[ awr-thop-tiks ]
/ ɔrˈθɒp tɪks /
noun (used with a singular verb)
a method of exercising the eye and its muscles in order to cure strabismus or improve vision.
Origin of orthoptics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
/ (ɔːˈθɒptɪks) /
(functioning as singular) the science or practice of correcting defective vision, as by exercises to strengthen weak eye muscles
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
[ ôr-thŏp′tĭks ]
The study and treatment of defective binocular vision, of defects in the action of the ocular muscles, or of faulty visual habits.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.