They exhibit incredibly keen eyesight for moving objects but aren't so adept at recognizing objects which stand in place. (pethelpful.com)
Having a precocious sense of smell and exceptionally keen eyesight, each dog was counted equal to two men, be it as guard of the chateaux, or as invaluable companion of shepherds. (igpr.org)
Over her career, through keen eyesight alone, Karachentseva has identified numerous dim galaxies on photographic plates. (discovermagazine.com)