Insta-Line Quantum LED: Sloan Letter "Insta-Line" Chart - (10ft/3m)

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A Sloan Letter Insta-Line chart with linear-spaced optotypes in the following size equivalents: 20/60, 20/50, 20/40, 20/32, 20/25, 20/20, 20/16, and 20/12.5. Features 2 lines of ea ch size with 5 optotypes on each line. This test set is included with 915000 Complete LED Insta-Line Quantum™. Dimensions: 9" x 14" (22.9 cm x 35.6 cm). The chart can be purchased by itself or with an RCD overlay. Show more