keratomalacia

[kĕr′ə-tō-mə-lāshə]
n.
  1. A condition, usually in children with vitamin A deficiency, characterized by softening and subsequent ulceration and perforation of the cornea.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.