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contact lens

 - 4 dictionary results

contact lens

 
–noun
one of a pair of small plastic disks that are held in place over the cornea by surface tension and correct vision defects inconspicuously.
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Origin:
1885–90
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2010.
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World English Dictionary
contact lens
 
—n
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 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Medical Dictionary

con·tact lens definition

Pronunciation: /ˌkän-ˌtakt-/
Function: n
: a thin lens designed to fit over the cornea and usually worn to correct defects in vision
Merriam-Webster's Medical Dictionary, © 2007 Merriam-Webster, Inc.
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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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