Chart(Distance): ESV3000™ and ESC2000™ - ETDRS - Sloan Letter Low Contrast
$88.50
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ETDRS low contrast Sloan Letter vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 13/131 to 13/6.5 (4/40 to 4/2) equivalent.The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 5 contrast levels: 1.25%, 2.5%, 5%, 10% and 25%. Note: These charts can only be used with our ESV3000™ or ESC2000™ illuminated ETDRS cabinets. Additional Resources Click here for the 500020 Answer Key. Click here for the 500021 Answer Key. Click here for the 500022 Answer Key. Click here for the ETDRS Guide.
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$82.95
$86.27
(+$3.32)
$86.27
$88.50
(+$2.23)