• LEA NUMBERS® Low Contrast Test, 10M 52075

The Symbol : 270400

LEA NUMBERS® Low Contrast Test, 10M

489.00
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The Weight Of The 0.25 kg

Zamówienie telefoniczne: 22 651 82 85

Now it's easy to measure, record and detect changes in the transfer of visual information when the change only affects visual acuity at low contrast levels. Chart presents numbers at the following contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%. Pages are offset for easy flipping. Each chart includes recording forms and instructions. 6 pages, 3.25" x 9" (8.25 cm x 22.9 cm).

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Przykładowe przeprowadzenie badania :   https://www.good-lite.com/instructions/270500.cfm 


PDF DocumentInstrukcja użytkowania 

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