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A Visual Acuity Test is a simple yet essential assessment used to measure the sharpness or clarity of a person’s vision. It helps eye care professionals understand how well you can see objects at various distances. Visual acuity is the most common clinical measurement of how your eyes function. It's usually one of the first tests taken during a comprehensive eye exam to determine how sharp your vision is. Visual acuity (VA) commonly refers to the clarity of vision, but technically rates an animal's ability to recognize small details with precision. Visual acuity depends on optical and neural factors. Optical factors of the eye influence the sharpness of an image on its retina. 20/20 vision is a term used to express normal visual acuity; the clarity or sharpness of vision measured at a distance of 20 feet.
