What Is a Visual Acuity Test?

eye exam

A visual acuity test is one of the most important parts of an eye exam . This tests helps your eye doctor determine if your vision is compromised and to what extent. When you visit your eye doctor near Derry for an exam, this is one of the tests you can almost certainly expect to have.

The visual acuity test is one of the most recognized components of an eye exam. It involves the use of a chart with lines of letters that get smaller and smaller. Your eye doctor will ask you to read each line of letters with one eye and then the other until you can’t read them anymore. How far you are able to read on the chart is a central part of rating your vision. This information helps your eye doctor decide if you need vision correction lenses. If you do need corrective lenses, your doctor will perform another test to determine your prescription.

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