/ Dictionary / Index R retinoscope: Meaning and Definition of Find definitions for: ret•i•no•scope Pronunciation: (ret'n-u-skōp"), [key] — n. Ophthalm. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. retinopathy retinoscopy Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language