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 called: skiascopy, shadow test
Derived forms
retinoscopic (ˌrɛtɪnəˈskɒpɪk)
adjective
retinoscopically (ˌretinoˈscopically)
adverb
retinoscopist (ˌretiˈnoscopist)
noun
retinoscopy in American English
(ˌrɛtənˈɑskəpi)
noun
a method for checking the proper refraction of the eye, in which the retina is illuminated with a retinoscope and observations are made of the reflected light rays