monovision en · NOUN
Etymology
Etymology tree Ancient Greek μόνος (mónos) Ancient Greek μονο- (mono-)der. English mono- English vision English monovision From mono- + vision.
Meanings
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(uncountable) 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
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 .
2009 January 1, Camille Sweeney, “To Squint or to See the Light”, in New York Times: