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Vision Screening Chart

Vision Screening Chart - But what does that really mean? The phrase 20/20 vision means normal vision, explains j. Visual acuity depends on optical and neural factors. With elizabeth olsen, paul bettany, kathryn hahn, teyonah parris. Eyeglasses or contacts help you have 20/20 vision. 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 is the ability of your eyes to see objects clearly, without any visual aids, from 20 feet away. Vision is the special sense of sight that is based on the transduction of light stimuli received through the eyes. A cataract scatters and blocks the light as it passes through the lens. This prevents a sharply defined image from reaching your retina.

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