one centimeter on a plane placed at a distance of one meter

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“Prism diopter.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/prism%20diopter. Accessed 24 Mar. 2023.

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