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ETDRS 2000 Series Chart 2

Varenr:500017
754,-
-+
Bestillingsvare20dager
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Beskrivelse
ETDRS 2000 Series Chart 2 for 13 Feet/4 Meters Sku(s): 500017 Description: 2000 Series ETDRS sloan letter vision chart 2 with proportionally spaced (geometric progression) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. Revised version of the original ETDRS series with each line being equally difficult. Chart measures 24.5" x 25.5" (62 cm x 65 cm). 13 feet, 4 meter testing distance. Name: ETDRS 2000 Series Chart 3 Sku(s): 500012 Description: 2000 Series ETDRS Sloan Letter vision chart 3 with proportionally spaced (geometric progres-sion) lines; line sizes range from 20/200 to 20/10 (6/60 to 6/3) equivalent. Revised version of the original ETDRS series with each line being equally difficult. Chart measures 24.5 in x 25.5 in (62 cm x 65 cm). 10 feet, 3 meter testing distance.
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2249