![[{[item.product.name]}]]([{[item.product.photo.url]}] 125w)
- Categories
-
LEA SYMBOLS® 2,5 % Single Symbol Book 52236
The Symbol :
250625
LEA SYMBOLS® 2,5 % Single Symbol Book
Kolor/Wzór
696.00
| 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 LEA SYMBOLS® 2.5% Single Symbol Book Set is a low contrast tool to measure visual acuity in low-light environments. The testing procedure is identical to measuring visual acuity at high contrast. The 2.5% test is the most practical low contrast test for clinical use. Single optotype line sizes from 20/200 to 20/8 (6/60 to 6/2.4) equivalent. This book also provides decimal and logMAR scales for each line size. Includes isolating mask, response key, instructions, and 13 offset pages for easy flipping.
Dimensions: 5" x 5" (12.7 cm x 12.7 cm).
Test distance: 10 feet/3 meters.
Przykładowe przeprowadzenie badania : https://www.good-lite.com/instructions/250600.cfm
Instrukcja użytkowania
Przelicznik skali Decimal/Snellen
There is currently no comments or ratings for this product.
Professional e-commerce software
