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LEA NUMBERS® SINGLE NUMBER BOOK
The Symbol :
274000
LEA NUMBERS® SINGLE NUMBER BOOK
Kolor/Wzór
349.00
| Delivery time to | 20 days |
| Shipping price | The Lack Of |
| The Availability Of |
na zamówienie
|
| Pełna oferta tablic | |
| The bar code | |
| EAN | |
Zamówienie telefoniczne: 22 651 82 85
The Single Number Book is ideal for situations in which the child/adult cannot perform when tested with a line test. This book can help determine the best resolution of the visual pathway in a child/adult with amblyopia or impaired vision. Single optotype line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Includes an isolating mask, instructions, and 13 offset pages for easy flipping.
Dimensions: 5" x 5" (12.7 cm x 12.7 cm).
Testing distance: 10 feet/3 meters.
Instrukcja
Przelicznik skali Decimal/Snellen
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