retinoscope

[ ret-n-uh-skohp ]
/ ˈrɛt n əˌskoʊp /

noun Ophthalmology.

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.

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Origin of retinoscope

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

Medical definitions for retinoscope

retinoscope
[ rĕtn-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.