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LEA NUMBERS® 15-LINE DISTANCE CHARTS
The Symbol :
271100
LEA NUMBERS® 15-LINE DISTANCE CHARTS
Kolor/Wzór
379.00
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Zamówienie telefoniczne: 22 651 82 85
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This test is designed for vision screening at schools and assessing vision in children with special needs beginning with 5 years of age. Features proportionally spaced (logMAR); line sizes range from 10/100 to 10/4 (3/30 to 3/1.2) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. Has a hole for hanging on the wall.
Dimensions: 18" x 20" (45.7 cm x 50.8 cm). Folds to 18" x 10" (45.7 cm x 25.4 cm).
Testing distance: 10 feet/3 meters.
Instrukcja użytkowania.
Przelicznik skali Decimal/Snellen
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