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What Does A Snellen Chart Measure

What Does A Snellen Chart Measure - During an eye exam, patients. The snellen eye chart is the most common method used by eye doctors to measure visual acuity, which is how clearly a person can see. The snellen eye test chart is the most common way providers test your vision during an eye exam. At this distance, the symbols on the line representing normal acuity subtend an angle of five. If you don’t wear glasses or contacts, your eye doctor will use the results to find out whether you need them. In the most familiar acuity test, a snellen chart is placed at a standard distance: The results are used to determine. The test measures how well a. The snellen test consists of a chart with letters arranged in rows, each row having progressively smaller letters as you move down the chart. The chart measures your visual acuity, or sharpness of vision.

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