visual acuity

In fact, human visual acuity is only about five to 10 times better than a jumping spider’s.

In goalball, for instance, players are all required to wear eyeshades so athletes with different levels of visual acuity can play together while maintaining the same level of competitive advantage.

Full visual acuity on both sides—in the first examination slight myopia - ·75 D. is specified, afterwards emmetropia.

Electronically-produced colors provided high visual acuity to a scene that depicted Cleveland in flames.

Nor did Hans possess anything like that high degree of visual acuity which had been attributed to him.