prism diopter

noun Optics.

a unit of prismatic deviation, in which the number one represents a prism that deflects a beam of light a distance of one centimeter on a plane placed normal to the initial direction of the beam and one meter away from the prism.

Nearby words

  1. prishtina,
  2. prisiadka,
  3. prism,
  4. prism bar,
  5. prism binocular,
  6. prism spectrometer,
  7. prismatic,
  8. prismatic compass,
  9. prismatic layer,
  10. prismatic telescope Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for prism diopter

prism diopter


The unit measuring the deflection of light passing through a prism equal to a deflection of 1 centimeter at a distance of 1 meter.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.