Medical Dictionary

blind (blīnd)

  1. Unable to see; without useful sight.

  2. Having a maximal visual acuity of the better eye, after correction by refractive lenses, of one-tenth normal vision or less (20/200 or less on the Snellen test).

  3. Of, relating to, or for sightless persons.

  4. Closed at one end, as a tube or sac.

blind'ness n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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