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contact lens

one of a pair of small plastic disks that are held in place over the cornea by surface tension and correct vision defects inconspicuously.
Origin of contact lens
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for contact-lens

contact lens

a thin convex lens, usually of plastic, which floats on the layer of tears in front of the cornea to correct defects of vision
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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contact-lens in Medicine

contact lens n.
A thin plastic or glass lens that is fitted over the cornea of the eye to correct various vision defects.

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