[ bē-tōz′ ]
Small grayish foamy triangular deposits on the conjunctiva adjacent to the cornea in the area of the palpebral fissure, associated with vitamin A deficiency.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.