Low Contrast, Pediatric Opthalmology
SKU : 270400
LEA NUMBERS Low Contrast Test 10M
SKU : 270400
Now it is easy to measure, record and detect changes in the transfer of visual information when the change only affects visual acuity at low Contrast levels. Chart presents numbers at the following Contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%. Pages are offset for easy flipping. Each chart includes recording forms and instructions. 6 pages, 3.25″ x 9″ (8.25 cm x 22.9 cm).
Part No :
270400 – Standard Order
270500 – Mixed Order
Now it is easy to measure, record and detect changes in the transfer of visual information when the change only affects visual acuity at low Contrast levels. Chart presents numbers at the following Contrast levels: black, 25%, 10%, 5%, 2.5%, and 1.25%. Pages are offset for easy flipping. Each chart includes recording forms and instructions. 6 pages, 3.25″ x 9″ (8.25 cm x 22.9 cm).
Part No :
270400 – Standard Order
270500 – Mixed Order
| Brands | Good Lite |
|---|
| Contrast levels: | black, 25%, 10%, 5%, 2.5%, and 1.25% |
| Each chart size | 3.25″ x 9″ (8.25 cm x 22.9 cm) |
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Low Contrast, Pediatric Opthalmology
LEA SYMBOLS Low Contrast Test 10M
Test for quick measurement of low Contrast visual acuity at 25%, 10%, 5%, 2.5%, and 1.25% Contrast by measuring the distance where the symbols are seen. 10M symbols correspond to visual acuity 0.10 at 1 m, 0.05 at 0.5 m and 0.3 at 3 m. VA values are thus easy to calculate. Test includes a table for conversion to Snellen equivalent VA values, a response keys and instructions. 6 pages, 3.25″ x 9″ (8.25 cm x 22.9 cm).
SKU: 251100 -
