ACUITY

• Eagle eye's asset

• Keen perception

• Keenness

• Keenness of perception

• Mental sharpness

• Sharp character

• Sharp-sightedness

• Sharpness

• Sharpness of perception

• Visual sharpness

• The visual ability to resolve fine detail (usually measured by a Snellen chart)

• A quick and penetrating intelligence

• Sharpness of vision