optometer

[ op-tom-i-ter ]

/ ɒpˈtɒm ɪ tər /

noun

any of various instruments for measuring the refractive error of an eye.

Origin of optometer

First recorded in 1730–40; opto- + -meter

Words nearby optometer

optionee, option money, opto-, optoelectronics, optokinetic, optometer, optometrist, optometry, optomyometer, optophone, optotype

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for optometer

Now, the Javal-Bull optometer permits of a quick determination of the value of the amplitude of accommodation in dioptries.
Scientific American Supplement, No. 620, November 19,1887|Various
In using the optometer, find the place where vision of the dots is the easiest and most distinct.
Degeneracy|Eugene S. Talbot
Test with optometer, and in reporting use the number on the stem preceded by F for far-sightedness, and N for near-sightedness.
Degeneracy|Eugene S. Talbot

British Dictionary definitions for optometer

optometer

/ (ɒpˈtɒmɪtə) /

noun

any of various instruments for measuring the refractive power of the eye

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

Medical definitions for optometer

optometer

[ ŏp-tŏm′ĭ-tər ]

n.

An instrument for determining the refraction of the eye.

单词	optometer
释义	optometer [ op-tom-i-ter ] / ɒpˈtɒm ɪ tər / noun any of various instruments for measuring the refractive error of an eye. Origin of optometer First recorded in 1730–40; opto- + -meter Words nearby optometer optionee, option money, opto-, optoelectronics, optokinetic, optometer, optometrist, optometry, optomyometer, optophone, optotype Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for optometer Now, the Javal-Bull optometer permits of a quick determination of the value of the amplitude of accommodation in dioptries. Scientific American Supplement, No. 620, November 19,1887\|Various In using the optometer, find the place where vision of the dots is the easiest and most distinct. Degeneracy\|Eugene S. Talbot Test with optometer, and in reporting use the number on the stem preceded by F for far-sightedness, and N for near-sightedness. Degeneracy\|Eugene S. Talbot British Dictionary definitions for optometer optometer / (ɒpˈtɒmɪtə) / noun any of various instruments for measuring the refractive power of the eye 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 Medical definitions for optometer optometer [ ŏp-tŏm′ĭ-tər ] n. An instrument for determining the refraction of the eye. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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