Visual acuity (VA) commonly refers to the clarity of vision, but technically rates an examinee's ability to recognize small details with precisionVisual acuity is dependent on optical and neural factors, ie (1) the sharpness of the retinal image within the eye, (2) the health and functioning of the retina, and (3) the sensitivity of the interpretative faculty of the brainDeciphering your eye prescription should be less about how "bad" it is, and more about how vision correction can improve your eyesight The goal of glasses and contacts is always / vision, no matter what your prescription reads The numbers, decimals, pluses and minuses may seem like a language spoken only by eye doctors, but their meanings are more straightforward than youMany factors affect visual acuity Vision conditions, like nearsightedness, farsightedness, or astigmatism, or eye diseases affect clarity of vision
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