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LEA NUMBERS® Chart for Vision Rehabilitation 1 m 52030
The Symbol :
272100
LEA NUMBERS® Chart for Vision Rehabilitation , składana
Kolor/Wzór
448.00
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Zamówienie telefoniczne: 22 651 82 85
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This test is designed for testing children and adults with visual impairment at a distance of one meter. The LEA NUMBERS® in this assessment tool include the largest numbers, 50M in size, corresponding to 1m/50M = to 1/50 or decimal visual acuity 0.02, equivalent values 20/1000, 6/300. The smallest numbers are 1M in size corresponding to 1m/1M = to 1/1 or decimal visual acuity 1.00, equivalent values 20/20, 6/6. Designed courtesy of August Colenbrander, MD.
Dimensions: 16" x 21.5" (40.7 cm x 54.6 cm). Folds to 16" x 10.75" (40.7 cm x 27.3 cm).
Testing distance: 40"/1 meter.
Click here for the 272100 Guide.
Click here for the 272100 Answer Key.
LEA SYMBOLS®: The Gold Standard
Instrukcja użytkowania
Przelicznik skali Decimal/Snellen
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