/ Dictionary / Index O ophthalmo-: Meaning and Definition of Find definitions for: ophthalmo- Pronunciation: [key] a combining form meaning “eye,” used in the formation of compound words: ophthalmology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ophthalmitis ophthalmodynamometer Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language