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ETDRS LOW CONTRAST LETTER CHARTS
Код товара :
500023
ETDRS LOW CONTRAST LETTER CHARTS
Kolor/Wzór
466.00
| Время реализации заказа | 20 дней |
| Цена доставки | Отсутствует |
| Наличие на складе |
na zamówienie
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| Pełna oferta tablic | |
| Штрих код | |
| EAN | |
Zamówienie telefoniczne: 22 651 82 85
ETDRS low contrast Sloan Letter vision charts with proportionally spaced (geometric progression) lines. Features translucent low contrast letters with line sizes ranging from 13/131 to 13/6.5 (4/40 to 4/2) equivalent.The other equivalents featured on these charts are letter size, 20 foot, 6 meter, decimal, and LogMAR. Available in 5 contrast levels: 1.25%, 2.5%, 5%, 10% and 25%.
Dimensions: Height 24.5" x Width 25.5" (62 cm x 65 cm).
Testing distance: 13 feet/4 meters.
Note: These charts can only be used with our ESV3000 or ESC2000 illuminated ETDRS cabinets.
Click here for the 500020 Answer Key.
Karty odpowiedzi.
Przelicznik skali Decimal/Snellen
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