(ă-kū′ĭ-tē)
[Pronunciation]
[L. acuere, to sharpen]

1. Clearness, sharpness of a sensory function (i.e., visual acuity).
2. In emergency and critical care medicine, the severity of a hospitalized patient's illness and the level of attention or service he or she will need from professional staff.

Subentries:
distant acuity
near acuity
visual acuity