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| Company | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® |
| Item | SLOAN Low Contrast Letter Set Book | Colenbrander Reading, Intermediate and Computer Chart (2 card set) | Low Contrast and Mixed Contrast Eye Charts | SLOAN Low Contrast Flip Book | Tumbling "E" Low Contrast Flip Book |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Description | This contrast sensitivity flip book includes a series of seven contrast levels for accurate and precise vision testing. This levels decrease throughout the test beginning with acuity, 25%, 10%, 5%, 2.5%, 1.25% and ending with .06%. The use of several | Designed by: Dr. August Colenbrander Conventional, high-contrast letter chart acuity captures only one aspect of visual performance. Low contrast acuity is equally important for activities of daily living, since most everyday objects have less than | Precision Vision offers a variety of Low Contrast and Mixed Contrast Eye Charts for testing Contrast Sensitivity. Notations for testing at Near Vision, 1 meter, 2 meters, 2.5 meters, 3 meters, 4 meters and Multi-distance. Products range from Flip | Contrast sensitivity vision test includes a legend card for easier recordings. Also, eye test features five levels of contrast for more precise diagnosis of contrast vision. Chart also uses Sloan optotypes that are highly reliable and repeatable. | This flip book is great for vision studies and research world wide. The Tumbling "E" vision chart uses only one optotype for testing. Patients not familiar with the Roman alphabet simply have to gesture or sign which direction they see the "E" facing |
| Features | - Notations for testing at 1 meter (40 in.)
- Acuity range 20M to 1.6M (20/200, 6/120 to 20/32, 6/9.5 equiv.)
- Contrast varies by page: full contrast, 25% , 10%, 5%, 2.5%, 1.25%, and .06%
- Spiral bound
- Test includes a soft-tipped pointer, 1 mater cord, recording forms (CAT. NO. 2514) and instructions
- Measures 36 X 36cm (14.25 X 14.25 in.)
- Traditional Sloan Optotypes
- Uses different optotype combinations for each level to prevent undesired memorization
| - Calibrated for 40 cm (16 in), 63 cm (25 in), 100 cm (40 in)
- Measures 8.5" x 11"
- Includes complete instructions and recording sheet
- Uses 10% calibrated Contrast Sensitivity level with Acuity
| Inquire | - Multi-distance testing
- Contains five pages of optotypes of 9.5M size
- 5 Sloan letters Contrast varies by page: 25%, 10%, 5%, 2.5%, and 1.2%
- Two versions available for repetitive testing (version 2 CAT. NO. 2192)
- Test includes a soft-tipped pointer, legend card, recording forms (CAT. NO. 2514) and test instructions
- Measures 23 X 8.25 cm (9 X 3.25 in.)
| - For testing at 2 meters (6.5 ft.)
- Each page it's own contrast level at 100%, 2.5% and 1.25%
- Acuity range 20M to 1.6M
- Includes test instructions, recording forms (Cat. No. 2514) and soft-tipped pointer
- Measures 13.5 X 14 in.
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| Product Number | 2125 | 4070 | Inquire | 2191 | 2380 |
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