![]() This ability is compromised in people with myopia, also known as short-sightedness or near-sightedness. The most commonly referred-to visual acuity is distance acuity or far acuity (e.g., "20/20 vision"), which describes someone's ability to recognize small details at a far distance. Neural factors include the health and functioning of the retina, of the neural pathways to the brain, and of the interpretative faculty of the brain. Optical factors of the eye influence the sharpness of an image on its retina. ![]() Visual acuity depends on optical and neural factors. Visual acuity ( VA) commonly refers to the clarity of vision, but technically rates a person's ability to recognize small details with precision.
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