Chart(Distance): ESV1018™ - Sloan Letter Reversed (20ft/6m)

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A Reversed Sloan Letter optotypes chart with proportionally spaced (logMAR) lines; line sizes range from 20/100 to 20/16 (6/30 to 6/4.8). This chart can be used in an illuminated E SV1018™ cabinet or hung on the wall. Features 20 ft and 6 meter notations. Dimensions: 10" x 18" (25.4 cm x 45.7 cm). Testing distance: 20 feet/6 meters. Show more