A condition in which it is difficult or impossible to close the eyelids completely.
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 lagophthalmia
Historical Examples of lagophthalmia
Lagophthalmia, lag-of-thal′mi-a, n. inability to close the eye.