herman snellen eye chart with letters white 36 x 45 photo rag

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Herman Snellen Eye Chart With Letters White 36 X 45 Photo Rag

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The snellen chart (the letters in decreasing sizes) should be printed out on a4 and then placed 3 meters away from you. Snellen eyesight chart (3m a4).

However, in some cases, both eyes are tested together. Place chart 10 feet away. Can cover the eye with a sheet of paper.