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mono- +‎ vision


monovision (uncountable)

  1. (ophthalmology) A treatment for presbyopia in which one eye is treated to improve distance vision and the other eye is treated to improve close-up vision
    a monovision effect
    • 2009, January 1, “Camille Sweeney”, in To Squint or to See the Light:
      Until recently, there wasn't much more one could do than to succumb to a pair of reading glasses, or try to correct the problem with either monovision contact lenses (one eye is corrected for distance, one for up close) or laser surgery .