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Visual acuity

en.wikipedia.org/wiki/Visual_acuity

Visual acuity (VA) commonly refers to the clarity of vision. Visual acuity is dependent on optical ... Visual acuity is typically measured while fixating, i.e. as a measure of central (or foveal) vi...

What Does 20/20 Mean? - EyeCare Associates of East Texas

www.eyecaretyler.com/resources/how-the-eye-works/what-does-2020-mean/

Visual acuity is usually measured with a Snellen chart. The Snellen chart displays letters of progressively smaller size. "Normal" vision is 20/20. This means that ...

20/20 Vision: Is It Perfect Eyesight? - AllAboutVision.com

www.allaboutvision.com/eye-exam/2020-vision.htm

If you have an eye exam and are told you have 20/20 vision, does this mean you ... Visual acuity is measured by your ability to identify letters or numbers on a ...

eye - What are the different eyesight measures and how are they ...

health.stackexchange.com/questions/957/what-are-the-different-eyesight-measures-and-how-are-they-related-to-each-other

May 13, 2015 ... While searching about laser surgery for my myopia, I came across different system to measure the quality of individuals' eye sight.

Vision measurement - Vision Training

www.vision-training.com/en/Vision test/Vision measurement.htm

The 20/20 label is a relative measurement of how well you see. If you can see a 9 mm letter at a distance of 6 meters (20 feet) then you have 20/20 vision.

Free Eye Chart - Download, Print, Test | Vision Source

visionsource.com/patients/free-eye-chart-download/

Searching for a free eye chart to test your vision at home? ... or tape the chart to a windowless wall in a well-lit room at eye level; Measure ten feet from the wall ...

Low Vision Resources Center — How Visual Acuity Is Measured

lowvision.preventblindness.org/eye-conditions/how-visual-acuity-is-measured/

Oct 6, 2003 ... by Wendy Strouse Watt, O.D.. October 2003. This information is also available as part of an audiovisual presentation, “All About Eyeglasses”.

Visual Acuity: What is 20/20 Vision?

www.aoa.org/patients-and-public/eye-and-vision-problems/glossary-of-eye-and-vision-conditions/visual-acuity

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. If you have 20/20 vision, you can ...

Vision tests - Vision Australia

www.visionaustralia.org/eye-health/vision-tests

Visual acuity tests. Visual acuity tests measure the ability to see fine detail. ... It uses capital letters of different sizes to test vision in literate adults. The test is ...

How to Measure Your Vision at Home: 9 Steps (with Pictures)

www.wikihow.com/Measure-Your-Vision-at-Home

How to Measure Your Vision at Home. As you have probably noticed during your visits to the eye doctor one of the first tests he makes you take is reading the ...

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Eye Test - The Eye Chart and 20/20 Vision Explained

www.allaboutvision.com

During an eye test, eye doctors use eye charts to measure how well you see in the distance, compared with other human beings. The classic example of an eye  ...

Low Vision and Legal Blindness Terms and Descriptions ...

www.visionaware.org

Visual acuity is a number that indicates the sharpness or clarity of vision. A visual acuity measurement of 20/70 means that a person with 20/70 vision who is 20 ...

How the 20/20 Vision Scale Works - Today I Found Out

www.todayifoundout.com

Dec 31, 2013 ... So what exactly are eye doctors measuring, and how can the scale be ... So, if you take someone with 20/20 vision and put them 200 feet away ...