bi-focal

Medical Dictionary

bifocal bi·fo·cal (bī-fō'kəl, bī'fō'-)
adj.

  1. Having two focal lengths.

  2. Having one section that corrects for distant vision and another that corrects for near vision.

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