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.

retinoscopy

/ ˌrɛtɪnəˈskɒpɪk; ˌrɛtɪˈnɒskəpɪ /

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 rotated Also calledskiascopyshadow test

Derived Forms

• ˌretinoˈscopically, adverb
• ˌretiˈnoscopist, noun
• retinoscopic, adjective

Other Words From

• ret·i·no·scop·ic [ret-n-, uh, -, skop, -ik], adjective
• reti·no·scopi·cal·ly adverb
• reti·nosco·pist noun

Word History and Origins

Origin of retinoscopy¹

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