Final answer:
Visual acuity refers to the ability of the eye to distinguish fine details.
Step-by-step explanation:
The ability of the eye to distinguish fine details is called visual acuity. Visual acuity refers to the sharpness of focus and varies in relation to the position of the retina. The fovea, located in the center of the retina, has the greatest density of light receptors and the greatest acuity in the visual field.