iridokinesis

[ĭr′ĭ-dō-kə-nēsĭs, -kī-, ī′rĭ-]

n.

The movement of the iris in contracting and dilating the pupil.

Related formsir′i•do•ki•netic (-nĕtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.