Medical Dictionary
vernier acuity
noun ver·ni·er acuity \ˈvər-nē-ər-\
Medical Definition of VERNIER ACUITY
: the aspect of visual acuity that involves the ability to detect the alignment or lack of alignment of the two parts of a broken line (as in reading a vernier scale)—compare grating acuity, hyperacuity, stereoacuity
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