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retinoscopy

[ret-n-os-kuh-pee, ret-n-uh-skoh-pee]
noun Ophthalmology.
  1. an objective method of determining the refractive error of an eye.
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Origin of retinoscopy

First recorded in 1880–85; retin(a) + -o- + -scopy
Related formsret·i·no·scop·ic [ret-n-uh-skop-ik] /ˌrɛt n əˈskɒp ɪk/, adjectiveret·i·no·scop·i·cal·ly, adverbret·i·nos·co·pist, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for retinoscopy

retinoscopy

noun
  1. ophthalmol a procedure for detecting errors of refraction in the eye by means of an instrument (retinoscope) that reflects a beam of light from a mirror into the eye. Diagnosis is made by observing the areas of shadow and the direction in which the light moves when the mirror is rotatedAlso called: skiascopy, shadow test
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Derived Formsretinoscopic (ˌrɛtɪnəˈskɒpɪk), adjectiveretinoscopically, adverbretinoscopist, noun
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

retinoscopy in Medicine

retinoscopy

(rĕt′n-ŏskə-pē)
n.
  1. A method of detecting errors of refraction of the eye by illuminating the retina and noting the direction of movement of the light on the retinal surface.pupilloscopy shadow test skiascopy
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Related formsret′i•no•scopic (-ə-skŏpĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.