• synonyms
trifocal lens in Medicine

trifocal lens

([object Object])
  1. A lens having one section that corrects for distant vision, a second section that corrects for intermediate vision, and a third 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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