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LEA SYMBOLS® NEAR VISION SCREENER ,40 cm 52050
The Symbol :
252000
LEA SYMBOLS® NEAR VISION SCREENER
Kolor/Wzór
209.00
| The quantity in the package | 1 opak |
| 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
This double-sided standardized vision test is designed for amblyopia screening and testing children who have difficulties when tested with the standard near vision card (#250800). The background is gray with the exception of a white rectangle spaced at 100% surrounding each line of symbols. Line sizes range from 20/400 to 20/16 (6/120 to 6/4.8) equivalent, 0.05 to 1.25. A response key is printed on the test card.
Flashcards and instructions are included.
Dimensions: 8" x 10" (20.3 cm x 25.4 cm).
Testing distance: 16"/40 cm.
Instrukcja
Klucz odpowiedzi
Przelicznik skali Decimal/Snellen
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