refers to the sharpness of vision based on the ability to see the contrasts in the world that represent lines , shapes, and shadows. Visual perspicacy Visual habituation Visual discrimination Visual acuity

Visual acuity

Explanation:

It is commonly referred tp as clarity of vision. Vision acuity is dependent on optical and neural factors

1. the sharpness of the retinal focus within the eye

2. the health and functioning of the retina

3. the sensitivity of the interpretative faculty of the brain

c. reserves power to the states and people