visual acquity

is Visual acuity testing? a very basic and a very important measure of how the visual system functions. is a normal visual acuity reading? What does it tell the doctor? a normal visual acuity reading of 20/20 tells the doctor volumes about how the eye is functioning. In order to see 20/20, the ocular media must be relatively clear, the fovea (central vision) must be healthy, the neural pathway to the brain must be operating well, and the visual cortex of the brain (perception) must functioning...