Wormington Test Card

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The Wormington Test Card is scientifically designed using the Bailey-Lovie format. It uses Sloane letters and is a geometric or logarithmic progression of sizes. The lines change size in 0.1 log-unit steps so the line above a given line is 1.26 times larger than the line below. What this means is that this card can be used at any distance using M notation. The letters are roughly equal in legibility. The rows are marked in M notation and in 20 ft equivalent acuities. There is a number chart for use with very young children or illiterates as well as a reading chart for assessment of reading ability. The font used is Times New Roman, which is a typical font used in newspapers and books.

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Wormington Test Card

Wormington Test Card

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