prism diopter


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Related to prism diopter: prism dioptre

prism diopter

[′priz·əm dī′äp·tər]
(optics)
A unit used in measuring the deviating power of a prism; this power in prism diopters is 100 times the tangent of the angle of deviation of a ray of light.
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The outcome measures were the near lateral and vertical phorias in prism diopters (PDs) in each of the nine gazes.
The patient had esotropia of 40 prism diopters and right eye abduction was graded as -4 (completely limited).
Table 9: Comparison of effect of Botulinum toxin in patents with different Aetiology Aetiology Pre-Treatment Deviation Post-Treatment Deviation in Prism Diopters (1week) in Prism Diopters DM 34.