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LEA SYMBOLS® cards 40 m / 60 m 52117
The Symbol :
256100
LEA SYMBOLS® cards 40 m / 60 m
294.68
| The quantity in the package | 1 opak |
| Shipping within | 48 hours |
| Shipping price | 0 |
| The Availability Of |
dostępny
|
| The Weight Of The | 0.15 kg |
| The bar code | |
| EAN |
Zamówienie telefoniczne: 22 651 82 85
Cards can be used for presentations as individual optotypes, or for laying in a row. When the cards are in a row, the space between the optotypes is equal to the width of the optotypes. Made of washable plastic.
To establish visual acuity, use the following formula: VA=Viewing Distance Used (meters)/M-wartość
5 cards each, can be used as individual symbols or placed in a row,
Size 60 m Cards: approx. 21.9 cm x 21.9 cm,
Size 40 m Cards: approx. 15.25 cm x 15.25 cm,
Good-Lite: 256100
Przelicznik skali Decimal/Snellen.
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