retinoscopy

American  

[ret-n-os-kuh-pee, ret-n-uh-skoh-pee] / ˌrɛt nˈɒs kə pi, ˈrɛt n əˌskoʊ pi /

noun

Ophthalmology.

1. an objective method of determining the refractive error of an eye.

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retinoscopy British  

/ ˌrɛtɪnəˈskɒpɪk, ˌrɛtɪˈnɒskəpɪ /

noun

1. Also called: skiascopy.   shadow test.  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 rotated

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Other Word Forms

• retinoscopic adjective
• retinoscopically adverb
• retinoscopist noun

Etymology

Origin of retinoscopy

First recorded in 1880–85; retin(a) + -o- + -scopy

Example Sentences

Retinoscopy, ret′in-ō-skō-pi, n. examination of the retina with an ophthalmoscope.

From Project Gutenberg

He examined the 18,565 defectives by retinoscopy, and found that 11,209, or 21% of the whole, had ocular defects.

From Project Gutenberg

I examined the 18,565 defectives by retinoscopy, and found that 11,209, or 21 per cent. of the whole, had ocular defects.

From Project Gutenberg