Web Results

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) vision, for the reason that it is highest there. However ...

www.allaboutvision.com/eye-test

During an eye test, eye doctors use eye charts to measure how well you see in ... 20/20 vision is considered "normal" vision, meaning you can read at 20 feet a ...

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

To answer these questions, let's take a closer look at vision-related terminology to fully understand how eye doctors measure the quality of your vision.

www.visionaware.org/info/your-eye-condition/eye-health/low-vision/low-vision-terms-and-descriptions/1235

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 ...

vu.ca/en/how-do-eye-doctors-measure-vision-during-an-eye-exam

Oct 28, 2015 ... Optometrists use various techniques to measure your eyesight. Read about the techniques used by the Vu team.

www.todayifoundout.com/index.php/2013/12/2020-vision-scale-works

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 ...

www.vision-training.com/en/Vision%20test/Vision%20measurement.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.

www.webmd.boots.com/eye-health/guide/visual-acuity

Visual acuity describes how well you see detail with your central vision. This is usually measured using a special chart with rows of letters that start with one big  ...

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

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

commonwealtheyes.com/2020-vision-2010-vision-2040-vision-what-do-all-these-numbers-actually-mean

Commonwealth Eye Surgery can perform procedures to get you 20/20 vision. What does ... For example, if you measured the E at 2 inches, you would need to sit ...