The distance between the center of each pupil, used in fitting eyeglass frames and lenses.
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- pupillary membrane,
- pupillary reflex,
- pupillary zone,
- pupillary-skin reflex,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.