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LEA SYMBOLS® card (40 cm) 52016
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The Symbol :
250800
LEA SYMBOLS® card (40 cm)
Kolor/Wzór
209.00
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Zamówienie telefoniczne: 22 651 82 85
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This test assesses the functional vision of a child at near distances and can also be used to familiarize a child with the testing procedure before introducing a distance test.
Features proportionally spaced (logMAR) lines on one side and more tightly-spaced symbols on the opposite side. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00. A response key is printed on both sides of the chart. Flashcards and instructions are included.
Dimensions: 8" x 10" (20.3 cm x 25.4 cm).
Testing distance: 16"/40 cm.
Click here for the 250800 Guide.
Click here for the 250800 Answer Key.
Przykładowe przeprowadzenie badania : https://www.good-lite.com/instructions/250800.cfm
Instrukcja użytkowania
Klucz odpowiedziPrzelicznik skali Decimal/Snellen
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