- A rolling outward of the margin of a body part, especially an eyelid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for ectropion
The operation may also be applied to ectropion of the lower lid.
(ii) To help maintain the lid in position after ectropion operations.
Cicatricial contraction after severe burns may lead to marked deformities of the eyelids (ectropion), mouth, and nose.
The degree of ectropion, whether it is partial, affecting merely the lid margin; or complete, affecting the whole lid.
Ectropion may affect the upper lid, but it occurs far more frequently in the lower.