/ Dictionary / Index M monovision lenses: Meaning and Definition of Find definitions for: mon'ovision lens'es Pronunciation: [key] contact lenses that adjust one eye for farsightedness and the other for nearsightedness, used as an alternative to bifocal lenses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monovision monoxide Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language