Chart(Intermediate): ESV1200™ and ESV1500™ - ETDRS 2000 Series - Sloan Letter - (31.5"/80cm)

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These Sloan Letter charts are calibrated to test visual acuity at an intermediate distance of 80 cm (31 in.). The Sloan Letter optotypes are on proportionally spaced lines; line si zes range from 20/400 to 20/10 (6/120 to 6/3) equivalent. Available in 3 different scrambled versions for repetitive testing situations. Notations for letter size, decimal, and LogMAR are also on the chart. This chart can either be wall mounted or used in an ESV1200™, ESV1500™, or a Model A+ illuminated cabinet. Please note these updates to the SKUs: SKU758400 is now 500048-01-8 SKU758500 is now 500048-02-8 SKU758600 is now 500048-03-8 Show more