canthoplasty

[kănthə-plăs′tē]
n.
  1. The lengthening of the palpebral fissure by cutting through the external canthus.cantholysis
  2. Surgical restoration of the canthus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.