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10 paź 2024 · A visual acuity score results from a visual acuity test performed by an optometrist or ophthalmologist during an eye exam. Visual acuity scores are usually written as a fraction. These test results describe your ability to see an object 20 feet away compared to a person with normal 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 depends on optical and neural factors. Optical factors of the eye influence the sharpness of an image on its retina.
1 mar 2022 · Visual acuity is the ability of your eyes to distinguish between objects that you see when standing at a specific distance. Learn how eye doctors measure it, what it means for your vision, and how often you should get tested.
25 cze 2019 · Visual acuity is the clarity of your eyesight, measured by your ability to identify letters or numbers on a standardised eye chart. Learn how visual acuity differs from eyesight and vision, and how to achieve better than 20/20 vision with contact lenses or laser surgery.
10 lip 2023 · Visual acuity is the clarity of vision when measured at a distance of 20 feet. Learn more about what it means, how it's tested, and more.
8 lis 2022 · Your eye care specialist will perform a visual acuity test each time you visit them to track any changes in your vision. A visual acuity test can help diagnose common conditions that affect your vision, including: Nearsightedness (myopia). Farsightedness. Astigmatism. Presbyopia. Color blindness.
20 sty 2022 · Visual acuity measures how sharp your vision is at a distance. It is usually tested by reading an eye chart and written as a fraction, such as 20/20. Learn more about visual acuity tests, results and factors that affect your vision.
