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| Company | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® | Precision Vision® |
| Item | Colenbrander Reading, Intermediate and Computer Chart (2 card set) | Low Contrast and Mixed Contrast Eye Charts | Mars Letter Contrast Sensitivity Test | Multi-Contrast Sloan Letter Flip Book | SLOAN Low Contrast Letter Set Book |
| Price | Inquire | Inquire | Inquire | Inquire | Inquire |
| Description | 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 | Uses - Establishing baseline contrast sensitivity prior to and after an intervention(such as cataract extraction, LASIK, or other refractive surgery)
- Identifying functional losses in low contrast perception (often associated with
| This flip book is the smaller version of the Cat. No. 2125. Cat. No. 2180 includes three levels of contrast sensitivity; Acuity, 2.5% and 1.25%. This contrast flip book is great for the use in clinical trials and research studies. It is printed on | 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 |
| Features | - 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 | - Three charts, for the left eye, right eye and binocular testing, or for repeated testing without letter sequence memorization
- Rapid administration, with easy, accurate scoring
- Easy to store and protect
- Easy to illuminate (e.g., with instrument stand lamp)
- Each chart mounted on durable plastic
- Designed for near testing (40 or 50 cm)
- Low cost
| - 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.
| - 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
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| Product Number | 4070 | Inquire | 5015 | 2180 | 2125 |
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