herman snellen eye chart with letters white 40 x 50 photo rag

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Herman Snellen Eye Chart With Letters White 40 X 50 Photo Rag

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6 what 20/20 vision in an eye test means. Place chart 10 feet away.

On a snellen eye chart, row's letters of a given size have the corresponding distance number next to them. Print the test page in a4 standard format. Place yourself 2.8 meters (or 9 feet) away from the chart.