bifocal

bifocal definition - medical

bi·fo·cal (bī-fōˈkəl, bīˈfōˌ-)

adjective
  1. Having two focal lengths.
  2. Having one section that corrects for distant vision and another that corrects for near vision.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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