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retinoscope

[ret-n-uh-skohp] /ˈrɛt n əˌskoʊp/
noun, Ophthalmology
1.
an apparatus that determines the refractive power of the eye by observing the lights and shadows on the pupil when a mirror illumines the retina; skiascope.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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retinoscope in Medicine

retinoscope ret·i·no·scope (rět'n-ə-skōp')
n.
An optical instrument for examining refraction of light in 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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